5.4 Release Notes

5.4.8.7

Improvement: Updated Howden logos for Chart Industries
Improvement: Added link to EULA to Help menu
Bug fix: Disabled Fan Manufacturers Info button on Recommend Fan
Bug fix: For saving Waterways after undo

5.4.8.6

Improvement: Improved information about Production in Summary
Improvement: Added new Waterway Heat properties
Improvement: Allowed negative fixed flows in pressures in Dynamic Event form
Improvement: Allowed user to adjust the minimum allowable temperature in a Heat Simulation
Improvement: Added a feature to allow increased water flow along the length of a waterway
Improvement: Added an option to ignore a portion of the latent heat component of waterway heat transfer
Bug fix: fix for correcting waterway directions
Bug fix: made default cursor show on startup
Bug fix: fix for some settings not loading from the default file
Bug fix: fixed warnings for strict mode, so they show consistently
Bug fix: made Blast Sim connections go away after simulation’
Bug fix: Fan lookup tool, made AMF fans get the correct discharge diameter
Bug fix: Fixed radon properties unit display
Bug fix: Made Heaters maintain incoming moisture content (except for any moisture from fuel combustion)
Bug fix: Old Edit Box, made layer edits apply to duct leakages

5.4.8.5

Improvement: Made Waterways source default to highest elevation
Improvement: Added a “Custom” line on the Tunnel Presets
Improvement: Added an option for Electric Heaters
Improvement: Made Track form remember Show Staged Only setting
Improvement: UI improvements to Set Stage to Date Mined tool
Improvement: Improved the error message for un-converged Heat Simulation
Improvement: Added info on tonnes per month for Advance Rate
Improvement: Added option to specify Advance Rate as Development or Stoping
Bug fix: Fixed crash on Track editor when no staged tracks
Bug fix: Disabled some key shortcuts in View Only mode
Bug fix: Fixed Waterway building issues
Bug fix: Improved some Radon units
Bug fix: Made Safety property show on license activation
Bug fix: Made Heat Status carry over on Heater and Cooler duplicate and move
Bug fix: Fixed Auto-Regulator properties for display in Spreadsheet tool
Bug fix: Fixed number format issues in the default files load
Bug fix: Fixed redraw of tracks on stage change in big models
Bug fix: Fixed display of Fan Speed property for new fans
Bug fix: Ensured constant temperature conveyor is properly applied

5.4.8.4

Improvement: Improved the static scripting input to only require the columns that are being changed
Improvement: Automatically fix any negative inputs to dimensions
Improvement: Added Fan Total Pressure to dynamic monitor properties
Bug fix: Allow inputting custom values into the Shock X header row instead of the Custom drop down row

5.4.8.3

Feature: added option on Display Manager to colour-block airways
Feature: Added function to distribute VRT along airways
Improvement: Added Explosive Type and Amount as output properties
Improvement: Added customisable Dynamic Air Simulation Max Iterations and Allowable Air Error
Improvement: Made Graph Smoothing and Smoothing Factor model settings, rather than user settings
Improvement: Altered Export All Monitors tool format, so to avoid too many columns for models with many monitors
Improvement: Made all properties appear in the Favourites Editor dropdowns
Improvement: Added Cooler Monthly Cost and Energy Consumption as output properties
Bug fix: Fixed Annual Flywheel Cooler cost record
Bug fix: Fixed slow Delete of multiple airways
Bug fix: Made Edit button on Find & Select work when Edit Box not visible
Bug fix: Fixed incorrect Imperial unit for linear gas emission
Bug fix: Made Regulator opening apply on Edit Box when adding new regulator
Bug fix: Fixed Duct Calculator relation between leakage resistance and porosity
Bug fix: Made dynamic monitor logging period start at t = 0

5.4.8.2

Feature: Added dynamic DPM average and maximum to dynamic Diesel Simulation
Feature: Added option for isentropic compressions or Boyles law to Caving Air Blast Simulation
Bug fix: Made edit of Heater Temperature set Heat Status active
Bug fix: Fixed bug with multiple airway edit of Airway Notes
Bug fix: Stopped text edit mouse leave validating Edit box

5.4.8.1

Improvement: Let Ventsim DESIGN load Ventsim Tunnelling .vsmt files
Bug fix: Fix for fixed temperature interaction with cooler
Bug fix: Fixed unit conversions on airway utilities tools
Bug fix: Fixed setting interface for Restore Original Condition Setting

5.4.8.0

Improvement: Added bookmarks to manual
Improvement: Added reference origin file name to reference edit form
Improvement: Added fixed temperature cooling and heating to the annual flywheel graph
Improvement: Added option to use file name in naming reference layers, rather than the layer name
Bug fix: Fixed autoregulator calculation for automatic fitting shock loss option
Bug fix: Made cooler at minimum temperature or maximum capacity give correct cost in annual flywheel graph

5.4.7.9

Improvement: Made reversed airway warning show consistently
Improvement: Made Reference Editor open on Edit Click on selected reference
Improvement: Only show Contaminant Release Period and Delay if not using steady state dynamic behaviour
Bug fix: Fixed mislabelled column name in Friction Presets
Bug fix: Fixed error with addition of airway resistance to Preset resistance
Bug fix: Made Duct Calculator show complete duct length on graph

5.4.7.8

Feature: Added Edit Box option to apply airways to stages based on stage simulation year and airway date mined
Feature: Allow airway to inherit stages from references during Convert Centrelines
Improvement: Stopped clear of airway selection on change of Advanced Find & Select option
Improvement: Added Select All button to Apply to Specific Stages
Improvement: Added a Heat | New Moisture Addition property
Bug fix: Fixed property validation on launch of Apply To Specific Stages
Bug fix: fixed Track form load of units per unit length option

5.4.7.7

Bug fix: Fixed crash on load of dynamic progress window

5.4.7.6

Improvement: added orifice, regulator and auto-regulator changes to dynamic events
Improvement: made Convert To Overpass tool work on already intersected junctions
Improvement: made move, scale and rotate of references work for multiple references
Bug fix: corrected DB temp when cooler as max capacity

