I have confusion in Simscape Co2 transcritical system example. How you had designed compressor i dont get it and why you used PS LOOK UP TABLE 2D IN COMPRESSOR. Do i need a specific date to run this

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I am doing simulation of CO2 transcritical system.

Answers (1)

Yifeng Tang
Yifeng Tang on 21 Sep 2022
The 2D LUT and an ideal flow rate source is to represent the BEHAVIOR of a compressor. If the pressure ratio (outlet/inlet) rises, the flow rate drops, and if the compressor RPM increases, the flow rate increases. The 2D LUT basically describes these behaviors. If you plot flow vs pressure ratio at different RPMs, you'll get a figure of the compressor map.

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