A Study on the linear Compressor Characteristics of The Stirling Refrigerator

KIMM, Hanyang Univ.^A

@Deuk-Yong Koh, Yong-Ju Hong, Seong-Je Park, Hyo-Bong Kim, Kwan-Soo Lee ^A

　 The purpose of this study is to analyze the characteristics of the linear compressor for Stirling refrigerator. To ensure high performance and long life of the FPFD(Free Piston, Free displacer) type Stirling refrigerator, the operating parameters of the linear compressor should be optimized. The experimental results show the operating frequency of the linear compressor has significant effect to the input power characteristics, and the compressor with higher charging pressure of working fluid has high pressure ratio. For the high performance of the linear compressor, compressor has uniform magnetic force with different stroke, the optimal operating frequency with respect to the charging pressure.