5.4.7.5

Improvement: Added new property: Descriptors | Fixed Direction and Descriptors | Reversed Fixed Direction
Improvement: Added new property: Safety | Refuge Bay Name and Safety | Refuge Bay Present
Bug fix: improved tracks graphics, avoided bad interaction with dynamic simulation
Bug fix: fixed crash with dynamic gas events and very large models
Bug fix: Corrected save of Jet Fan Reverse Factor
Bug fix: Fixed unit conversion error on Summary Resistance Curve Graph

5.4.7.4

Improvement: moved Layer properties out of Attributes
Improvement: added a variable vehicle speed to tracks
Improvement: made measuring tool dialog appear in same spot after closing once
Improvement: made Message Box edit form text box larger
Improvement: Duct Calculator: made resistance output to reference density and not changed air density
Improvement: In Stage Manager, made the Move Up/Down buttons more accessible
Improvement: Allow edit of Airway Notes on multiple airways
Improvement: Added an automatic correct for inconsistent surface temperatures
Bug fix: Allow addition of new points to an existing fan in the Fan Display form
Bug fix: Fix missing Heater addition during flywheel simulation
Bug fix: fixed Auto Shock count in Presets form
Bug fix: fixed latent heat source accounting in Heat Summary
Bug fix: made model fan pressure type revert to Total method by default, after changing
Bug fix: fixed save of Track guids during export to single stage model
Bug fix: fixed custom dynamic settings in Fire Simulation menu
Bug fix: made Financial Simulation sum over current stage only
Bug fix: fix for track machine with no Heat Preset
Bug fix: fix for merging Custom Profiles
Bug fix: fix for Direction warning not showing in interaction with the Stage Graph
Bug fix: connected the Don’t Show Again option on the Dynamic Sim Closing Prompt
Bug fix: made PQ survey property display correctly in the Spreadsheet

5.4.7.3

Improvement: Improved Duct Calculator fan import tool, added message for invalid fan curve
Improvement: Heat Calculator, added more info about the Air Heat Calculation
Bug fix: Heat Calculator, made both Air Heat Calculators consistent, working on inlet density
Bug fix: Stopped conveyors and waterways copying during Copy Airway.
Bug fix: Cleared obsolete identifiers for removed airways after Merge Stage
Bug fix: Fixed Backup Settings shortcut
Bug fix: Fixed Print for Heat Presets
Bug fix: Kept tick on Compressible Airflows option up to date
Bug fix: Fixed application of Utilisation Factors for sensible heat sources
Bug fix: fixed Merge Model tool for Fan Identifiers

5.4.7.2

Improvement: Added a user setting to change the default cursor type to Zoom, Edit or Select
Improvement: Added a user setting to permanently hide the Excluded icon
Improvement: Added a Vehicles Present airway property
Improvement: Added a Rock Type Name property
Improvement: Make Ctrl + Shift + A select only visible airways (unlike Ctrl + A, which selects visible, transparent and invisible alike)
Improvement: Turn off layers on when creating airways in them with Convert Centrelines
Improvement: Made properties appear in default advanced message box text in same order as defined in Favourite
Improvement: Added a Minimum Discharge Temperature to the Cooler feature
Bug fix: made Piston Effect and Autoshock work on same airway
Bug fix: fixed Piston Effect Vehicles output for Stage Graph
Bug fix: fixed Ctrl + Select cursor on grouped airways
Bug fix: made jet fans work properly in reverse when changing direction mid-simulation
Bug fix: reconnected F4 shortcut for find airway
Bug fix: fixed wrong waterway/cooler label in Heat Loss summary graph
Bug fix: made Reference Layer list refresh on drag and drop of Surpac (.str) file
Bug fix: fixed unit conversion error on Vehicle Presets

5.4.7.1

Bug fix: Corrected Cooler output temperature when running at maximum capacity

5.4.7.0

Bug fix: Removed unused Fan Database menu options
Bug fix: Fixed Fan Loss report when launching sim from Edit Box

5.4.6.9

Feature: Export current stage only to file
Improvement: Added Autoregulator report to Summary
Improvement: Added Heater and Cooler use to Heat Summary
Improvement: Updated Electric Vehicle tab of Heat Calculator to work with new treatment of EV
Improvement: Allow for larger memory allocations for treating very large reference graphics
Bug fix: Duct Calculator: Corrected report of Duct Length on graph
Bug fix: Made change to Refuge Bay out-of-order recalculate distance to refuge
Bug fix: Corrected unit conversion on jet fans input
Bug fix: Fixed potential for bad elevation calculation on surfaces
Bug fix: Forbade deletion of layer rows in Presets form
Bug fix: Made Display Manager check boxes update on change of Saved View

5.4.6.8

Improvement: Made Convert Floorlines work faster
Improvement: Prevented Fan Curve selection resetting unnecessarily when closing the Fan Display form
Bug fix: Forced clear of custom shock after multiple airway edit to Shock:Nil
Bug fix: Added a catch for bad identification of Message Box associated airway
Bug fix: Allowed entry of conveyor ore mass flows less than 1 kg/s

5.4.6.7

Improvement: DXF export of references, made only export selected elements, if any selected
Bug fix: Allowed Move, Duplicate and Draw mouse cursors to find airways when initiating, regardless of CTRL key
Bug fix: Put in stops to prevent users loading more than 1000 fans curves to their model
Bug fix: fixed failed input of Limiting Wet bulb Temperature setting
Bug fix: Corrected load of new GUIDS by default

5.4.6.6.

Improvement: Added a Heat Error for temperature fixes and heat sources on the same airway
Improvement: Re-added Invert Selection to the Selection menu
Improvement: Added an option to Invert Selection to visible airways only
Improvement: Disabled Fan Auto Shock Underground option if no fan discharge area specified
Bug fix: Fixed Inherit for Explosives, Vehicles and Duct Heat Transfer
Bug fix: Corrected message box link to airway index for message box visibility
Bug fix: Corrected calculation of Fan Power graph x-axis limits
Bug fix: Re-enabled Airway Solid Lock On toggle
Bug fix: Fixed Spanish translation for Vehicles
Bug fix: Allowed curve deletion in the Fan Digitizer
Bug fix: Added catch for bad favourite index selection on Message Box
Bug fix: Fixed Dynamic Sims for tracks when Gas is not simulated
Bug fix: Made Humidity setting report correctly immediately after model load

