TILMedia Release Notes
TILMedia 2025.1
Improvements
The TILMedia package structure has been revised:
Objects, Functions, ObjectFunctions and Types have been moved to new top-level packages Gas/Liquid/VLEFluid/Solid/SLEMedium
For VLEFluid: Objects and ObjectFunctions optimized for Mixtures (MixtureCompatible) and for using analytic Jacobians with splines (SplineDerivatives) are now available in the top-level VLEFluid package
Functions and ObjectFunctions found in the top-level packages Gas/Liquid/VLEFluid now only contain wrapper functions to the functions containing the external function calls instead of the external function calls itself. Using this wrapper functions prevents the generation of function objects during compilation and thus reduces the size of the C code generated.
A new Refprop fluid file for ammonia has been added to replace the older one. This file contains data for a new reference equation of state with an associating term from Gao et. al, 2023 (https://doi.org/10.1063/5.0128269). Note that the name string "Refprop.Ammonia(EOS=FE1)" can activate the use of the former Helmholtz equation of state for ammonia from Tillner-Roth et al. (1993).
A new flag "GasConstant" has been added for Refprop media to determine which gas constant is used for calculations. The following "GasConstant" options are available:
0 - The default is to use the most recent gas constant for all fluids except nitrogen, argon, oxygen, ethylene, CO2, methane and ethane.
1 - Use the most recent gas constant (from NIST) for all fluids.
2 - Use gas constant from fluid files for each equation of state. Note that this option is needed to make Refprop results match TILMedia results as closely as possible.
Example: "Refprop.R134a(GasConstant=2)"
Bug fixes
Fixed external function calls for MixtureCompatible Object VLEFluid and in inverse annotations of MixtureCompatible ObjectFunctions. Using now the mixture-optimized functions instead of the default ones intended for pure/pseudo pure fluids.
VLE transport properties of Spline media in the supercritical region are now set to the values from the cricondenbar, which were previously assigned undefined values.
TILMedia 2024.1
Improvements
The interpolation of dynamic viscosity in the two-phase region has been changed. The new default interpolation is the model by McAdams et al. (1942), Trans. ASME., 64: 193-199. https://doi.org/10.1115/1.4019013. It is a linear interpolation of the inverse of dynamic viscosity weighted by vapor quality. Other models are available by setting the flag TwoPhaseViscosityModel in the medium name:
TwoPhaseViscosityModel=McAdamsNu: linear interpolation of the inverse of kinematic viscosity. default model in previous versions. Conversion script is available.
TwoPhaseViscosityModel=Chicchitti: linear interpolation of dynamic viscosity. Chicchitti et al. (1960), Energia Nucleare, 7: 407-425.
TwoPhaseViscosityModel=Dukler: linear interpolation of kinematic viscosity. Dukler et al. (1966), AIChE J., 10: 44-51. https://doi.org/10.1002/aic.690100118.
TwoPhaseViscosityModel=MaxwellEucken1: derived from thermal conductivity modelling in porous media, liquid phase dominant. Awad & Muzychka (2008), Exp. Therm. Fluid Sci., 33, 106-113. https://doi.org/10.1016/j.expthermflusci.2008.07.006
TwoPhaseViscosityModel=MaxwellEucken2: derived from thermal conductivity modelling in porous media, vapor phase dominant. Awad & Muzychka (2008), Exp. Therm. Fluid Sci., 33, 106-113. https://doi.org/10.1016/j.expthermflusci.2008.07.006
TwoPhaseViscosityModel=MaxwellEuckenAvg: derived from thermal conductivity modelling in porous media, arithmetic average of MaxwellEucken1 and MaxwellEucken2. Awad & Muzychka (2008), Exp. Therm. Fluid Sci., 33, 106-113. https://doi.org/10.1016/j.expthermflusci.2008.07.006
E.g. vleFluidNames={"TILMedia.CO2(TwoPhaseViscosityModel=McAdamsNu)"}
In Modelica, the DataPath has been separated and Refprop- and CoolProp-mediums has been moved to a library: "TILMedia AddOn External-Data".
