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Javier, If you need properties from the fluids that are not in the FluidProperties() routine then you would need to add them by modifying the Fluids.f90 source code file and then to recompile the TRNDll using a Fortran compiler. Before you try to modify that file, however, I'd like to understand a bit more about the heat pump model that you want to write. For a number of reasons, TRNSYS's heat pump models (primarily in the TESS HVAC Library) rely on a catalog data lookup approach instead of being first principals models. By looking up the capacity and COP at certain operating conditions the models do not rely on the refrigerant properties, which makes for a more flexible and easy to implement model. If you'd like to send me an email directly, please feel free to do so. With a little more explanation about what you're looking for in a heat pump model I may be able to give you some additional direction. kind regards, David
On 01/13/2017 14:33, Javier Vega via
TRNSYS-users wrote:
-- *************************** David BRADLEY Principal Thermal Energy Systems Specialists, LLC 22 North Carroll Street - suite 370 Madison, WI 53703 USA P:+1.608.274.2577 F:+1.608.278.1475 d.bradley@tess-inc.com http://www.tess-inc.com http://www.trnsys.com |