How can a fully variable vane compressor be simulated using HYSYS?

In HYSYS, the compressor model by default is centrifugal; for axial flow compressors, you can try using the centrifugal compressor model and adjust its parameters so that its output matches the actual performance curve of an axial flow compressor. When entering the performance curve of a fully static vane adjustable compressor, it is possible to use the Adjust function in HYSYS’s compressor design mode to modify parameters such as flow rate, pressure ratio, and efficiency, so that they match the specified performance curve. At the same time, HYSYS’s compressor Performance Map function can be used to input detailed performance data in order to simulate the compressor’s behavior more accurately. If a perfect match is not possible, it may be necessary to consider using external computing software or developing one’s own model to interface with HYSYS. .

Thank you very much. There is one more question I would like to ask. For centrifugal compressors, I input a set of curves and then perform a dynamic simulation. During the dynamic process, the temperature or pressure of the inlet air is adjusted, but it is necessary to keep the temperature of the outlet gas constant. How should this be controlled? By controlling the speed? Or through other means? Thank you.

Bro, how did you solve that issue in the end? I’ve run into similar problems as well, especially with the dynamic simulation of variable axial-flow IGVs; there’s always an issue with the efficiency interpolation, and the values obtained are quite different from the actual values

Bro, when using a centrifugal compressor module to simulate an axial flow compressor, after entering the performance data into the performance map, the efficiency values obtained through cubic interpolation during dynamic simulation of variable IGVs are incorrect. I was wondering how this efficiency can be calculated using spreadsheets or external calculation software