Changelog for CoolProp ====================== 4.2.6 ----- CRITICAL BUGFIX: Repaired memory corruptions thanks to clang AddressSanitizer All users should install this bugfix!! 4.2.5 ----- Bugfix: Fixed mysterious bug referenced in https://github.com/CoolProp/CoolProp/issues/86 . 4.2.4 ----- Bugfix: Thermal conductivity for R404A off by a factor of 1000 4.2.3 ----- Bugfix: Fixed H,P inputs for incompressibles 4.2.2 ----- Bugfix: Fixed crashing behavior with invalid input keys to Props function 4.2.1 ----- Bugfix: Fixed bug in conductivity for Air, argon, oxygen at low densities 4.2.0 ----- * MAJOR: CoolProp now only used in Modelica through ExternalMedia * MAJOR: Fixed the transport properties for a few fluids that had unit errors in conversion from kSI to SI units * MINOR: Added acetic acid * MINOR: Removed quantities support to Props function. I don't think anyone was using it * Added third partials for residual Helmholtz energy for SAFT term * Fixed building for MATLAB on linux * Fixed some problems with R407C around critical point * Rudimentary wrappers for LibreOffice and Scilab added * Added improved ancillary fitter * Fixed handful of bugs in the humid air routines * Many other small bugs 4.1.2 ----- * Fixed default calling convention on 32-bit windows to set back to __stdcall. This change should fix DLL-based wrappers that want __cdecl calling convention 4.1.1 ----- * Fixed EES wrapper * PropsSI function gives correct units for python 4.1.0 ----- * MAJOR: Added unit testing at the C++ level based on Catch * Added EOS for Methanol from Piazza based on SAFT association term * Added ``Prandtl`` as an output variable * Predefined mixtures (R404A, R410A, R407C, R507A, Air) can be used with REFPROP using a fluid name like "REFPROP-MIX:R410A.mix" where R410A.mix is a predefined mixture file in the mixtures folder of REFPROP * Export HAProps in Javascript * Improved some edge cases for ``P``, ``S`` inputs * Added wrappers for Maple and Mathematica * Added PropsSI function to DLL that always takes and returns SI units * Improved EES support for newer versions of EES that broke CoolProp support (EES strings are not case sensitive) * Added upper-case aliases for all fluids and input variables (to support EES) * Fixed TTSE and dylib compilation on MacOS * Added basic wrappers for Fortran and C * Added incompressible fluids AS10, AS20, AS30, AS40, AS55, ZS10, ZS25, ZS40, ZS45, ZS55 4.0.0 ----- * API CHANGE: Some functions have been condensed, functions get_errstring, get_REFPROPname, etc. have been rolled into get_global_param_string. * MAJOR: Code now is on github (https://github.com/ibell/coolprop) * MAJOR: Internally all units are SI, functions should do the necessary conversions using conversion_factor() and get/set_standard_unit_system() * MAJOR: Brines and incompressible liquids are added to CoolPropStateClass * MAJOR: Preparing to phase out of DerivTerms function, Props now handles derivatives as well. * Wrappers added for Java, Javascript, MathCAD, MathCAD Prime * Improved wrapper for Labview (Thanks to the Sergei and guys at UGent) * Improved plotting in Python (Thanks Logan) * Improved Modelica wrapper and added incompressible fluids with p,T and p,h as state variables * Added viscosity for n-Hexane * Added R1233zd(E) * Added more incompressible liquids: Therminol D12, Therminol VP-1, Therminol 72, Therminol 66, Dowtherm J, Dowtherm Q, Texatherm 22, Nitrate Salt Blend, Syltherm XLT, Dynalene HC-10, Dynalene HC-20, Dynalene HC-30, Dynalene HC-40, Dynalene HC-50 * Added slurry ice as incompressible solution of either water-ethanol, water-NaCl or water-propylene glycol with solid content as input * Added corrosion inhibitor ZitrecAC, anti-freezing agent Pekasol2000 * Added Lithium-Bromide/water as incompressible solution (Thanks to Jaroslav Pátek) 3.3.0 (revision 660) -------------------- * MAJOR: Added bicubic interpolation to TTSE method. Enable by calling ``set_TTSE_mode(Fluid,"TTSE")`` or ``set_TTSE_mode(Fluid,"BICUBIC")`` (for bicubic interpolation). Default is normal TTSE interpolation * Added deuterium and its isomers from preprint * Isobutane aliases added * More work on incompressible liquids 3.2.0 (revision 619) -------------------- * Added the function PropsU to python wrapper which allows for use of SI of kSI set of units * Both inputs to Props can be iterables * Added the fluid R1234ze(Z) * Renamed R1234ze to R1234ze(E) * H-S works * P-H, P-S fixed * Fixed n-Undecane entropy * Fixes to wetbulb temperature * First code for Mixtures - not exposed through API * CAS numbers added for all fluids - retrieve using the function ``get_CAS_code`` 3.1.2 (revision 577) -------------------- * Added the fluids Fluorine, Methanol, R114, R13, R14, R21, RC318, R12, R113 * Isolines are now available for plots (H/T Jorrit Wronski) * Environmental information on fluids is included, can be obtained using keys GWP100, ODP * Fixed a bug in HAProps between 273.15 K and 273.16 K * Fixed some small bugs in ECS for transport properties * Fixed some bugs in higher derivatives of Helmholtz energy terms 3.1.1 (revision 544) -------------------- * Added the fluid Propyne * Fixed ECS core code * Added ECS parameters and changed reference fluids for a lot of fluids * Fixed Air and H2S transport equations * Fixed compilation bug for sources 3.1 (revision 534) ------------------ * Added the fluids Propylene, Cyclopentane, R236FA, R236EA, R227EA, R123, R152A, R227EA, R365MFC, R161, HFE143M, Benzene, R11, Undecane, R125, Cyclopropane, Neon, R124 * Added the viscosity and conductivity correlations for a lot of fluids * Added surface tension, Lennard-Jones parameters for a lot of fluids * Added enthalpy, entropy as inputs * Added pressure, density as inputs * CoolProp builds on Raspberry PI * CoolProp works in MATLAB on OSX * Python unit tests have been added in wrappers/CoolProp/CoolProp/tests - a work in progress 3.0 (revision 325) ------------------ * Added Tabular Taylor Series Expansion (see documentation) * All the way to the critical point for almost all fluids * Support added for Modelica, Python 3.x and Labview 2.5 (revision 247) ------------------ * Added EES wrapper (r245-r247) * Saturation derivatives dhdp and d2hdp2 (r244) * Caching of Helholtz derivatives in CPState.cpp (r243) * Added Xylenes and EthylBenzene (r242) * Added n-Dodecane, R23, DMC (r241) 2.4 (revision 240) ------------------ * Added the fluids R1234ze, DME, R143a, n-Pentane, n-Hexane, n-Octane, n-Heptane, CycleHexane, 1-Butene,trans-2-Butene, cis-2-Butene,IsoButene, MethylLinoleate, MethylLinolenate, MethylOleate, MethylPalmitate, MethylStearate * Added C# wrappers (built for Windows) (r240) * Added Phase_Trho() and Phase_Tp() functions (r240) * Cleanup of the build process. svnrevision is saved to a file that is built in. Can access the svn revision through the functions get_svnrevision() and get_version() * Added a genetic algorithm to build ancillaries to dev folder (r226) * Added third partial derivatives of all the Helmholtz Energy terms (r238) * Bugfixes: #. Fixed Q(T,rho) (r237) (https://sourceforge.net/p/coolprop/tickets/42/) #. dhdT and dhdrho added back (r232) #. Surface tension now properly has the units of N/m as specified in the docs (r228) #. Fixed bug from Reiner with V and Vda (r227) #. Added a Brent solver to fix the solution for the saturation around the critical point (r220)(https://sourceforge.net/p/coolprop/tickets/38/) #. Repaired saturation LUT (r214-r216) #. Fixed bugs in IsFluidType as well as fixed bugs in Brine entropy calculations (r213) 2.3 (revision 