Centrifugal compressor efficiency
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The ways to improve the efficiency of the recycle hydrogen compressor are ( AB ). A. Reduce the impeller diameter B. Increase the number of impeller stages C. Increase the impeller diameter D. Reduce the number of impeller stages. Why does reducing the impeller diameter improve the efficiency of the compressor? ? ? ?
Make the compression process as isothermal as possible; reducing the impeller diameter lowers the single-stage compression ratio, since it is not possible to cool the gas during the single-stage compression process.