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A centrifugal compressor is suitable for which of the following?

A centrifugal compressor is suitable for which of the following? Correct Answer Low pressure ratio, high mass flow

Concept:

Centrifugal compressor

  • Air is drawn into the center of a rotating impeller with radial blades and is pushed toward the center by centrifugal force.
  • This radial movement of air results in a pressure rise.
  • The airflow rate is more than a reciprocating compressor. but the maximum pressure value is less than the reciprocating compressor.
  • Centrifugal compressors were used in jet engines and smaller gas turbine engines.
  • For larger engines, axial compressors need lesser frontal area and are more efficient.

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Pressure ratio for centrifugal compressor = 4 : 1

Pressure ratio for axial flow compressor = 1.2 : 1

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