212) ------------------ * Added updated correlations for brines and subcooled liquids from Melinder 2010 (r207) * Added aliases to docs and python and DLL (r211) * Excel wrapper updated to catch errors and output them to a message box * Big speed update to p,Q as inputs (as fast as REFPROP now) (r202) * Doxygen now gets updated as well (r200) * Bugfixes: #. Updated inputs for brines (order doesn't matter) (r208) #. Fixed REFPROP with single-input props (r206) #. Fixed Manifest file for source distro (r206) #. Fixed bug with REFPROP mixtures not being properly parsed (r205 & r212) #. Added a backup Brent method for HAProps when solving at low humidity ratio: closed https://sourceforge.net/p/coolprop/tickets/32/ (r204) #. Added an example to show how to get version of CoolProp: closed https://sourceforge.net/p/coolprop/tickets/34/ (r204) #. Closed the bugs/issues in https://sourceforge.net/p/coolprop/tickets/35/ (r203) #. Resolved memory leak with ECS (r201) 2.2.5 (revision 199) -------------------- * P,h and p,s as inputs solve for almost all fluids under almost all conditions * Octave modules for 3.6.1 and 3.6.2 now build and run properly for VS build on Windows * Builds properly on Linux now * Bugfixes: #. REFPROP.cpp bug with mixtures (r195) #. fixes around critical point (r198) #. Ancillaries for R134a updated in the vicinity of critical point 2.2.4 (revision 192) -------------------- * Does not die if pseudo-pure T,P are in the two-phase region * Fixed bug with dewpoint as an input for dewpoints below 0C * Added a CoolPropStateClass for elegantly handling inputs - internal codebase will soon transition to this entirely * Fixed derivatives of drhodp|h and drhodh|p in two-phase region * Improved ancillary equations for Siloxanes (were terrible!) * Improved ancillary equations for Ethanol * Improved ancillary equations for SES36 * Tmin is now an option for CoolProp and REFPROP fluids - ex: Props("REFPROP-MDM","Tmin") or Props("MDM","Tmin") * T_hp is now faster than REFPROP * Added Excel 2003 Add-in for CoolProp - not clear it is working though * Improved the Distro builder 2.2.3 (revision 172) -------------------- * Added Ethylene, SF6, Ethanol, Methane, Ethane, n-Butane, Isobutane * x(h,p) is much faster due to the avoidance of a lot of saturation routine calls * x(p,Q) is about 200 times faster!! * Added Quality 'Q' as an output * Fixed properties for Air * Fixed ancillaries for Siloxanes 2.2.2 (revision 169) -------------------- * Added MATLAB wrappers and compiled versions on Windows to batch * Added plots to check solvers for (T,p) and (h,p) in subcooled liquid and superheated vapor regions 2.2.1 (revision 166) -------------------- * Added the fluid SES36 * HAProps added to CoolProp wrapper and added to Excel addin * When using pseudo-pure fluid, saturation density are calculated based on solving for density given T,P and guess value given by ancillary for density * Improved saturated vapor ancillary for SES36 * Changed default names: R717 -> Ammonia, R744 -> CarbonDioxide, R290 -> Propane 2.2.0 (revision 164) -------------------- * Added the Siloxanes (MM,MDM,MD2M,MD3M,MD4M,D4,D5,D6) * Added a script that will build all the parts (Excel DLL, Python, MATLAB, etc.) and upload to Sourceforge * Very-alpha code for use of CoolProp in Modelica * Enthalpy and pressure are valid inputs for Brine fluids * Added support for quantities package in Python code (If you provide quantities.Quantity instance to CoolProp.CoolProp.Props, the units will be converted to the default units for CoolProp; Default units can be obtained by calling get_index_units(iParam) as a std::string; If a string for the desired output units is passed to Props the units will be converted to the output units) * Internals of CoolProp changed again, added a