An investigation to reduce the noise generated from a scroll compressor has been conducted. It has been found that discharge gas pulsation is one of the major causes of scroll compressor noise. In order to reduce this noise, the characteristics of the pressure wave of the discharge gas were calculated. The flow of the gas which was compressed and discharged from the compression elements was then numerically analyzed. A simulation of the pressure wave of the discharge gas was developed and good agreement with experimental results was found. Reduction of the discharge gas pressure wave was attained by calculation and verified by experimentation.
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