BugFix-Report VDI Heat Atlas 11th edition

Version 8.32.1 (02.03.2020)
Bug Fixes
ATLAS SystemCancel Printing crashed the Project Explorer.


Version 8.30.1 (25.09.2019)
Essential changes
ATLAS SystemNEW: QuickSheet: - Simple calculation of complex issues.
Build your own LV calculation module, which exactly captures your problem.
No programming effort. Enormous time savings for routine work.

Bug Fixes
ATLAS SystemDisplay of the chapter or chapter number in the footer of the program revised or adapted.
HCLDensity corrected at mass fractions between 30% and 40% at temperatures not equal to 20°C.

Enhancements
ATLAS SystemExisting communication with Excel can be transferred to another Excel table. Thus alternatives can be calculated simply.
ATLAS SystemExport to DOCX: behavior of page numbers and table of contents corrected.
ATLAS SystemWhen connecting to Excel: "Save as..." in Excel was not recognized by the program as a change.
ATLAS SystemEvaluation of the validity area for calculated variables: In some cases, incorrect messages could occur.
T-OILExtension of TOIL by 6 thermal oils and 5 high-temperature salts
Thermal oils:
Marlotherm XC
Marlotherm XD
Cassida Fluid DC 32
Perfecto HTS 0801
Renolin Therm 380 S
Renolin Therm 330 S

High temperature salts:
ASD (HTS)
Thermo-Solar Salt
MS-1
MS-2
MS 450
HFOMessage when leaving the range of validity


Version 8.29.1 (10.04.2019)
Essential changes
ATLAS SystemLV VISUAL: New visualization of the problem formulation (BETA version)

Bug Fixes
ATLAS SystemParameter study did not work if the "Wait" option was set at the same time.
ATLAS SystemPrint: Module description was not always printed
ATLAS SystemProblems could arise if two parameter studies were performed consecutively.
ATLAS SystemFeezing: Proposed amount to be requested was exceptionally too low.
ATLAS SystemThe program could crash when printing very large files.
ATLAS SystemThe special menu was not displayed correctly after a change.
CO2, LUFT, N2, O2Some physical properties were wrongly interpolated near the boiling point. The compressibility factor is now calculated and no longer taken from the table. The calculation is performed according to Z = P/(Rho-T)-M/R0. The compressibility factors are not calculated for states on the boiling curve.
G10The Reynolds number was calculated with the corrected speed, not with the actual speed.

Enhancements
ATLAS SystemThe description of the module in the module selection was not displayed completely if it was too long.
AC, COIL, NH3The setting "Saturation Yes/No" in module NH3 can now be set independently for both states.
CO2Calculation of the physical properties at pressures smaller than the triple pressure (state area solid gas). Differentiation of solid CO2 and steam by means of the sublimation pressure curve. Properties of solid CO2 are not calculated.
CO2New properties: The surface tension is now given. The boiling temperature of the system pressure is calculated. Indication of the phase state on the mask (liquid, gaseous or supercritical)
FLDMask simplified
LOMAGraphical display of flow pattern improved.
PROPThe names, formulas and concentrations of the media from the str file are now specified on the mask.
T-OIL12 new oils from Fragol and 4 already existing oils revised
New oils:
Fragoltherm® X-75-A
Fragoltherm® DPO
Fragoltherm® 660
Fragoltherm® 620
Fragoltherm® 550
Fragoltherm® HT
Fragoltherm® HK
Fragoltherm® F-N
Fragoltherm® F-ADX10
Fragoltherm® F-12
Fragoltherm® F-LT
Fragoltherm® X-T9-A

Revised:
Fragoltherm® Q-32-A
Fragoltherm® Q-32-N
Fragoltherm® S-15-A
Fragoltherm® S-20-A


Version 8.28.1 (07.11.2018)
Essential changes
ATLAS SystemNew Start Form! Completely revised concept for selecting required calculation modules.

Bug Fixes
ATLAS SystemIn some cases, the y-axis had a wrong scale in the parametric study.
ATLAS SystemAfter printing, graphics on the input mask disappeared.
ATLAS SystemError when using the command "Delete all connections of the module"
F5You can now overwrite the exponent n
H2.5.1Error in critical heat flux calculation. Additionally, the critical heat flux is now calculated according equations 28 and 29. 11th edition of VDI Heat Atlas
K3The emissivity of C02 could become negative at very low partial pressure.
RGASWhen entering the composition of the flue gas, negative values for the concentrations were possible.
VGASThe sum of concentrations of the gases is always 100%. Negative concentrations are not allowed.

Enhancements
ATLAS SystemWhen a message was shown multiple times, the message windows was always on top.


