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3 May 2010 Performance of the SITP 35K two-stage Stirling cryocooler
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This paper presents the design, development, optimization experiment and performance of the SITP two-stage Stirling cryocooler. The geometry size of the cooler, especially the diameter and length of the regenerator were analyzed. Operating parameters by experiments were optimized to maximize the second stage cooling performance. In the test the cooler was operated at various drive frequency, phase shift between displacer and piston, fill pressure. The experimental results indicate that the cryocooler has a higher efficiency with a performance of 0.85W at 35K with a compressor input power of 56W at a phase shift of 65°, an operating frequency of 40Hz, 1MPa fill pressure.
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Dongyu Liu, Ao Li, Shanshan Li, and Yinong Wu "Performance of the SITP 35K two-stage Stirling cryocooler", Proc. SPIE 7660, Infrared Technology and Applications XXXVI, 76602P (3 May 2010);

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