| Version 8.33.3 (14.01.2021) | |
|---|---|
| Bug Fixes | |
| WTS | RBSA could not be properly executed for the U-tube bundle. |
| Version 8.33.2 (08.12.2020) | |
|---|---|
| Bug Fixes | |
| ATLAS System | In modules with combo boxes, definition files could no longer be used due to an internal problem. This problem consisted of the definition file being read out incorrectly. This has been fixed. |
| ATLAS System | Use of definition files was somewhat restricted. An error message could occur. |
| RBSA | It could happen that old ATL's could not be opened anymore, because values from SPIE were not transferred correctly into RBSA. This is fixed. |
| WTS | A problem with the connection meant that the tube lane width could no longer be changed in WTS. This has been fixed. |
| Version 8.33.1 (20.11.2020) | |
|---|---|
| Bug Fixes | |
| ATLAS System | A bug sometimes caused definition files to be read incorrectly. This bug refers to values stored with more than 10 digits. |
| T-OIL | An error has led to incorrect calculation of the properties of Fragoltherm HK. |
Enhancements | |
| JTHO, WTS | Presetting of module JTHO via Save definition file in WTS now possible. |
| Version 8.32.1 (02.03.2020) | |
|---|---|
| Bug Fixes | |
| ATLAS System | Cancel Printing crashed the Project Explorer. |
| Version 8.30.1 (25.09.2019) | |
|---|---|
| Essential changes | |
| ATLAS System | NEW: 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 System | Display of the chapter or chapter number in the footer of the program revised or adapted. |
| HCL | Density corrected at mass fractions between 30% and 40% at temperatures not equal to 20°C. |
| RBSA | Evaluation of the vibration analysis for vortex excitation with more than 2 baffles and U-tube corrected. |
| SPIE | Help button corrected |
Enhancements | |
| ATLAS System | Existing communication with Excel can be transferred to another Excel table. Thus alternatives can be calculated simply. |
| ATLAS System | Evaluation of the validity area for calculated variables: In some cases, incorrect messages could occur. |
| ATLAS System | When connecting to Excel: "Save as..." in Excel was not recognized by the program as a change. |
| ATLAS System | Export to DOCX: behavior of page numbers and table of contents corrected. |
| T-OIL | Extension 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 |
| HFO | Message when leaving the range of validity |
| KOND, VERD, WTS | The RBSA module (tube bundle vibration analysis) is not executed until the executed tube length has been entered. |
| Version 8.29.1 (10.04.2019) | |
|---|---|
| Essential changes | |
| ATLAS System | LV VISUAL: New visualization of the problem formulation (BETA version) |
Bug Fixes | |
| ATLAS System | The program could crash when printing very large files. |
| ATLAS System | Problems could arise if two parameter studies were performed consecutively. |
| ATLAS System | Parameter study did not work if the "Wait" option was set at the same time. |
| ATLAS System | Print: Module description was not always printed |
| ATLAS System | The special menu was not displayed correctly after a change. |
| ATLAS System | Feezing: Proposed amount to be requested was exceptionally too low. |
| CO2, LUFT, N2, O2 | Some 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. |
| KOND, VERD, WTS | The longitudinal pitch sl was no longer calculated in the form 'Selection of basic data'. Therefore no message if the pitch is too small. |
| N6, SOWU | On the mask, the performance coefficient was referred to as the "area reserve". |
| RBSA | Any existing messages from all modules are displayed directly when loading. |
| RBSA | Determination of the frequency for U-tubes in the window zone as a function of the bending radii. |
| RBSA, WTS | RBSA module blocked if the required length was less than the distance between the baffles. |
Enhancements | |
| ATLAS System | The description of the module in the module selection was not displayed completely if it was too long. |
