Compressor Discharge Pipe Failure Investigation With A Review Of Surge, Rotating Stall, And Piping Resonance.

Rotating stall, even with multiple cells, can contribute to piping excitation due to acoustic energy traveling down the pipe as a plane wave. The main objective of this paper is to describe causes and solution of fatigue cracks in discharge piping due to two forms of acoustic energy, with occasional direct surge loading of a 50,000 hp centrifugal compressor. Described are transverse modes of the gas inside pipes, as well as structural mode interaction of pipe shell 49 COMPRESSOR DISCHARGE PIPE FAILURE INVESTIGATION WITH A REVIEW OF SURGE, ROTATING STALL, AND PIPING RESONANCE

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