In Modelica, an internal implementation for the calculation of Gas Diffusion Coefficients has been added.
CoolProp-mediums now support a path-specification (behind the name-string). It enables to refer to the CoolPro.dll-file in the Resources-folder (even in an AddOn) and for FMU-exports.
TILMedia functions with an array index as input, such as *_molarMass_n() for Gas, Liquid and VLEFluid are now checking the limits of the specified array index.
The VLEFluid mixture of ammonia-water now checks if the validity range has been exceeded.
Bug fixes
For Refprop-VLEFluids the optional parameter "PREOS=0, 1, 2 or 3" will now be checked correctly. "PREOS" activates the calculation with Peng-Robinson equations.
The calculation of cricondentherm temperature for Refprop-, CoolProp- and Spline-VLEFluids is working now.
TILMedia 3.16.0
Improvements
In Modelica a Solid-Record for TILMedia_MineralWool has been added.
Bug fixes
The calculation of VLE fluid properties with TILMedia.Water and input of pressure and enthalpy was only possible up to 5°C. Now it is possible up to 1°C as intended.
In Baack2020.Tyfocor_L_40_degr the viscosity has been changed.
TILMedia 3.15.1
Hotfix release. No changes in this library.
TILMedia 3.15.0
Improvements
VLEFluid Spline model has been added for R454B
6 Liquids and 2 mixtures based on Baack 2020 have been added. Dissertation, Sebastian Baack, 2020: https://doi.org/10.14279/depositonce-9628
87 Liquids and 9 mixtures based on Branan’s Rules of Thumb have been added. The incompressible liquids are rough linear approximated based on data available from the manufacturers’ web sites. Literature: https://doi.org/10.1016/B978-0-12-387785-7.00012-8
Documentation for all TILMedia interfaces (Excel, Python, MATLAB, …) revised and converted to HTML format in new design
MATLAB and Simulink:
Both interfaces completely revised: compatibility to different and newer MATLAB versions improved. User specific compilation with TILMedia headers possible.
New VLEFluid input choices (beside dT, ph, ps & pT): pd, Th & Ts
Bug fixes
The entropy of TILMedia.DryAir and TILMedia.MoistAir have been corrected. No conversion to obsolete mediums ("TILMedia.Obsolete_DryAir" and "TILMedia.SimpleWater|TILMedia.Obsolete_DryAir").
The entropy of User Liquids, json files with Mode="Polynomial" are corrected. No conversion.
TILMedia 3.14.0
Improvements
The following new Liquid Mixtures have been added to TILMedia. The input of mass or volume fraction can be set via underline and a per cent value behind the name e.g., Dynalene_EG_43 or _54vol (43 equals
TILMedia.Dynalene_Calcium_Chloride *
TILMedia.Dynalene_EG
TILMedia.Dynalene_EG-V1
TILMedia.Dynalene_LC-Bio **
TILMedia.Dynalene_LC-EG
TILMedia.Dynalene_LC-PG
TILMedia.Dynalene_PG
TILMedia.Dynalene_PG-V1
TILMedia.Dynalene_TEG
TILMedia.Tyfocor **
TILMedia.Tyfoxit **
* only wt % input possible% input possible, ** only vol % input possible
TILMedia–Liquids: Dowtherm_A, Dowtherm_A, Baysilone_KT_5, Baysilone_KT_10, Baysilone_KT_20 have been added.
TILMedia.Glysantin & PropyleneGlycolPropyleneGlycol enable input of mass fraction and volume fraction enable input of mass fraction and volume fraction.
The derivatives of pure and mixture gas properties and the corresponding interface functions have been implemented. The derivatives are accessible through the Modelica interface. If the derivatives are implemented, they are used by default. The derivatives are accessible through the Modelica interface, enabling the use of analytic Jacobians, e.g., to increase simulation speed in Dymola.