5.4.6.5

Improvement: Fixes for Autoregulators in NVP and different densities
Bug fix: fix for Utilisation Factor in Heat source addition
Bug fix: re-applied possibility for different airway name and data text sizes
Bug fix: fixed Apply Gradient application on single airways
Bug fix: made a catch for inconsistent Jet Fan configs

5.4.6.4

Improvement: Allowed application of gradient over multiple continuous airways
Improvement: Improved speed of Clear Rollback on big models
Improvement: Added a warning for when very large fixed lengths are used
Improvement: Added a black cross icon to represent excluded airways
Improvement: Updated Duct Calculator default fan database
Improvement: Improved reliability of Autoregulator resistance type
Bug fix: fix for entering negative gradient in Edit form
Bug fix: fixed bug with hang of autosim with error list update
Bug fix: fix for using piston effect on tracks with no vehicles specified
Bug fix: fix for reversible resistance
Bug fix: Fix for Shape types imported from Deswik

5.4.6.3

Improvement: added option to include multiple airways in the Stage Graph
Improvement: added info to Fan Identifier about various jet fan statuses
Improvement: added custom jet fan installation factor per airway
Improvement: made the Cooler with set Discharge Temperature stop at maximum capacity
Improvement: added more Explosive contaminant options
Improvement: added Attributes | Fan Identifier property
Improvement: added links to Fan Help web page
Bug fix: fixed different launch options for Fan Stall predictor
Bug fix: for very vertical duct build, fixed switching offset problem
Bug fix: fixed problem clearing old flow requirements and utilisations when changing diesel sources
Bug fix: disabled Fan Display manufacturer button when no info available

5.4.6.2

Improvement: Added new Message Box Averaging Options
Improvement: Made Fan ID’s list by availability in the Edit form
Improvement: Added new properties: Strata Heat, Broken Rock Heat, Cooling Power Surplus
Improvement: Added new property Diesel | Power Capacity
Bug fix: Properly handled 100% opening resistance on Autoregulators
Bug fix: Fixed selection of Saved Views > Default Views
Bug fix: Made click Clip Level work for no levels specified
Bug fix: Fixed incorrect saving of Use Jet Fan option in old Edit form
Bug fix: Fixed problem with Diesel Simulation and Flow Requirement calculation on Activity tracks
Bug fix: Added Fixed Power power usage to Summary form
Bug fix: fixed some Spanish translations

5.4.6.1

Improvement: Made orientation arrows appear by default
Improvement: Added buttons to reorder Activity Track list
Improvement: Added an error and warning count to the title of the error form
Improvement: Added more units to the friction factor on the Duct Calculator
Improvement: Added Attributes| Rock Age to Advanced Find & Select
Improvement: Made a click with zoom cursor on Message Box zoom to and highlight associated airways
Bug fix: Make data transparency respect global transparency toggle
Bug fix: Fixed average WBGT property
Bug fix: Made WB/DB property work properly as a string property

5.4.6.0

Bug fix: fixed file load of Activity Track starting point

5.4.5.9

Improvement: made Model Explorer refresh with change of Stage
Improvement: added extra information to the Auto-Regulator warning for flow not achieved
Improvement: updated translations
Bug fix: stopped surface and escape route calculations from spinning
Bug fix: made moisture units consistent
Bug fix: made Draw Coordinates respect the Reference Lock
Bug fix: fixed reference selection when opening reference edit

5.4.5.8

Improvement: Added pressure properties to path graph
Improvement: Added a temporary insufficient airflow warning to non-flow-weighted tracks for Clean Air Simulation
Improvement: Added Sim Gas and Sim Diesel options when changing Stages
Improvement: Showed and allowed edit of screen portion on Message Box edit when Screen Location fixed
Improvement: Added warning when Axial Fan used as a Jet Fan has no area specified
Bug fix: fired automatic simulations when changing Stage via Saved Views
Bug fix: directed Autoregulator Preset button click to correct form
Bug fix: added catch for H2O vapour when looking up Gas Presets when not using Dry Air Balance
Bug fix: reconnected ‘U’ shortcut for Stage Lock/Unlock

5.4.5.7

Feature: Clean Air Surplus calculation included in Diesel Simulation
Improvement: Added warning when adding Diesel Contaminant through both Heat and Vehicle Presets
Improvement: Included Cooler Capacity in Heat |Refrigeration and Heat Input properties
Bug fix: Fixed selection issues post use of Apply To Specific Stages, and disabled option when no changes to apply
Bug fix: Fixed unit conversions on resistance per length properties
Bug fix: Fixed On/Off switch for Heaters and Coolers
Bug fix: Fixed crash on Go To Airway when no fan selected on Parallel Fan Stall Predictor
Bug fix: Stopped Howden Fan tool saving fans with too many points
Bug fix: Forced recalculation of Custom Shapes after pasting airways into model
Bug fix: Made Fan ID tool properly handle fans with multiple curves

5.4.5.6

Improvement: Added option to save Annual Flywheel data
Improvement: Made Show All option on Advanced Message Boxes work for different co-located airways across stages
Bug fix: fixed Delete Fan option on Fan database form
Bug fix: fixed Fan Identifier airway deletion interaction
Bug fix: fixed missing traffic data for final hour in Tracks time input
Bug fix: corrected limit on grid segments
Bug fix: fixed crash for empty Activity Tracks in Dynamic Simulation
Bug fix: added clean-up of old unused fixed temperatures when using Heater or Cooler option
Bug fix: added update for custom profile shape index needed after profile deletion
Bug fix: old Edit box, fixed orifice save over multiple airways
Bug fix: made Stage properties copy with new stage and follow stage order changes

5.4.5.5

Feature: Holding down Alt key will lock model rotation to the vertical axis
Feature: Allowed specification of Activity Track start by location
Improvement: Added Undo/Redo to the Fan Identifier Tool
Improvement: Added Closed End to the Find/Select
Improvement: Redid Fan Pressure properties (FTP and FSP)
Improvement: No longer showing unstaged stations in the Ventlog comparison tool
Improvement: Made Goal Seek show percentage adjustment only when needed for multiple airways
Improvement: Made custom Fan and Heat icons go grey when switched off
Improvement: Added NO2 mass flow property
Bug fix: Corrected bad units on Stage Graph, as well as fixed display of some properties
Bug fix: Corrected some incorrect headings in the Heat Summary form
Bug fix: Fixed faulty graph draw in the Fan Stall Interaction Calculator
Bug fix: Made Clip Level work regardless of the ALL level
Bug fix: Stopped crash in Activity Track-Edit Form interaction
Bug fix: Fixed crash with time units option on Tracks
Bug fix: fixed problem with combined NVP, surface connection and piston effect
Bug fix: Corrected NO2 gas input from Vehicle presets.
Bug fix: Re-enabled Fan Digitizer warning for No Region

