Senno,
A recip is a fixed volume compressor, so a performance curve doesn't do much for you. I advise you to read the Section 6.2 in the HYSYS Operations Guide and
tech solution id 112519.
When you have added the compressor on your flowsheet, on its Design tab / Parameters page select Recip compressor, then on the Settings page, you can set the other parameters.
Default values are added for all parameters with the exception of: typical design speed (rpm), volumetric efficiency (%), and speed (rpm). Volumetric efficiency will be a calculated value and should be left empty.
Typical Design speed (rpm) - Enter design speed for the compressor. This should be from compressor datasheet if available.
Speed (rpm) - Enter the current/desired compressor speed. This speed will be used in determining the current flow rate through the compressor.
The default values for all other parameters should be updated with values for the compressor that is being simulated.
Specify the compressor outlet pressure. HYSYS will calculate the flow though the compressor based on the parameters entered. Changing speed and/or loading/unloading cylinders will change the flowrate through the compressor.
Cheers,
Joerd
Please see FAQ731-376 for tips on how to make the best use of Eng-Tips.