JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2016, Vol. 46 ›› Issue (5): 116-119.doi: 10.6040/j.issn.1672-3961.0.2016.165

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The influence of transmission loss on the cold of Stirling cryocooler

WEI Lulu1, LAI Yanhua1, LU Yongda2   

  1. 1. Suzhou Research Institute of Shandong University, Suzhou 215028, Jiangsu, China;
    2. The 16th Research Institute of CETC, Hefei 230031, Anhui, China
  • Received:2016-05-14 Online:2016-10-20 Published:2016-05-14

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Abstract: To consider the characteristics of cold transmission loss between Stirling cryocooler and large infrared focal plane, the thermal radiate loss, heat conduction loss and linking loss were studied in the process of transmission of cold. The coating of dewar, the layers of cold chain, the numbers of supporting column and reducing radiate loss in the process of the transmission with the single sided aluminum plating were studied by the experiment using self-developed refrigerator col transmission. The results showed that surface area of the dewar is greater than coating in the thermal radiate loss, the package way was adopted to improve the radiate loss, the heat conduction kept constant when the structure of the stanchion were fixed, and the transmission loss had a good advantage with 6 layer 0.1 mm thickness of the cold chain. The research is helpful to improve the efficiency of refrigeration.

Key words: heat conduction loss, linking loss, Stirling cryocooler, radiate loss, cold chain

CLC Number: 

  • TK124
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