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A Study on the Gas Pulsation in a Rotary Compressor  

김현진 (인천대학교 기계공학과)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.14, no.8, 2002 , pp. 648-655 More about this Journal
Abstract
For a discharge system of rotary compressor, analytical investigation on the discharge gas pulsation has been carried out. With the aid of four pole theory, acoustic impedance of the discharge system composed of muffler and cavities on both sides of motor with gas passages between them can be calculated using discrete acoustic elements described by transfer matrices, yielding the relationship between discharge mass flow rate and gas pulsation at the discharge port. This method of predicting the gas pulsation was validated by measurement data. Effects of change in discharge muffler geometries on the gas pulsation also were investigated, demonstrating that this method can be used for muffler design.
Keywords
Rotary compressor; Gas pulsation; Four pole theory; Acoustic transfer function;
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Times Cited By KSCI : 3  (Citation Analysis)
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