5.4.5.4

Improvement: improved convergence for models with many auto-regulators
Improvement: added Fan Speed to Fan Status ID tool
Improvement: changed Fan Configuration On property to a text output
Bug fix: Fixed stage lock handling and reassigning of Fan Status IDs
Bug fix: Stopped Data Boxes becoming visible on change of Fan Model
Bug fix: Made Stage Graph account for negative velocities
Bug fix: Corrected grid text righthand side alignment
Bug fix: Made fan duplication include Notes and Fan Image

5.4.5.3

Feature: Fan Status ID tool for managing fans
Feature: Activity Track option to set unit numbers by time of day
Improvement: Made Heaters and Coolers follow the Heat Status
Improvement: Improved usability of Databox visibility tool
Improvement: Added a tool to switch between Auto-regulators and Fixed Flows
Improvement: Added a button to the Path Analyser dialog to highlight the path in the 3D viewer
Bug fix: Fixed error in Duct Calculator Two Duct option
Bug fix: fixed connections to upper void in Caving Blast Simulation
Bug fix: fix for Message Box stage selection during stage adding
Bug fix: fixed Path Analyser for models with high node counts
Bug fix: Made Edit Box show correct values for Heat Preset with Utilisation Factor

5.4.5.2

Improvement: New feature to Select or Highlight airways that are unique to current stage
Bug Fix: Fix for message boxes and references changing to belonging to all stages on loading

5.4.5.1

Improvement: Reference rotate in X, Y and Z
Improvement: Added a note on Track form when current track is not contiguous
Improvement: Made Jet Fan icon pink when blowing against the flow
Improvement: Added “Fans On”, “Fan Number” and “Fan Configuration On” properties
Improvement: Added a Traffic Scale Factor to Stage Manager
Improvement: Added save of column sorting to the Spreadsheet Save View
Improvement: Added graphics lighting customisation options to the settings
Improvement: Made Heaters and Coolers follow the Heat On/Off button on the Heat tab of the Edit Box
Bug fix: Fixed incorrect colours on rotated airways
Bug fix: Fixed reference to tracks in message box
Bug fix: Fixed units when gas mass flow property is used in Favourites
Bug fix: Disabled sorting in Custom Profiles which was causing problems
Bug fix: Fixed stage bug on Message Boxes when creating Shared Copy
Bug fix: Made Stage Lock recognize parallel airways, airways names and notes and custom gas settings
Bug fix: Corrected excessive rounding in display of gas concentrations on Edit Box
Bug fix: Corrected autoregulator behaviour in compressible flow and removed warning on excluded airways
Bug fix: Stopped off fans adding heat during Heat Simulation
Bug fix: Reordering of Favourites retains current Favourites settings on airways and message boxes

5.4.5.0

Improvement: Added CO and NOx mass flow rates (g/s)
Improvement: Allowed the saving of images in the Airway Notes tab of the Edit Box
Bug fix: Fix for crash associated with new favourites visibility
Bug fix: Updated LiveView query time out
Bug fix: Fixed crash in Interpolate Points function in the Fan Database

5.4.4.9

Improvement: Added a Cooler Maximum Capacity parameter
Improvement: Added a visibility control for Databoxes and Messages for specific Favourites
Improvement: Made Edit box stage control meaningful when Stage Lock is on
Bug fix: Made coordinates show properly in the Spreadsheet tool
Bug fix: Fixed incorrect reset in Heat Simulation for zero temperatures
Bug fix: Fixed loading and saving problems for Turkish language

5.4.4.8

Improvement: Made Annual Flywheel graph follow the airway data position
Improvement: Added option to specify the height of the falling rock in Caving Blast Simulation
Bug fix: Fixed copy and select shortcuts in SpreadSheet tool
Bug fix: Made Block tool properly clear PQ resistance type
Bug fix: Corrected reverse flow through off fans behaviour in Dynamic Simulation
Bug fix: Disabled unstable natural ventilation pressures in zero length airways in Dynamic Simulation
Bug fix: Made tracks with arrows correctly follow airway visibility
Bug fix: Made Advanced Find and Select work for VentFire Events

5.4.4.7

Feature: Water suspension: Added option to carry condensate in vertical airways and include fog density in density calculation
Improvement: Added support for special characters in DXF export
Improvement: Added save of Gas Density to model
Bug fix: Fixed reversing fan problem in Fire Events
Bug fix: Added Copy and Select shortcuts to Spreadsheet

5.4.4.6

Feature: Added an Auto-Regulator resistance option
Improvement: Made message about Convert Centreline layer inheritance only appear once
Bug fix: Fixed bug in No Stages Set option in Stage Popup
Bug fix: Disallowed Activity Tracks with identical names
Bug fix: Fixed handling of Ctrl-key in Spreadsheet
Bug fix: Fixed Fan Stall Predictor Graph drawing failure

5.4.4.5

Feature: Added a Refuge Bay Out of Order property
Feature: Added Electric Vehicle Power input option, along with settings
Improvement: Added Traffic data types to sensors
Improvement: Added CO and NOx emissions per distance travelled to Vehicle Presets
Improvement: Activity Tracks, made option to add traffic by vehicles per hour
Improvement: Improved Activity Track ribbon and arrow graphics
Improvement: Added option to set Ventlog date ranges per stage on the Stage Manager
Improvement: Made Warn On Direction Change setting switch to True if Fix Direction option is selected
Improvement: Updated links to Webinars
Bug fix: Made Caving Blast connection airways graphically point in right direction during simulation
Bug fix: Fixed Reynolds number calculation for parallel airway, affecting strata heat
Bug fix: Fixed data export to clipboard from dynamic graph
Bug fix: Duct Calculator, made an extra check for crash with new max and min leakage resistances on change of duct
Bug fix: Corrected report of airway Piston Pressure property
Bug fix: Fix for switching on fan during Dynamic Simulation
Bug fix: Added fix for Ventlog regionalisation bugs
Bug fix: Made airway custom profiles update straightaway when profile is edited in Presets
Bug fix: Fixed broken option for graphing from the Path Analyser dropdown
Bug fix: Corrected recall of Combustion Fuel default Presets
Bug fix: Fixed Use Combined Lengths option in the Filter | Simplify tool