| AC, COIL, NH3 | The setting "Saturation Yes/No" in module NH3 can now be set independently for both states. |
| CO2 | Calculation 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. |
| CO2 | New 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) |
| PROP | The names, formulas and concentrations of the media from the str file are now specified on the mask. |
| T-OIL | 12 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 |
| TWIS | Improved display of equations on the mask. |
| Version 8.28.4 (14.01.2019) | |
|---|---|
| Bug Fixes | |
| ATLAS System | When using the option "Set value in expert mode", the justification was not documented completely. |
| RBSA | For fluid-elastic parameter Chi > 300, the critical flow velocity was not calculated. |
| VERD | Tube-side evaporation: When you choose a refrigerant as heating medium and then changed the evaporation side, the program could not determine the physical properties. |
Enhancements | |
| RBSA | Presentation on input mask improved. |
| RBSA | You can now consider expansion joints with total expansion compensation in the RBSA module. |
| Version 8.28.1 (07.11.2018) | |
|---|---|
| Essential changes | |
| ATLAS System | New Start Form! Completely revised concept for selecting required calculation modules. |
Bug Fixes | |
| ATLAS System | After printing, graphics on the input mask disappeared. |
| ATLAS System | In some cases, the y-axis had a wrong scale in the parametric study. |
| ATLAS System | Error when using the command "Delete all connections of the module" |
| KOND, VERD, WTS | If the distance between baffle and U Bend is unknown in old ATL files, it is set to "0". You will not be prompted to enter the missing value. |
| RBSA, WTS | In case of danger due to buckling, RBSA did not allow switching to the WTS module. |
| RGAS | When entering the composition of the flue gas, negative values for the concentrations were possible. |
| SPIE | "Create DXF file" did not work |
| VGAS | The sum of concentrations of the gases is always 100%. Negative concentrations are not allowed. |
Enhancements | |
| ATLAS System | When a message was shown multiple times, the message windows was always on top. |
| Version 8.27.3 (24.09.2018) | |
|---|---|
| Bug Fixes | |
| KOND, RBSA | When loading old ATL files containg KOND, the RBSA module was only filled partially with data. |
| RBSA | A message, only valid for U tubes was displayed for straight tubes as well. |
| WTS | For lamellar type safety heat exchangers, not the equivalent thermal conductivity was used but the thermal conductivity of the tube material. |
| WTS | For lamellar safety heat exchangers , the thermal conductivity of the tube material was used for calculating the heat trasnfer coefficient instead of (correctly), the equivalent thermal conductivity. |
| WTS | For disc and doughnut baffles, the distance from tube sheet to 1st baffle and the number of baffles were not transferred to the EXCEL specification sheet. |
| WTS | When selecting a tubesheet from the tubesheet library, not all data were trasnferred when changing the number of passes. |
Enhancements | |
| C1 | Range of validity for temperatures added. |
| RBSA, VERD, WTS | For calculating the tube vibration with RBSA, you need to enter the distance of the last baffle to the U bend in WTS and VERD. By default it is 0 at program start. |
| T-OIL | New thermal oil 'Alaria 3' from Eni |
| VERD, WTS | For shell-side condensation in WTS and VERD, physical properties of the condensate were transferred to the RBSA module instead of the physical properties of the vapor. |
| WTS | Calculating safety heat exchangers with double-pipe system and barrier liquid in annulus. The equivalen thermal conductivity of the system consisting of double pipe and barrier liquid is calculated. |
| Version 8.27.1 (22.05.2018) | |
|---|---|
| Essential changes | |
| KOND, RBSA, VERD, WTS | The tube bundle vibration analysis in the RBSA module was completely revised.
