Browse Publications Technical Papers 2019-01-0376
2019-04-02

Numerical Analysis and Optimization Design of a Centrifugal Compressor’s Volute for PEM Fuel Cell Vehicle 2019-01-0376

Centrifugal compressors used in polymer electrolyte membrane fuel cell systems are different from turbochargers in internal combustion engines, because they are required to work at high speed, low mass flow rate, narrow range which nears surge boundaries. In order to meet these requirements, a centrifugal compressor’s volute is designed, analyzed and optimized on its cross-section area, shape of volute tongue and tapered angle of exit. The numerical results show that surge boundary of the compressor is influenced by spiral area significantly and that volute tongue has a major impact on aerodynamic performances at high mass flow rates.

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