Bug fixes
TILMedia.Glysantin has corrected interpolation between given mass fractions e.g., Glysantin_37.5 interpolates correct between 30 and 40 % mass fraction. The obsolete variants are available as TILMedia.Obsolete_Glysantin. In the Modelica conversion script records are converted to an obsolete variant.
TILMedia 3.13.0
Improvements
All TILMedia.*-mediums for VLEFluids have improved internal equations. The calculation time is reduced by about 40%.
All VDI 4670 Gases have improved heat capacity, enthalpy, and entropy calculations without numerical noise.
The VLEFluid TILMedia.R1336MZZZ is renamed. Obsolete TILMedia.R1336MZZ is mapped to a new name.
Python:
TILMedia interface is only compatible with Python 3. Improved code and features included (PEP 8, stub-files/autocomplete, …).
Classes, functions etc. are named with lowercase letters. With “python tilmedia.convert my_script.py” is a conversion of TILMedia user scripts possible.
TILMedia for Simulink includes only SLX-files and 64 bit (compatible until MATLAB R2012a).
TILMedia 3.12.1
Hotfix release. No changes in this library.
TILMedia 3.12.0
Improvements
TILMedia.Methanol has been added as VLEFluid.
VLEFluid spline interpolated mediums updated to REFPROP 10: R134a, R1234yf (obsolete variant available), R410A, Methane.
The reference state of enthalpy and entropy of the gases TILMedia.ExhaustGas and TILMediaXTR.MoistAir have been changed.
Improved robustness of dew point calculation of all Gases.
Improved numeric behavior of TILMedia VLEFluids at the critical point.
Fixed issue with parallel computation of different REFPROP mixtures.
TILMedia 3.11.0
Improvements
In all VLEFluids the heat capacity ratio / isentropic expansion factor (gamma) is linearized in two phase region.
Improved multithreaded handling of errors
Added Refprop Interface now supports mixture reference states
Absolute entropy of a gas is now available
Linux: Medium name detection and information parsing for Refprop has been implemented
Modelica:
Added function prototypes to simplify inheritance
Additional files like images, equations, pdf-documents, conversion-scripts, etc. are moved into the resources folder and obsolete files have been removed.
Python:
Support for matrices
Implemented exceptions for errors
Set data path function has been implemented
Bug fixes
For VLEFluid splines and linear interpolated mediums the calculations near critical point and saturation lines are corrected e.g. for cv and cp.
TILMedia 3.10.0
Improvements
About 40 new heat transfer fluids are available as TILMedia.Liquids e.g. by Dynalene, Fragol and Eastman (Therminol & Marlotherm).
Update CoolProp to version 6.4.2.
TILMedia Modelica is using Modelica Standard Library 4.0.0.
TILMedia 3.9.1
Improvements
TILMedia.ORTHOHYDROGEN and TILMedia.PARAHYDROGEN have been added as new VLEFluid models.
R134a, R1234yf and R410A have been added as new spline-interpolated VLEFluid models in TILMedia for Modelica.
New SLE Mediums Copper and Aluminum.
Bug fixes
Fixed derivatives of cubic equation of state model at high pressures.
Fixed unwanted partial compilation of TILMedia functions in Dymola.
Worked on deadlocks in FMUs.
Fix handling of incomplete limit information in Refprop models.
Fix reading of CFG user liquid file format.
TILMedia 3.9.0
Improvements
The TILMedia interface for Python has been updated e.g. the handling of vectors/arrays has been improved and further input choices for VLEFluid-calculations beside dT, ph, ps and pT have been made available.
The documentation has been updated e.g. the medium lists and comments have been expanded and the font-design in the pdf-files has been improved.
The calculation of water and ammonia mixture as VLEFluid, based on "Tillner-Roth et al. (1996)", has been structurally improved and a first implementation of an approach by "Bell et al. (2018)" has been added.
The Multiflash™ interface has been improved. It is now compatible with the newest version 7.1 and has new input choices for VLEFluid-calculations like e.g. Th, pd, pq and Tq.
Bug fixes
The TILMedia interface for Java now supports external mediums e.g. from REFPROP.
The VLEFluid information, which is available in the TILMedia Python interface, now support all mediums by REFPROP (version 10).