Version 8.27.1 (22.05.2018)
Bug Fixes
ATLAS SystemPartially italic text parts in the input mask were wrapped incorrectly
ATLAS SystemScenario Manager:: In case of empty columns in the Excel sheet between Variables of different chapters, some results were not calculated.
ATLAS SystemWhen activating a new licence file, a message is diplayed, asking to restart the program for the changes to take effect.
GLYCCalculation of Prandtl number of ethylene glycol and propylene glycol: Results were not consistent with other properties

Enhancements
ATLAS SystemNew units for velocity: km/h and in/s
ATLAS SystemThe currently selected variable is shown in the connection navigator even when it is already connected
ATLAS SystemYou may now delete the contents of ComboBoxes with the DEL key
ATLAS SystemYou may now drag a variable from the navigation manager on the input mask to set a link.
G3You can now enter the tube wall thickness


Version 8.26.1 (21.02.2018)
Bug Fixes
ATLAS SystemConversion from t to kg was not possible
ATLAS SystemPrinting to printer with post script driver (PC L6) was not possible
ATLAS SystemYou could not print to an unmapped network drive
ATLAS SystemComboBoxes, where the user could enter a value manually, closed immediately after first opening.
ATLAS SystemIf a Proxy server was selected for Feezing, the settings were not saved.
ATLAS SystemWhen using the Scenario Manager with the option 'Print every Scenario' and there are messages at the same time: The messages are presented as message boxes when printing. This is not the case anymore if the user includes the messages in the printing.
ATLAS SystemCreating a new chapter within an existing group: Chapter was not created within the group.
ATLAS SystemWhen creating a new group, the TabStrip was not updated immediately.
ATLAS SystemThe wrong chapter name was displayed in the variable monitor, if the name of the chapter was changed manually.
DokuSpecial characters in file names are now allowed when including RTF files and DOCX files.

Enhancements
ATLAS SystemWhen selecting an entry in a ComboBox, it is immediately interpreted as input. Up to know you had to press the enter button.
ATLAS SystemLoading an ATL file was not possible if the file was containing a module, which is not part of the program package or not unlocked. Now you can at least load the modules which are unlocked.
FRIG"Boiling state Yes/No" now with ComboBox
G8For multiple shell-side passes. the wrong superficial velocity was stated in the input mask. The correct value was used for calculation internally.
H2.3.5.2Changes in the 11th edition
Calculation of the referece heat transfer coefficient Alpha0 for finned tubes: The heat trasnfer coefficients for smooth tube and finned tube at q= 100 kW/m² and p* = 0.10 are set as equal and not anymore for p*=0.03. The H2.4 module was extended with the following calculations:
- Free convection without bubble formation
- Superposition of free convection and nucleate boiling
- Heat transfer for boiling for finned tubes in a tube bundle
T-OILNine new silicon oils from Fragol
  • Fragoltherm X-160-A
  • Fragoltherm X-40
  • Fragoltherm X-400-A
  • Fragoltherm X-75-A
  • Fragoltherm X-80
  • Fragoltherm X-T12
  • Fragoltherm X-T15
  • Fragoltherm X-T20
  • Fragoltherm X-T9


Version 8.25.1 (22.11.2017)
Essential changes
ATLAS SystemNew printing option: Printing to Microsoft Word DOCX.

Bug Fixes
ATLAS SystemIn the conversion of units a wrong unit was marked, if the variable in the ATL file contained a differing unit than the standard unit.
ATLAS SystemWhen printing to RTF and setting the 'Number of first page' greater than 1: Page numbers in printed documents were not correct.
ATLAS SystemFormatted texts on graphics not printed correctly.
ATLAS SystemWhen using the slider with the mouse, sometimes the slider made more than one step.
ATLAS SystemInput mask zoom corrected.
ATLAS SystemDimensionless variables were always displayed as 0 in the variable monitor.
ATLAS SystemError when entering variables of dimension 'mechanical stress', when standard input unit for pressure was set to 'bar'.
ATLAS SystemSome dimensionless variables were not displayed in the navigator or shown as 0.
ATLAS SystemChanging size of window using arrow keys and then 'Enter' -> Size of window was changed to the previously set value.
ATLAS SystemNo values in conversion of units of locked input fields
ATLAS SystemWhen loading a file, equations might cover variable fields partially
G4When connecting to other modules, the pressure was not connected.
NH3Error when calculating the boiling temperature for state 2 with temperatures below 0 °C. Values at P = 0.1 · Pc were updated according to VDI Heat Atlas 11th edition. (These values are required in the VERD program)
T-OILThe entries on the input mask 'Former product' and 'Range of application' were not deleted when selecting a new oil, if there were no entries for this new oil.

Enhancements
ATLAS SystemVisio interface optimised.
ATLAS SystemLV Optimiser separated from LV Scenario Manager
K2Variable names adjusted to VDI Heat Atlas 11th edition.


Version 8.24.2 (25.09.2017)
Bug Fixes
ATLAS SystemUnit Inch could not be saved as (")

Enhancements
T-OILIf there is no value for the vapour pressure of the oil, '0' is displayed.