5.4.4.4

Feature: Added an option to auto-create Primary/Secondary Layers from imported DXF reference split-colours
Improvement: Made Convert Centrelines inherit Primary/Secondary Layers from reference graphic
Improvement: Added a shortcut to the Spreadsheet tool from the Activity Track window
Improvement: Added Activity Track heat to Heat| New Heat Input and Heat | Diesel Power properties
Improvement: Added buttons to quickly filter spreadsheet by fan or by resistance
Improvement: Added Unit Settings and Spreadsheet Saved Views to Inherit tool
Improvement: Stopped Spreadsheet Saved Views saving automatically, now requires a click on the save button.
Improvement: Added a field to enter a Refuge Bay name
Bug fix: Made Spreadsheet Saved Views retain all filtering and grouping options
Bug fix: fixed orientation arrows position when using the View | Copy HiRes tool
Bug fix: made Utilisation Factor backwards-compatible to older versions of Ventsim
Bug fix: fix for Stage popup occasionally not saving properly

5.4.4.3

Improvement: Made Clip Level single click expand to entire level and update the data manager
Improvement: Added layer name to layers created with the Split by Colour option
Bug fix: removed report of StageLock results when stage is locked and relocked automatically
Bug fix: fixed Import DXF Split By Colour option work for subsequent imports
Bug fix: stopped airway shape change when using Duct Delete button
Bug fix: corrected Primary Layers merging during File | Merge
Bug fix: stopped changes to airway shape affecting airway size on Edit Box

5.4.4.2

Improvement: Allowed Secondary fans to be considered in series for Recommend Fan
Improvement: Added readonly Z coordinate relative to sea level to Info tab of Edit Box
Improvement: Added Size Adjustment feature to scale an airway size to match the surveyed Ventlog area
Improvement: Better user control of Activity Track starting point and preferred direction at junctions
Bug fix: Fixed maintenance date calculation
Bug fix: Labels on Activity Track form
Bug fix: Fixed bug on path determination on branching Activity Tracks
Bug fix: Fixed Imperial unit conversion error on Fan Installation Resistance form

5.4.4.1

Improvement: Added Size Area comparison for Ventlog
Improvement: Added button to Fire Tab of Edit Box to open Dynamic Graph
Bug fix: Made close of Edit Box also clear airway selection
Bug fix: Fixed problem when loading larges reference graphics through the Inherit tool
Bug fix: Corrected counting of heat sources from Activity Tracks on the Summary form
Bug fix: Stopped perimeter incorrectly updating on change of area on Irregular shape airways
Bug fix: Fixed load of spreadsheet view on the Fire Events Manager
Bug fix: Cleared out empty Presets from the Activity Track form
Bug fix: Automatically turned off Jet Fan option on airways with no fan
Bug fix: Improved behaviour of changes to Gradient field in the Edit Box

5.4.4.0

Improvement: Addition of a Convert To Overpass tool
Improvement: Made Caving Air Blast connections always point away from cave
Bug fix: fixed reference graphic stage selections when deleting stages
Bug fix: made new ducts take default temperatures, not parent temperatures

5.4.3.9

Improvement: Added tool to export all dynamic monitor data
Improvement: Adding a message box or data box, turns on visibility, if off
Improvement: Excluded piston effect pressure from Boost TP property, new property for piston effect
Improvement: Added to group entry feature to Ventlog Add Records from Ventsim
Improvement: Made staged Message Box visible if the airway(s) it is attached to is unstaged
Bug fix: fixed determination of some license maintenance dates
Bug fix: Removed bug where airway at index 0 could not be added to Activity Track
Bug fix: Howden Fan tool, removed unused fan names, changed labels

5.4.3.8

Improvement: Added the Howden Fan Lookup tool
Improvement: Added Tunnel type to Advanced Find & Select
Improvement: Added Airway Profile as a colour property
Improvement: Added some default Spreadsheet configurations
Improvement: Added graph export and camera buttons to the Caving Air Blast Simulation form
Bug fix: Stopped fan guids and Primary/Secondary option changing on cancel of fan database edits
Bug fix: Improved error message when Recommend Fan is attempted on a restricting Fixed Flow
Bug fix: Improved calculation of perimeter on round airways with obstruction or backfill
Bug fix: Catch for possible loading bug with the ShowAll option
Bug fix: Better handling of Recommend Airway Size tool when used on airways with Tunnel Type presets

5.4.3.7

Bug fix: Added fix for graphics lag with large models and large Track airway count

5.4.3.6

Improvement: Made switching Tunnel type apply all tunnel property changes straight away
Improvement: Howden Recommend Fan, now imports the maximum power
Improvement: Made warnings, such as Fan Motor Power Exceeded clear straight away, when resolved
Improvement: Added setting option for Escape Route calculations to be performed using Russian standard calculation
Improvement: Made Dynamic Message Box “Show All” options carry over in detached stage creation
Bug fix: corrected Profile builder copy-paste for all languages
Bug fix: replaced Recommend Size button for Diameter property on Edit Box
Bug fix: fixed possible track simulation failure after continuing Fire Simulation after Escape Route calculation
Bug fix: corrected error in interaction of Undo and new track graphics
Bug fix: added horizontal airway friction and duct losses to Energy Summary, corrected Shock Loss summation
Bug fix: fixed Edit Box Stage selection tool
Bug fix: fixed load of Ventlog compare tool for stations without a mapping to an airway
Bug fix: fixed bug with Stage popup tool that allowed first stage to sometimes be automatically selected

5.4.3.5

Improvement: Added Ventsim humidity comparisons as airway property
Improvement: Allowed user control of airway shape rotation
Improvement: Added total Duct Heat Transfer output to the Construct Duct Form
Bug fix: Fixed slowness when using Build Ramp
Bug fix: Fixed issue with graphing tools in the Duct form
Bug fix: Fixed issue where No Thoroughfare could not be changed after dynamic simulation restore.