TILMedia 3.8.0
Improvements
Multiflash™ interface: The interface to KBCs Multiflash™ allows a detailed calculation of real fluid mixtures (VLEFluids).
The calculations of the partial density derivatives in VLEFluid objects can be deactivated, which results in a significantly higher overall calculation speed of VLEFluid-mixtures.
Bug fixes
The MATLAB Gas.m-model supports TILMedia.ExhaustGas_lambda_1 now.
The frosting of water in Gas calculations depending on pressure and entropy is corrected.
TILMedia 3.7.0
Improvements
TILMediaXTR.METHANE has been added as new gas.
TILMedia.SES36 has been added as new VLEFluid.
New MoistAir model: LibHuAir.MoistAir has been added. (Additional license needed.)
REFPROP 10 has been included with 248 updated and the following 32 new mediums:
Refprop.13BUTADIENE.FLD
Refprop.1BUTYNE.FLD
Refprop.1PENTENE.FLD
Refprop.22DIMETHYLBUTANE.FLD
Refprop.23DIMETHYLBUTANE.FLD
Refprop.3METHYLPENTANE.FLD
Refprop.ACETYLENE.FLD
Refprop.C16.FLD
Refprop.C22.FLD
Refprop.C6F14.FLD
Refprop.CHLORINE.FLD
Refprop.CHLOROBENZENE.FLD
Refprop.CYCLOBUTENE.FLD
Refprop.DEA.FLD
Refprop.EGLYCOL.FLD
Refprop.ETHYLENEOXIDE.FLD
Refprop.MEA.FLD
Refprop.PROPADIENE.FLD
Refprop.PROPYLENEOXIDE.FLD
Refprop.R1123.FLD
Refprop.R1224YDZ.FLD
Refprop.R1243ZF.FLD
Refprop.R150.FLD
Refprop.R407H.MIX
Refprop.R447B.MIX
Refprop.R449C.MIX
Refprop.R458A.MIX
Refprop.R459A.MIX
Refprop.R459B.MIX
Refprop.R460A.MIX
Refprop.R460B.MIX
Refprop.VINYLCHLORIDE.FLD
Installation of Resources-folder with TILMedia Modelica.
Bug fixes
Density derivatives of gas mixtures with condensing component and relative humidity (phi) greater than 100% are calculated correct now.
Steady-state calculation of composition-related properties of VDIWA mixtures with Peng-Robinson EoS works correctly now.
Vapor pressure of VDIWA pure fluids is set to their critical pressure, if temperature is greater than their critical temperature.
Fixed access violation in solver of gas model
TILMedia 3.6.0
Improvements
Added new Liquid TILMedia.Novec7500: "3M™ Novec™ 7500 Engineered Fluid"
Introduced base classes in Modelica
Added new medium class in Modelica
In the Python interface and VLEFluid-object, additional property calculation can be switched off with the use of flags
UserLiquids can be added to FMUs
Implemented surface tension for R1234zez
TILMedia module for Java available (for Windows)
Bug fixes
Improved parallel usage of FMUs which include TILMedia
Avoiding division by zero
TILMedia 3.5.1
Improvements
Fixed upper temperature bounds for VDIWA2006 liquid mediums.
Improved robustness of dew point calculation for Gases.
Improved extrapolation/robustness of VLEFluid TILMedia mediums.
Added thermal conductivity model of Tufeu for ammonia.
Added pseudo pure fluid for air.
New speed of sound models for VLEFluids (Wood, Henry).
