reference pressure and relative pressure in CFX and real gas setting
good morning everyone
i was confusing to set my simulation model, i simulate multistage centrifugal compressor. but i have simple question for you (CFX lovers). i confused for setting in reference pressure. actually i used boundary condition or my model is pressure inlet and pressure outlet. inlet condition i have 24.1 kPa. but i was wondering for setting the reference pressure. because actually the fluid properties is depend on the pressure and temperature. my model would be implemented for desalination system (MVC) so the fluid properties is very important. I used real gas model. does anyone know how can i set for Cp coefficient at the real gas flow using fourth polynomial.
thanks very much for the response
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