Positive Displacement compressors/blowers can be considered to provide a fixed flow for steady state analysis. The positive displacement compressor/blower allows for a fixed flow to be defined in a straightforward manner.

To model a positive displacement compressor/blower, select the Positive Displacement option on the Compressor Model tab of the Compressor/Fan Properties window.

Parameter

• Volumetric Flow Rate - Fix the volumetric flow rate through the compressor/blower.

• Mass Flow Rate - Fix the mass flow rate through the compressor/blower.

Fixed Condition

• Fixed Flowrate - The value and unit of the fixed flow amount.

• Nominal Efficiency - A fixed efficiency, useful to calculate power requirements.

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