Bug fixes
Extrapolation of liquid properties is now thermodynamically correct. Fixed extrapolation of Glysantin and PropylenGlykol. Fixed issues with TILMediaXTR.MoistAir above 647K. Fixed access violation in a transport property model. Fixed names of some exported functions. TILMedia 3.5.0 ===============
Improvements
Transport properties for the following VLEFluid mediums have been implemented: * TILMedia.1-BUTENE * TILMedia.ACETONE * TILMedia.AMMONIA * TILMedia.ARGON * TILMedia.DEUTERIUM * TILMedia.DIMETHYLCARBONATE * TILMedia.DIMETHYLETHER * TILMedia.ETHANE * TILMedia.ETHYLENE * TILMedia.HEAVYWATER * TILMedia.HELIUM * TILMedia.HYDROGENSULFIDE * TILMedia.ISOBUTANE * TILMedia.ISOPENTANE * TILMedia.KRYPTON * TILMedia.M-XYLENE * TILMedia.METHANE * TILMedia.METHYLLINOLEATE * TILMedia.METHYLOLEATE * TILMedia.METHYLPALMITATE * TILMedia.METHYLSTEARATE * TILMedia.MM * TILMedia.N-BUTANE * TILMedia.N-DODECANE * TILMedia.N-NONANE * TILMedia.NEON * TILMedia.NEOPENTANE * TILMedia.NITROUSOXIDE * TILMedia.OXYGEN * TILMedia.PARAHYDROGEN * TILMedia.PROPYLENE * TILMedia.R113 * TILMedia.R116 * TILMedia.R12 * TILMedia.R1233ZDE * TILMedia.R1234YF * TILMedia.R124 * TILMedia.R141B * TILMedia.R143A * TILMedia.R161 * TILMedia.R227EA * TILMedia.R23 * TILMedia.R245FA * TILMedia.R32 * TILMedia.R365MFC * TILMedia.SULFURHEXAFLUORIDE * TILMedia.TOLUENE * TILMedia.XENON The reference state for the enthalpy and entropy of the following VLEFluid mediums has been changed: * TILMedia.ARGON * TILMedia.D4 * TILMedia.D5 * TILMedia.ETHANE * TILMedia.ETHYLENE * TILMedia.ISOBUTANE * TILMedia.MD4M * TILMedia.METHANE * TILMedia.METHYLLINOLEATE * TILMedia.METHYLOLEATE * TILMedia.METHYLPALMITATE * TILMedia.METHYLSTEARATE * TILMedia.N-BUTANE * TILMedia.N-DODECANE * TILMedia.NEON * TILMedia.OXYGEN * TILMedia.PROPYLENE * TILMedia.R113 * TILMedia.R12 * TILMedia.SULFURHEXAFLUORIDE R1234ZE is renamed to R1234ZEE. A new equation for TILMedia.R125 is implemented. A more powerful backend for TILMedia VLEFluids has been implemented. The properties in the proximity of the critical point have been modified for isobutane, cyclopentane and acetone to increase robustness. Robustness of the TILMedia and SplineInterpolation VLEFluids has been increased. Updated Coolprop to Version 6.1.0. Changed reference state for the Liquids Glysantin and Propylenglykol. New Liquid mixtures from the IIR Secondary Working Fluids publication: IIR_SWF.AMMONIA-WATER_XX, IIR_SWF.CALCIUMCHLORIDE-WATER_XX, IIR_SWF.ETHYLALCOHOL-WATER_XX, IIR_SWF.ETHYLENEGLYCOL-WATER_XX, IIR_SWF.GLYCEROL-WATER_XX, IIR_SWF.POTASSIUMACETATE-WATER_XX, IIR_SWF.POTASSIUMCARBONATE-WATER_XX, IIR_SWF.POTASSIUMFORMATE-WATER_XX, IIR_SWF.LITHIUMCHLORIDE-WATER_XX, IIR_SWF.METHYLALCOHOL-WATER_XX, IIR_SWF.MAGNESIUMCHLORIDE-WATER_XX, IIR_SWF.SODIUMCHLORIDE-WATER_XX, IIR_SWF.PROPYLENEGLYCOL-WATER_XX New Liquids from the IIR Secondary Working Fluids publication: IIR_SWF.DOWTHERM_J, IIR_SWF.DYNALENE_MV, IIR_SWF.GILOTHERM_D12, IIR_SWF.3M_NOVEC_HFE7100, IIR_SWF.BAYSILONE_KT3, IIR_SWF.SYLTHERM_XLT, IIR_SWF.MARLOTHERM_X, IIR_SWF.D_LIMONENE Improved precision of TILMediaXTR.MoistAir model. New Refprop mixture files have been added for R407G, R433B, R433C, R449B, R451A, R451B, R452A, R452B, R452C, R453A, R454A, R454B, R454C, R455A, R456A, R457A, R513B, and R515A. Refprop.R1234ze has been renamed to Refprop.R1234zee.
