フリーピストン型ヴィルミエヒートポンプの研究 : 試作機のモータ駆動時運転特性

概要

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Dynamic motion of displacers and basic performance characteristics at forced vibration of a free piston Vuilleumier heat pump (FPVM) were investigated experimentally and compared with 2nd order simulation results. One of a pair of one hot and one cold displacer was driven by a linear motor. Sensitivity studies were conducted with respect to key operational and environmental parameters such as driving frequency, hot gas temperature and motor input power. The dependences of phase angle and strokes of displacers on the basic performance of the Vuilleumier heat pump were also examined by driving both displacers of the FPVM prototype machine in order to investigate the performance characteristics of the FPVM operated at various phase angles and strokes. The dependence of the phase angle on the driving frequency of the hot displacer was opposite of the dependence on the driving frequency of the cold displacer. It was found that the simulation results agreed well qualitatively with the results of experiments.
一般社団法人日本機械学会の論文
1996-06-25