Additionally to the vibration due to vortex shedding, now turbulent buffeting and fluid elastic instability are calculated as well. The vibration analysis is performed according to TEMA. The RBSA module is part of the programs WTS, KOND and VERD. RBSA is used for calculation of vibration in shell and tube heat exchangers with U-bend and with 2 shell side passes (Heat exchanger with longitudinal baffle). For shell and tube heat exchangers with two fixed tubesheets, the vibrattion analysis is performed with the GVLV module based on VDI Heat Atlas acc. Prof. Gelbe. |
| GVLV, KOND, RBSA, VERD, WTS | Due to changes in the RBSA module there are changes in the tube bundle vibration analysis. Under certain conditions, the vibration analysis must be performed by the GVLV module. Please ask for a new licence file for this module! |
Bug Fixes | |
| ATLAS System | When activating a new licence file, a message is diplayed, asking to restart the program for the changes to take effect. |
| ATLAS System | Scenario Manager:: In case of empty columns in the Excel sheet between Variables of different chapters, some results were not calculated. |
| ATLAS System | Partially italic text parts in the input mask were wrapped incorrectly |
| GLYC | Calculation of Prandtl number of ethylene glycol and propylene glycol: Results were not consistent with other properties |
Enhancements | |
| ATLAS System | You may now drag a variable from the navigation manager on the input mask to set a link. |
| ATLAS System | You may now delete the contents of ComboBoxes with the DEL key |
| ATLAS System | The currently selected variable is shown in the connection navigator even when it is already connected |
| ATLAS System | New units for velocity: km/h and in/s |
| G3 | You can now enter the tube wall thickness |
| ZELL | Correction for highly overdesigned heat exchangers. FN factor could become 0. |
| Version 8.26.1 (21.02.2018) | |
|---|---|
| Bug Fixes | |
| ATLAS System | Printing to printer with post script driver (PC L6) was not possible |
| ATLAS System | Creating a new chapter within an existing group: Chapter was not created within the group. |
| ATLAS System | When 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 System | Conversion from t to kg was not possible |
| ATLAS System | If a Proxy server was selected for Feezing, the settings were not saved. |
| ATLAS System | The wrong chapter name was displayed in the variable monitor, if the name of the chapter was changed manually. |
| ATLAS System | ComboBoxes, where the user could enter a value manually, closed immediately after first opening. |
| ATLAS System | You could not print to an unmapped network drive |
| ATLAS System | When creating a new group, the TabStrip was not updated immediately. |
| Doku | Special characters in file names are now allowed when including RTF files and DOCX files. |
Enhancements | |
| ATLAS System | When selecting an entry in a ComboBox, it is immediately interpreted as input. Up to know you had to press the enter button. |
| ATLAS System | Loading 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. |
| COIL, KOND, VERD, WTS | When opening the explorer for selecting a new tube sheet library (Spie.mdb) teh current path is pre-defined. |
| FRIG | "Boiling state Yes/No" now with ComboBox |
| G8 | For multiple shell-side passes. the wrong superficial velocity was stated in the input mask. The correct value was used for calculation internally. |
| GVLV | Removed message: 'Input error: Sum of tubesheet thickness and baffle clearance does not result in total tube length'. |
| KOND | The area reserve of the complete apparatus including desuperheatig zone, condensation zone and subcooling zone is now stated. |
| KOND, VERD, WTS | Vibration anlaysis wit the program Good Vibrations in WTS, KOND und VERD now limited to maximum 50 baffles. |
| T-OIL | Nine new silicon oils from Fragol
|
| Version 8.25.1 (20.11.2017) | |
|---|---|
| Essential changes | |
| ATLAS System | New printing option: Printing to Microsoft Word DOCX. |
Bug Fixes | |
| ATLAS System | In 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 System | When using the slider with the mouse, sometimes the slider made more than one step. |
| ATLAS System | Formatted texts on graphics not printed correctly. |
| ATLAS System | Error when entering variables of dimension 'mechanical stress', when standard input unit for pressure was set to 'bar'. |