5.4.3.4

Improvement: Added toggle for different layouts of the Visibility Manager
Improvement: Added a Remove Selection button to Message Box Editor. Improved stage handling for airways
Improvement: Added option to switch whether Edit Box updates on changed selection
Improvement: Made un-excluding an airway set off the Heat Sim out of date warning
Improvement: Made Light On button on Reference Manager turn on the global Reference Visibility toggle
Improvement: Added option to set an automatic shock loss to fans when installed underground
Improvement: Added a Fan Losses output to the Fan Info Box
Improvement: Added a tool to graph the variation of parameters across stages, on individual airways
Improvement: Made Message Box Inherit option to search for corresponding airways
Bug fix: fixed crash with interaction of Piston Effect and Annual Thermal Flywheel
Bug fix: various fixes for new arrows graphic
Bug fix: fixed power output for low pressure fans with different length pressure and power curves
Bug fix: corrected row spacing on Fan tab of the Edit Box
Bug fix: made Profile Draw Tool update on edit of grid values
Bug fix: fix for history view of Ventlog records where single reading could be split into separate rows

5.4.3.3

Improvement: Added configurable Maximum Icon Size
Improvement: Added a Utilisation Factor to the Heat Moisture Diesel Presets
Improvement: Added Cost output to Coolers, standard and flywheel simulations
Improvement: Made Graphs refresh on Dynamic Simulation Pause, and made Path Graphs old after simulation
Improvement: Added conveyor and waterway heat to path graphs
Improvement: Made Activity Track offsets in the graphics better for models with many Tracks
Improvement: Made a lower upper limit for Heat Simulation Accuracy of 0.1 degrees Celsius
Improvement: Made double-click with Move and Duplicate tools on Message Boxes open the Editor
Improvement: Made the Stage selection dropdown menu wider
Improvement: Added Unique Number and Airway Name to export of Path Graph data
Improvement: Added option to add an orientation axis to bottom right of viewer
Bug fix: Stopped Fix Flow icon deletion wiping the fixed flow value
Bug fix: Fixed out of shape Fan Graph on old Edit Box
Bug fix: Fixed occasional display of incorrect density on airways during Dynamic Simulation
Bug fix: Fixed Fixed Heat Cooling Icon colour
Bug fix: Fix for LiveView import of .csv files
Bug fix: Made Track editor work when switching Stages and switching Show Staged Tracks option

5.4.3.2

Bug fix: fix for some Edit Box fields not saving properly after Heat Preset change

5.4.3.1

Improvement: Stopped flashing airways triggering full graphics update
Improvement: Improved speed of Calculate VRT Tool
Improvement: Added separate Strict Modes, one for Friction Factor and one for Fixed Flows
Improvement: Added Message Boxes to the Inherit function
Improvement: Added a property, Attributes | Parallel Airways
Bug fix: Fixed Equivalent Orifice property
Bug fix: Fixed issue where changing tunnel type dirtied the resistance type, for multiple airways
Bug fix: Fixed UI unit conversion problem in the Edit form
Bug fix: Fixed problem with messages and tracks when merging file of multiple stages

5.4.3.0

Improvement: Updated translations
Improvement: Added a regulator resistance property
Improvement: Improved graphics performance when airways flashing
Bug fix: Fixed Air Simulation error when running MultiSim and incompressible flows

5.4.2.9

Improvement: Made addition of node to conveyor or waterway related airway not break the conveyor/waterway
Improvement: Fixed Edit Box to show roughness when using a Friction Factor Preset with Roughness
Improvement: Made image drag and drop ignore the Reference Lock
Improvement: Made texture appear immediately after Adding from the Data Manager
Improvement: Added Elevation Relative to Sea Level and Surface Datum properties to Descriptors
Improvement: Included conveyors and waterways on Heat Summary graphs
Bug fix: Made Size setting on Message Boxes set relative message box size
Bug fix: Fixed save of Cooler Discharge Temperature setting
Bug fix: Added a constant non-surface base pressure when running Caving Air Blast Simulation
Bug fix: Fixed Convert Floorlines method

5.4.2.8

Improvement: New Stage Control on Track, Message Box and Reference Editors
Improvement: Ventlog mapping now limited to current stage
Improvement: Added links to Ventsim webinars
Improvement: Made copied ducts, waterways and conveyors copy to new groups
Improvement: Made Reference and Texture Move tools ignore the Reference Lock
Improvement: Added an Elevation Above Sea Level Property
Improvement: Improved Matrix solver convergence for extremely low air densities
Bug fix: Fix for track loading in Editor
Bug fix: Added a catch for impossible FOM calculation in Heat Calculator
Bug fix: Fixed Wetness Fraction Preset button on Edit form
Bug fix: Improved Edit Box UI controls of Heaters and Coolers
Bug fix: Force resistance recalculation after change to Obstruction field in Edit form
Bug fix: Fixed Presets form select for Custom Profiles
Bug fix: Corrected reset of Fan Edit control which was sometimes hiding rows
Bug fix: Fixed problem with Save Check when closing Ventsim with Stage Locked

5.4.2.7

Improvement: Added a Cooler feature
Improvement: Added Duct Heat Transfer properties, including to graphs
Improvement: Added some more default Duct Heat Transfer Presets
Improvement: Added maximum CO to Escape Route information
Improvement: Added option to Caving Air Blast Simulation for seals either to fail or to only warn of failure
Improvement: Added buttons to generate graphs on the Construct Duct, Construct Waterway and Construct Conveyor forms
Improvement: Activity Track Editor, improved stage tooltips and made stage automatically activate on addition of airways
Improvement: Added a contaminant mass portion property, showing the percentage of original contaminant mass present in an airway
Improvement: Made airways invisible in Solid Mode (e.g. Duct Leakage) nonetheless selectable when they would otherwise have been visible in WireFrame mode
Bug fix: fix for duct heat transfer not completing on simple models.
Bug fix: corrected shape saving on Construct Duct for custom shapes using Area-Perimeter
Bug fix: fixed problem where icon movement was being incorrectly prohibited
Bug fix: fix for LiveView sensor reading when no sensor type has been allocated
Bug fix: Correction to coordinate edit in Edit Box for multiple airways
Bug fix: Forced Air Simulation before use of Recommend Regulator and Orifice

