November 2014, Vol. 241, No. 11

TechNotes

Dresser-Rand Noise Tests Largest Pipe Resonator Array Ever Produced

Dresser-Rand Group recently carried out a noise test for the largest pipe resonator array ever produced. Conducted on a 30-inch pipe, it was intended to confirm the estimated noise attenuation on a compressor operated by Norwegian-based Statoil. The project involved two complete compression trains with DATUM® D18 centrifugal compressors, operating on a platform in the North Sea, 40 miles west of Statoil’s Kollsnes gas processing plant. In order to reduce noise Dresser-Rand installed a diffuser resonator array at the first and last stages of the compressor and a pipe resonator array on the inlet and discharge process piping. “We could install an internal resonat

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