function called IProps that uses the integer indices for the input terms as well as the fluids - significant speedup. This is mostly for use with CoolProp.State.State in Python although the same principle can be used elsewhere * Bug fixes for ECS 2.1.0 (revision 154) -------------------- * Added the fluids Hydrogen, Oxygen, and Helium * Added the output term 'accentric' to get the accentric factor of the fluid * Checking of input temperature now yields errors for bad temperatures below fluid min temp * Fixed T(h,p) and T(s,p) in two-phase region * Fixed Units on surface tension to N/m 2.0.6 (revision 147) -------------------- * Fixed entropy of humid air at above-atmospheric pressure (Typo in RP-1485) * Added specific heat of humid air * Changes to setup.py so that it will not build if cython version < 0.17 which is a requirement due to the use of STL containers * Changes to plot module to allow for showing right after plot 2.0.5 (revision 143) -------------------- * Fixed wetbulb and dewpoint calculations - works correctly now * Added wrappers for MATLAB and Octave to subversion code - not included in source distro 2.0.4 (revision 132) -------------------- * Fixed density for subcooled liquid * Fixed setup.py for OSX (I think) * Using cython for wrapping of CoolProp module * CoolProp module - removed T_hp and h_sp - use Props instead * Added IceProps function to HumidAirProps * Added and fixed CO2 transport properties 2.0.1 (revision 122) -------------------- * Implemented the method of Akasaka to calculate the saturation state (works great). H/T to FPROPS for the recommendation * Fixed the calculations for T(h,p) up to a subcooling of 50 K, works fine in superheated vapor * Added the ideal-gas specific heat with key of C0 2.0.0 (revision 107) -------------------- * MAJOR revision to the internals of CoolProp * Entropy added for humid air (Only fully validated at atmospheric pressure) * Added the fluids R22, R1234yf and the 20 industrial fluids from Lemmon, 2000 * Added ECS model for calculation of transport properties (somewhat experimental) * Added surface tension for all fluids. Property key is 'I' for surface tension * Some functions have been removed in order to better handle errors at the C++ level. Tcrit(), Tsat() and pcrit() are gone, in Python call Props('R134a','Tcrit') for instance to get Tcrit * Many other bug fixes. * Documentation to follow. 1.4.0 (revision 75) ------------------- * Internal codebase rewritten in C++ to allow for better exception handling and function overloading * All work now happens in CoolProp.cpp (inspired by FPROPS) * Added 2-D lookup table (temperature and pressure) directly in CoolProp. Enable by calling UseSinglePhaseLUT(1) to turn on, UseSinglePhaseLUT(0) to turn off * Compiled with the -builtin compilation flag * Documentation updated for UseSinglePhaseLUT 1.3.2 (revision 49) ------------------- * Added functions to use Isothermal compressibility correlation UseIsothermCompressCorrelation and ideal gas compressibility UseIdealGasEnthalpyCorrelations 1.3.1 (revision 48) ------------------- * Updated documentation * Added ability to use virial term correlations for Humid air by call to UseVirialCorrelation(1) 1.3 (revision 41): ------------------ * Added pseudo-pure fluid Air using EOS from Lemmon * Added EOS for ice from IAPWS * Updated Humid Air Thermo Props to use analysis from ASHRAE RP-1845, though IAPWS-1995 is used throughout for water vapor * Enable the use of lookup tables for refrigerant saturation properties[ call UseSaturationLUT(1) to turn on, and UseSaturationLUT(0) to turn off] Speed up is very significant! 1.2.2 (revision 35): -------------------- * Added some simple cycles for comparison of different working fluids * Fixed quality calculations to agree with REFPROP