| ATLAS System | Input mask zoom corrected. |
| ATLAS System | Dimensionless variables were always displayed as 0 in the variable monitor. |
| ATLAS System | Changing size of window using arrow keys and then 'Enter' -> Size of window was changed to the previously set value. |
| ATLAS System | When printing to RTF and setting the 'Number of first page' greater than 1: Page numbers in printed documents were not correct. |
| ATLAS System | Some dimensionless variables were not displayed in the navigator or shown as 0. |
| ATLAS System | No values in conversion of units of locked input fields |
| ATLAS System | When loading a file, equations might cover variable fields partially |
| G4 | When connecting to other modules, the pressure was not connected. |
| NH3 | Error 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-OIL | The 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. |
| TWIS | You could not print calculations withTWIS module. |
| VERD | You can now enter the standard volume flow for gases. |
Enhancements | |
| ATLAS System | LV Optimiser separated from LV Scenario Manager |
| ATLAS System | Visio interface optimised. |
| COIL, KOND, VERD, WTS | In the EXCEL specification sheet the mass flows are inserted in the rows liquid or gas depending on their state of phase (liquid or gaseous). |
| COIL, KOND, VERD, WTS | Specification sheets now xltx format and xltm format (Macro), but you can still use the old specification sheets. |
| KOND, VERD, WTS | The baffle cut is not anymore fixed as 20% of the inside diameter of the shell, but is calculated depending on the inside diameter of the shell and the distance of the baffles. This might lead to changes in the shell-side heat transfer and the shell-side pressure drop. Calculation files (*.atl), which have been created with previous versions of the software are not affected by this change. |
| Version 8.24.3 (06.10.2017) | |
|---|---|
| Bug Fixes | |
| SPIE | Only with the configuration: 2 tube side passes, 2 shell side passes and no-tubes-in-window as a combination, there was a program crash. |
| Version 8.24.2 (25.09.2017) | |
|---|---|
| Bug Fixes | |
| ATLAS System | Unit Inch could not be saved as (") |
| SPIE | Error in calculating 'mean distance tube center to boundary tubes' from version 8.22.1 fixed |
Enhancements | |
| T-OIL | If there is no value for the vapour pressure of the oil, '0' is displayed. |
| Version 8.24.1 (07.09.2017) | |
|---|---|
| Essential changes | |
| ATLAS System | Printing to PDF creates automatic bookmarks from the chapter headlines |
| T-OIL | New thermal oil: Laurol HT 32 |
Bug Fixes | |
| ATLAS System | You could not show help for individual input fields, which were locked for input. |
| ATLAS System | The menu item 'Switch on/off WAIT" did not change the corresponding button. |
| ATLAS System | When activating 'Split window' the lower part of the window was empty. |
| EQU | Connection of resulting variables of value 0 was not possible. |
Enhancements | |
| ATLAS System | Entering values in the conversion of units is now possible |
| ATLAS System | The units for display are now taken from the loaded ATL file. |
| COIL, KOND, VERD, WTS | EXCEL specification sheet template now available in XLTM format supporting macros |
| KOND | Display of volume flow on KOND mask. For the cooling medium the mean volume flow is displayed. On side of condensation the volume flow of the superheated steam at condenser inlet at Te is shown. You cannot enter the volume flow it is only displayed for documentation. |
| SPIE | Number of tubes in window zone and zone of transverse flow corrected when defining tie rods and dummy tubes. |
| VERD | Volume flows are stated in the EXCEL specification sheet. For condensation it is the inlet volume flow and for evaporation it is the outlet volume flow |
| Visio | Colouring of Visio shapes revised. Legibility improved. |
| WTS. KOND | Volume flows are stated in the EXCEL specification sheet. For condensation this is the inlet volume flow. |
| Version 8.23.1 (11.07.2017) | |
|---|---|
| Essential changes | |
| ATLAS System | The 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 System | Error 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. |
| ATLAS System | Help files are always displayed online and are not downloaded beforehand. If you need an offline help, please ask us how to proceed manually. |
Bug Fixes | |
