September 2011, Vol. 238 No. 9


Advanced Pulsation Analysis For Reciprocating Compressors

Pulsation fluid models for reciprocating and screw compressor piping have become more sophisticated as the horsepower and speed ranges for the compressors have increased. This is due, in large part, to the need to more reliably predict system responses for control of high vibrations. Using more advanced computational models, fluid system designers at Southwest Research Institute (SwRI) have been able to more accurately determine expected fluid pulsation levels and corresponding response frequencies and mode shapes, resulting in more efficient and reliable pulsation bottle designs with lower horsepower consumption. This article highlights some examples of the use of advanced fl

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