5.4.2.6

Improvement: Added minimum velocity option to Tunnel Type Preset
Improvement: Greatly improved the speed of Convert Centrelines in large models
Improvement: Added option to select different Profile shapes in the Duct Builder
Improvement: More UI output for Caving Air Blast Simulation
Bug fix: Fixed error that occurred when Caving Air Blast was run with only one connection.
Bug fix: Fixed bug where some dynamic data saved with file could be lost
Bug fix: Fixed error where Duct Leakage could be lost with Delete Outside of Fence
Bug fix: Correction for problem where number format culture was defaulting to UI language culture
Bug fix: Fixed problem where Heat icon sometimes appeared next to Fire icon
Bug fix: Escape routes, made visibility limit consistent across graphs

5.4.2.5

Improvement: Update to Ventsim Manual 5.4 Spanish
Improvement: Added piston effect pressure total to Track Editor and path graph
Improvement: Removed changing of cursor with Advanced Find & Select
Bug fix: Forced graphic shape update on Stage change
Bug fix: Included save of the Overpass user Settings

5.4.2.4

Improvement: Addition of link in Help menu to Ventsim Webinars
Improvement: Added the ability to edit a Ventlog Station from Ventsim
Improvement: Added fixed temperature heating and refrigeration information to Heat Summary
Improvement: Updated translations
Bug fix: fixed incorrect image on Edit form simulation button for Dust
Bug fix: fixed tool for clearing Custom Icons
Bug fix: fix for Heat sources in ducts during Dynamic Simulation
Bug fix: Fixed backwards compatibility for fixed temperatures in heat events

5.4.2.3

Improvement: Addition of icon, progress window, configurable settings and graph for the Caving Air Blast Simulation
Bug fix: Issue with Fix Temperatures turning on on Heat Event form
Bug fix: Correction to NVP and Shock pressure losses reporting to the Edit form Info tab

5.4.2.2

Improvement: Allowed up to 32 Stages to be used
Improvement: Further improvements to Parallel Fan Stall Predictor
Improvement: Improved System R and Peak capacity fan output info for single and combined fan graphs
Improvement: Allowed 0 degrees fixed temperatures to be set
Bug fix: fixed bug with Rock preset for Conveyors
Bug fix: fixed bug where Regulator points sometimes could not be saved
Bug fix: fixed some problems around unique airways being wrongly identified on Stage unlock

5.4.2.1

Improvement: Added Activity Track Duplicate button on Track Editor
Improvement: Added button to Track Editor to search for airways on current stage that correspond to airways on the track on other stages
Improvement: Added a Remove Selection button to Track Editor
Improvement: Made extension of existing Tracks to new stages optional
Improvement: Added option to only show staged Tracks
Improvement: Made copy to clipboard message temporary
Improvement: Excluded excluded airways from some warning messages
Improvement: Added Fog to available thermal flywheel results
Improvement: Improvements to Fan Interaction Stall Predictor, including single fans in parallel in separate airways
Improvement: Allowed blank input of model title
Improvement: Added Contaminant Mass property
Improvement: Added property Energy: Fan Shaft Power
Bug fix: Added prompts to file save from Track Editor
Bug fix: Corrected Restore Defaults
Bug fix: Forced Heat Sim to occur on stage change when option selected
Bug fix: Fix for Ventlog stations with no data values
Bug fix: Corrected default name of detached Stage
Bug fix: Fixed save of Rock Ages for multiple airways
Bug fix: Fixed diesel emission for vehicles per length option on Activity Tracks
Bug fix: Fixed muckpile resistance calculation for Caving Blast Simulation

5.4.2.0

Improvement: Added new Fan Interaction Stall Predictor tool
Improvement: Added ability to view Activity Tracks from Heat tab of the Edit Form
Improvement: Added Pass/Fail to audit report Word export
Improvement: Updated translations for Spanish, Russian and Chinese
Improvement: Added Radon to goal seek tool and fixed progeny setting
Improvement: Now saves option to always reset network after dynamic sim
Improvement: Simplified Annual Flywheel settings
Improvement: Background colour for references listed in Data Manager now matches the colour of the reference
Bug fix: Fix for minimum temperature being overridden by lower regular temperatures in Annual Flywheel
Bug fix: Fix for when adding fans from the Fan Select tool so that fans with the same name are grouped together instead of replaced
Bug fix: Fix for Static Scripting tool
Bug fix: Fix for issue when rendering text offset from icon position when the text size is too small

5.4.1.9

Improvement: Searchable drop-down menu in the Advanced Find Select
Improvement: Added a refresh to Advanced Message Boxes every 2 seconds during Dynamic Simulation
Bug fix: Fixed to make LiveView refresh sensor data according to the set refresh interval
Bug fix: Fixed Gas Injection and Linear Emission to work with Dynamic Simulation when using large relative injection amounts
Bug fix: Added a catch for crash in Edit Box when no Regulators are available in Presets.

5.4.1.8

Improvement: Made Conveyors and Waterways ignore source temperatures connected upstream
Improvement: New Tool to reset text positions on airways
Improvement: Added a Fixed Flow category to Advanced Find and Select
Bug fix: Fixed dust sensors in Dynamic simulation
Bug fix: Fix for horizontal round airways in Airway Optimizer
Bug fix: Corrected unit conversions on display of Shock Equivalent Length in Edit Box
Bug fix: Fixed Gas check boxes to allow specification of unfixed gas concentrations in Edit Box

5.4.1.7

Improvement: Adjusted data placement for inlet/outlet values, added Text Settings to toggle effect and adjust
Improvement: Made Summary Form for Activity Tracks limit to selected airways and only show staged Activity Tracks
Improvement: Added Fixed Temperature refrigeration to summary tabs Graphs and Energy
Improvement: Added warning on new Edit Box when saving a Fan or Fix edit on multiple airways
Bug fix: Fixed loading of Message text with special characters
Bug fix: Scroll wheel on Scale Manager fixed, now always updates, regardless of model size
Bug fix: Added text refreshes after moving airways and moving or adding icons
Bug fix: Stopped reload of Advanced Find and Select when not visible
Bug fix: Fixed slow to run Convert Centrelines
Bug fix: Fixed PQ survey for Advanced Find Select, added reload when opening
Bug fix: Forced Heat Active when using heat Presets, fixed bug when deleting heat presets from multiple airways
Bug fix: Fixed Dynamic Messages for negative values
Bug fix: Removed extra tab indent that was appearing in message boxes
Bug fix: Fix for importing dust sensor values when running dynamic sensor or dynamic script simulations