| ATLAS System | Scenario 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 System | Message list was always displayed in the foreground, even if there was no new message. |
| ATLAS System | Undo or Redo actions resulted in errors displaying text blocks on the input mask. |
| ATLAS System | Definition files can now save text and material data. |
| ATLAS System | Error 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 System | After 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 System | The module name entered by the user was cut after 60 characters. |
| SPIE | In WTS, KOND, VERD you can lad a tubesheet only with the 'Tubesheet Library' button in the 'Selection of basic data' form. You cannot load the tubesheet in the SPIE module! |
| L1.5 | Calculation of central angle of baffle cut and calculation of cross sectional area AFG corrected. |
| SPIE | Height of baffle cut in mm: Height is referring to baffle diameter not inside diameter of the shell. Changes are only small, as the baffle diameter is only slightly smaller than the inside diameter of the shell (3-5mm) The height of the window in the baflles in % is referring to the inside diameter of the shell. |
| VERD | With evaporation in the tubes, the heat flux is referred to the inner tube surface. |
Enhancements | |
| ATLAS System | Printing: The module title is always printed, if you have renamed a module. The option to unselect printing the title was removed. |
| WTS | With electrical heaters, the maximum film temperature for thermal oils are now locked for user input. The maximum film temperature of thermal oils is a manufacturer specification. |
| Version 8.22.2 (08.05.2017) | |
|---|---|
| Bug Fixes | |
| KOND, SPIE, VERD, WTS | Bug fixed: SPIE module could not generate tubesheets with more than 6200 tubes. |
| Version 8.22.1 (12.04.2017) | |
|---|---|
| Bug Fixes | |
| Doku | When 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. |
| DROS | In some configurations it was not possible to make a back-calculation at all values (diameter, flow, pressure drop). This is now enabled. |
| RGAS, VGAS | When connecting VGAS (combustion calculation) and RGAS (flue gas) wit the option 'known composition', the program did not connect the fraction of the individual components. |
Enhancements | |
| KOND, TEMA, VERD, WTS | New calculation of minimum bundle shell distances for TEMA types L, M, N (fixed tubesheet), U (U tube bundles), P (outside packed floating head), S (floating head with packing device) and T (pull through floating head) |
| SPIE | Additional data from the tubesheet can be ued for the strength calculation: 'Total area enclosed by perimeter' and 'Perimeter of the tube layout' |
| TEMA | New: Calculation of minimum number of tie rods and of diameter of tie rods |
| WTSC | Error in DXF drawing when entering a too small value for diameter of expansion joint. |
| Version 8.21.1 (02.02.2017) | |
|---|---|
| Enhancements | |
| VISIO | LV Visio AddIn with enhanced shapes |
| Version 8.20.2 (09.12.2016) | |
|---|---|
| Bug Fixes | |
| ATLAS System | Display of external messages forced |
| WTS | Electrical heater: Input of the max. wall temperature is now possible. |
| Version 8.20.1 (18.11.2016) | |
|---|---|
| Bug Fixes | |
| VISIO | Visio interface |
| VISIO | Connection of two identical modules via VISIO enabled |
| Version 8.19.1 (14.09.2016) | |
|---|---|
| Essential changes | |
| ATLAS System | New start-up: When starting strength calculation package the Project module is shown instead of the treeview. |
Bug Fixes | |
| ATLAS System | Bug fixed: Sometimes messages were not displayed. |
| ATLAS System | Show group name in Navigator |
| ATLAS System | Coefficients of expansion are always shown as {xy}/K. |
| AC, COIL, KOND, VERD, WTS | New medium available: Oxygen O2 |
| CO2 | The physical properties of CO2 have been updated according to VDI Heat Atlas, 11th Edition |
| NETZ | Changing the net plan is noted. Mask is refreshed and the user is asked if he wants to save the file before closing the project. |
| STOS | Pump failure added |
| TKL | Iteration to filling level with given partial volumes |
| Version 8.18.1 (08.07.2016) | |
|---|---|
| Bug Fixes | |
| C1 | Countercurrent flow was not displayed. |
| G2 | Calculation of heat transfer in flat annulus now also possible for transition area of laminar and turbulent flow. |
| GGLR | Pressure drop for two shell-side passes corrected. |