Bug fixes
Caching failures for Refprop mixtures and gas mixtures have been fixed.
TILMedia 3.4.2
Improvements
Enhanced thread-safety of all interfaces.
Improved smoothness of spline interpolated properties with input choice pT and ps.
The reference state of the Peng-Robinson EOS and TILMedia VLEFluids can be changed.
Changed the definition of the critical point for TILMedia VLEFluids.
Rebuild saturation tables of some TILMedia VLEFluids with higher precision.
Bug fixes
Peng-Robinson equation caching is now working correctly.
Transport properties of saturated liquid and vapor for a given temperature are now calculated correctly.
TILMedia 3.4.1
Improvements
New exhaust gas added. TILMediaXTR.ExhaustGas can be parametrized flexibly e.g. for diesel or petrol exhaust gas with various lambda values.
Calculation of wet-bulb and ice-bulb temperature added. Implementation in MoistAir category of Excel and Python, as well as Modelica internal GasObjectFunctions.
Linux compatibility of REFPROP in TILMedia is made.
Interface improvements
VLEFluid-calculations in TILMedia are compatible with Dymola 2017. (The variable "phase" is deleted).
Bug fixes
Memory leaks are fixed, which could occur when a huge number of calculations are made.
Stability improved using VDIWA-VLEFluid mixtures especially in DaVE.
The density of gas mixtures takes the temperature dependency of the condensed liquid phase into account.
TILMedia 3.4.0
Improvements
More than 40 new reference quality equations of state are implemented as TILMedia-VLEFluids. They can replace the slower REFPROP- or CoolProp EOS-implementation. (All mediums listed in TILMedia documentation.)
New REFPROP VLEFluids added (some HFE / Novec among others).
Warning messages for all Liquids implemented. Messages occur when liquid properties leave the valid temperature range.
A modified version of the VLEFluid-Oil mixture model by Thome has been implemented.
The density of gas mixtures now includes the liquid phase.
Transport properties for Acetone and Cyclopentane added.
Numerical improvements for Gases and VLEFluids.
CoolProp updated to version 5.1.1
Interface improvements
In Dymola 2016 FD01 (Modelica) the graphical Icons are not flipped any more. TILMedia-Icons displayed now correct.
Bug fixes
Gas mixtures inclusive Moist Air are handling freezing/icing correctly now.
Gas temperature above 100 °C and input of relative humidity phi working correctly now.
The VDIWA (2006) Gas entropy is calculated now correctly.
Spline interpolation based VLEFluids calculate the liquid thermal conductivity in the two phase region now correctly.
TILMedia 3.3.1
Improvements
Optional REFPROP internal interpolation feature for VLE-fluid-mixtures can be activated with flags/parameter-settings.
The Gas interface now enables the user to define the dry air composition and the humidity information separately.
Interface improvements
In MATLAB and in Simulink are calculations of REFPROP*.mix-files as pseudo pure fluid (with fixed mixing ratio) possible.
TILMedia for Modelica is now compatible with Dymola 2016.
Bug fixes
Calculation of liquids with input choice ph was partly wrong. Therminol72, TyfocorL33, ZitrecM10, ZitrecM20 among others are working properly again.
Transport properties like dynamic viscosity of Oil_15W40 and Aral_0W30 corrected.
Calculation of isobaric thermal expansion coefficient for Glysantin is new and correct now.
Installation of TILMedia-COM-Server, DIAdem, VBS/VBA-Interface corrected.
Density of moist gas mixtures above saturation temperature is now correct
Fixed erratic behavior of transport property models as regards TILMedia.* VLEFluids.