Version 8.24.1 (11.09.2017)
Essential changes
ATLAS SystemPrinting to PDF creates automatic bookmarks from the chapter headlines
T-OILNew thermal oil: Laurol HT 32

Bug Fixes
ATLAS SystemWhen activating 'Split window' the lower part of the window was empty.
ATLAS SystemYou could not show help for individual input fields, which were locked for input.
ATLAS SystemThe menu item 'Switch on/off WAIT" did not change the corresponding button.
EQUConnection of resulting variables of value 0 was not possible.
J1.4Iteration of phase layer temperature now without giving a starting value. Vapour pressure curve: Lee-Kesler equation replaced by Ambrose-Walton equation.
J1.5Iteration of phase layer temperature now without giving a starting value. Vapour pressure curve: Lee-Kesler equation replaced by Ambrose-Walton equation. Wapour pressure curve of water added.

New modules / completely revised modules
HFOHFO module is now available in English VDI Heat Atlas package. A new unlock key is required.

Enhancements
ATLAS SystemThe units for display are now taken from the loaded ATL file.
ATLAS SystemEntering values in the conversion of units is now possible
VisioColouring of Visio shapes revised. Legibility improved.


Version 8.23.1 (11.07.2017)
Essential changes
ATLAS SystemThe small blue squares in an input field, indicating that there is information concerning this variable, are replaced by small blue question marks. The functionality stays the same.
ATLAS SystemHelp files are always displayed online and are not downloaded beforehand. If you need an offline help, please ask us how to proceed manually.
ATLAS SystemError with printing of big projects solved. When printing big projects, containing many modules and equations, a program crash was possible.
Printing a file is now a separate process. While printing you can now continue working with the program or even close the program.

Bug Fixes
ATLAS SystemScenario Manager: If the user entered a unit in Excel, incompatible with the internal unit of the variable it was possible that it resulted in wrong values. Now there is a message and the user can decide whether to continue the scenario calculation or abort it and correct the error.
ATLAS SystemError solved when starting a parametric study by entering in an input filed (e.g. '0,1...8')
In some cases the parametric study was started but no results for depending variables were calculated or displayed.
ATLAS SystemUndo or Redo actions resulted in errors displaying text blocks on the input mask.
ATLAS SystemDefinition files can now save text and material data.
ATLAS SystemThe module name entered by the user was cut after 60 characters.
ATLAS SystemAfter multiple undo actions, it might have been possible that not all states could be restored (redo). The user setting 'Number of possible undo steps' was not saved.
ATLAS SystemMessage list was always displayed in the foreground, even if there was no new message.
L1.5Calculation of central angle of baffle cut and calculation of cross sectional area AFG corrected.

Enhancements
ATLAS SystemPrinting: The module title is always printed, if you have renamed a module. The option to unselect printing the title was removed.


Version 8.22.1 (12.04.2017)
Bug Fixes
DokuWhen including RTF files with file names with umlauts, the file was not included. Now there is a message, that the file name must be changed.
DROSIn some configurations it was not possible to make a back-calculation at all values (diameter, flow, pressure drop). This is now enabled.
F2.1, F2.2, F3, F4When calculating the heat transfer with free convection and negative coefficient of thermal expansion (e.g. water under 4 °C) there was a negative heat transfer coefficient.
F2.2Temperature difference now calculated as absolute value. This results in a positive heat transfer coefficient when cooling and heating.
N3.2N3.2 module - Power consumption of stirring devices New: Approximate calculation of power consumtion with and without anti-vortex baffles according to Hirschberg for flat-blade turbine or pitched-blade impellers, propellers, paddles and anchor impellers New: Calculation of power consumption of the following impeller stirring devices: Helical impeller with an external helical ribbon and an internal screw with bottom scrape (acc. to Stein) Paravisc impeller with bottom scrape (Ekato) Alfa impeller with bottom scrape (Stelzer) MUT impeller with bottom scrape
RGAS, VGASWhen connecting VGAS (combustion calculation) and RGAS (flue gas) wit the option 'known composition', the program did not connect the fraction of the individual components.


Version 8.21.1 (02.02.2017)
Enhancements
VISIOLV Visio AddIn with enhanced shapes


Version 8.20.2 (09.12.2016)
Bug Fixes
ATLAS SystemDisplay of external messages forced


Version 8.20.1 (18.11.2016)
Bug Fixes
VISIOVisio interface
VISIOConnection of two identical modules via VISIO enabled


Version 8.19.1 (14.09.2016)
Essential changes
ATLAS SystemNew start-up: When starting strength calculation package the Project module is shown instead of the treeview.

Bug Fixes
ATLAS SystemShow group name in Navigator
ATLAS SystemBug fixed: Sometimes messages were not displayed.
ATLAS SystemCoefficients of expansion are always shown as {xy}/K.
CO2The physical properties of CO2 have been updated according to VDI Heat Atlas, 11th Edition
NETZChanging the net plan is noted. Mask is refreshed and the user is asked if he wants to save the file before closing the project.
STOSPump failure added
TKLIteration to filling level with given partial volumes


Version 8.18.1 (08.07.2016)
Bug Fixes
C1Countercurrent flow was not displayed.
E2Retrograde calculation to time enabled.
G2Calculation of heat transfer in flat annulus now also possible for transition area of laminar and turbulent flow.


Version 8.15.1 (02.02.2016)
Bug Fixes
SaWaThe kinematic viscosity was calculated too high by a factor of 1000.



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This page was created automatically on 21.12.2021.