Study on Pulsations of Reciprocating Compressor Piping Systems

概要

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As a part of the analysis of response of pulsation from a reciprocating compressor complicated piping system, calculation method of pulsation is proposed in this paper which is an extension of natural frequency calculation reported in the preceding paper. Experiment is also conducted in measuring pulsations on the discharge-line of a Diesel engine supercharging air compressor in order to compare with the calculation results. The calculated amplitude of vibration becomes larger in the vicinity of resonant frequency due to the elimination of damping force, but the vibration mode has a perfect coincidence with experiment. Results of both experiment and calculation coincide very well in the non-resonant region. Also assumption of the discharging velocity out of compressor is proved almost correct.
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