TILMedia 3.3.0
Improvements
Refprop source code has been updated to version 9.11 and also FLD/BNC/MIX-files (9.12).
Calculation speed improvement of the Refprop interface.
TILMedia is now thread-safe (but still one medium pointer should be used by only one thread in parallel).
ECS-Model for transport properties has been added for several TILMedia VLEFluids.
New VLEFluids have been implemented, e.g. R-1234ze(E) and R-1234ze(Z).
Transport property model of water has been updated to newer equation.
TILMediaXTR library for gases with extended temperature range (e.g. combustion gases) is now available.
Saturation tables for TILMedia VLEFluids have been rebuilt (this affects in particular the pseudo pure fluids).
TILMedia now distinguishes between cricondenbar and cricondentherm.
TILMedia VLEFluid property model has been revised largely.
Liquid model has been refactored.
Interface to CoolProp has been added.
VDIWA mediums have been renamed to VDIWA2006 (since these are the properties described in VDI-Wärmeatlas published in 2006).
Interface improvements
LabVIEW-Interface for TILMedia 3 has been added.
Bug fixes
Reset of cache in VLEFluids TILMedia mediums is now working correctly.
dT-input choice for TILMediaRT mediums is now calculating more robust and faster.
TILMedia 3.2.3
Improvements
Ethanol: new implementation of fundamental equation of state.
Liquid type Therminol72 added.
More stable calculations of TILMedia VLEFluids at critical point implemented.
Interface improvements
Simulink-Interface for TILMedia 3 added.
Python-Interface for TILMedia 3 added.
Display of TILMedia-messages (errors & warnings) in Matlab & SimulationX implemented.
Various Moist Air Excel functions are edited for better usability.
Bug fixes
Functionality of Propylenglykol fixed.
Bug fixes in psxi and dTxi input calculation.
TILMedia 3.2.2
Improvements
Build a refprop.dll for TILMedia to enable multi-threading especially in DaVE (TLK-Software).
Documentation for Excel improved and temperature range for liquids added.
Interface improvements
Matlab-Interface for TILMedia 3 added.
Bug fixes
Input of variable names for VLEFluid-mixtures improved.
Internal calculation optimization in one- and two-phase regions.
TILMedia 3.2.1
Improvements
Modelica documentation improved.
Bug fixes
Internal caching problems fixed for calculation of transport properties of VLEFluids.
License check for Microsoft Excel and COM-Server fixed.
TILMedia 3.2.0
Improvements
Refprop updated to version 9.1.
Mixture functions in Excel Add-In implemented.
All 275 VDI-Wärmeatlas media (including transport properties) can be used and mixed.
Interpolated spline media for air, methane and R134a added.
Liquid SHC XMP320 Synthetic Gear Oil added.
Functions for triple point (p,T) added.
Bug fixes
Internal solver problems fixed for calculation of equations of state.
TILMedia 3.1.0
Improvements
Refprop FLD files have been updated: R-1234yf, R-1234ze(E), Novec 649, Novec 7000.
Liquid type AddinolXW15 added.
All gases can be mixed.
NASA Glenn Coefficients for ideal gases have been added.
Interpolation based VLEFluids have been added.
Error messages improved.
Bug fixes
Partial derivatives of the density and molar mass of pure gases fixed.
Viscosity of gas mixtures fixed.
TILMedia 3.0.2
Improvements
Switched to the same surface tension model as Refprop for R134a.
Liquid types ZitrecM10 and ZitrecM20 added.
Added VLEFluids O-Xylene, M-Xylene, P-Xylene, Ethylbenzene
Prevented Prandtl < 0 for different cases.
Added algorithm to calculate partial derivatives of Refprop Mixtures.
Enlarged range of validity of Gases.
Gas mixtures now can handle negative mass fractions.
Bug fixes
Fixed caching issues for VLEFluids and Gases.
Rebuild saturated property table of R134a, R744, R717, R718, GERG-CO2, Ethanol, AstinaSatoR134a.
Critical surface tension for interpolated VLEFluids fixed.