5.4.1.6

Improvement: Increased maximum allowable resolution of imported textures to 2K
Improvement: Made Activity Track and Message Box airway selections respond correctly to addition of detached stage
Improvement: Added additional checks to remove existing airways, tracks and messages from blank and detached stages
Bug fix: fixed Waterway toggle affecting Conveyor Heat
Bug fix: made a catch in Heat Simulation when encountering multiple fixed zero length Duct
Bug fix: fixed link to Reset Default Presets for Combustion fuels
Bug fix: made Activity Track stage selection react correctly to Stage reordering
Bug fix: fixed Activity Track form layout

5.4.1.5

Improvement: Limited Distance to surface and refuge calculation to current stage
Improvement: Forced update of Advanced Find and Select after icon deletion, moving and duplicating
Improvement: Added warning for deletion of Presets used on Activity Tracks
Improvement: Made it so leakage paths are always added with ducts
Bug fix: Made fix for invalid Favourites setting
Bug fix: Fix for creation of multiple windows
Bug fix: Made Gas properties always available in colours
Bug fix: Added catch for Data Entry errors in Activity Track grid

5.4.1.4

Improvement: Made count of Heat and Vehicle in use on Presets form include use on Activity Tracks
Improvement: Made messages jump to first unread message
Improvement: Added Gas/Contaminant/Dust Injection option, steady and dynamic
Improvement: Prevented Conveyor and Waterway temperatures automatically resetting
Improvement: Added PQ Survey and Airway Notes icons to Visibility Manager
Bug fix: Fixed Recirculation Simulation to limit to only current stage, improved Cancel button responsiveness
Bug fix: Made Fire Wizard handle fuel with zero density specified
Bug fix: Fixed operation of No Thoroughfare option on surface-connected airways
Bug fix: Disable Stage changing and editing while simulation running
Bug fix: Made Advanced Find and Select work for Data Boxes

5.4.1.3

Improvement: Updated demonstration model
Improvement: If duplicating a group of airways, put new airways in a new group
Improvement: Edit Box updates after use of Invert Selection
Improvement: Fixed Temperature icon becomes blue if cooling
Improvement: Made Modify Duct save to the Undo loop
Improvement: Made Overpass builder ignore the Intersection Lock Setting
Improvement: Made Heat Calculator Accept button always update Edit Box, if available
Improvement: Clearer user interface around Rock Age on the Edit Box
Bug fix: Fixed UI update of Rock Date Mined when entering a year (eg. 2005) in the Rock Age field
Bug fix: Corrected calculation of variable mass flow rates in Conveyor builder
Bug fix: Made perspective toggle update text
Bug fix: Fixed missing stage on creation of Message Box on first stage
Bug fix: Made dimensions update on change of shape in old Edit Box

5.4.1.2

Improvement: Added a button to Filter form to reset to installation settings
Improvement: Heaters, added moisture from fuel combustion to the heat added by the heater
Bug Fix: Corrected humidity correction when using fixed dry bulb and floating wet bub temperatures
Bug Fix: Fixed saving of Primary/Secondary Option on Fan Editor
Bug Fix: Fixed Export to Word from Audit Tool
Bug Fix: Corrected input of Gas Linear Emission on new Edit Box
Bug Fix: Made text refresh when Relative Text option is toggled via Settings
Bug Fix: Made reference text refresh when Reference Layer visibility is changed
Bug Fix: Made fixed temperatures work in Dynamic Simulation, when either dry or wet bulb is not specified
Bug Fix: Fixed loss of Unit Settings when using the Inherit Tool
Bug Fix: Allowed for smaller fan charts in old Edit Box

5.4.1.1

Improvement: Added Heater information to the Annual Thermal Flywheel
Bug Fix: Prevented Stage list growing with blank stage name

5.4.1.0

Improvement: Fix for calculation of oval perimeter in Duct Calculator
Improvement: Updated translations for Spanish and Russian

5.4.0.9

New Feature: Language options in stand-alone Duct Calculator installer.
New Feature: Added option to take a snapshot of Duct Calculator
Improvement: Updated translations
Improvement: Heat Simulation, made fixed temperature setting treat air moisture more realistically for cooling and heating scenarios
Fix for problem with saving of spreadsheet view
Fixed Estimate Fan Static Pressure Curve tool to use fan density, not standard density
Fixed potential crash in some Heat Calculator options with non-numerical inputs
Fixed potential incorrect Heat Added result reported in final month of airway flywheel graph results
Fixed issues that could occur when using both LiveView and Dynamic Scripts in the same model

5.4.0.8

New Feature: Text rendering engine allowing for text borders for improved readability and text displayed while rotating.
New Feature: Heaters now configurable on the Heat tab
Improvement: Fixed Flow (Fan) and Fixed Flow (Regulator) categories in Advanced Find & Select
Improvement: Addition of a new Safety category to the properties
Improvement: Duct Calculator graph improvements; addition of Fan Curve graph.
Fix for loading models saved in excel file format
Fix for issue that could occur when saving non-advanced message boxes
Fix for backup files saving with special characters in the name
Fix for efficient saving of Fan images

5.4.0.7

Fixed Multi Windows not being able to leave the main form
Fix for when multi windows could crash if first window was closed before making a new one
Fix for Translations in Duct Calculator
Fix for resistance icons not showing
Fixed monitor graph not loading on the previously open data type

5.4.0.6

New Feature: Add custom icons for Regulators
Improvement to VentFire scripting to allow transitions curve of less than 1m
Fix for importing live view sensors where multiple sensors are on one row
Fix to allow live view update to refresh comments as well as data values direct from the source
Change to dynamic messages to update less frequently
Fix for Escape key to un-select message boxes
Added Gradient as an attribute for airway text
Fix for some situations where Rock Preset Temp had deviated from Environment settings
Fix for Airway Diameter showing the effective diameter on circular airways instead of the full diameter
Fix for cases where Perimeter could be calculated incorrectly when changing shape and dimensions in the same edit
Adjusted Duct Calculator label sizes to better accommodate Spanish
Updated Manual for 5.4