摘要
首先介绍了国际上高频脉冲管制冷机的研究现状及未来发展趋势 ,表明高效高频脉冲管制冷机的产品和样机在国际上已日趋成熟。然后简要介绍了作者近几年在德国研制的高频脉冲管制冷机样机的性能和特点。作者获得的性能和国际上最好性能的比较表明 。
An overview is given about the progress of high frequency pulse tube cryocoolers (HFPTC) in the world and this shows the maturity of HFPTCs in prototypes and products. Very low temperature using multi-stage version, high cooling power and better linear compressors are new research directions. The medium-size PTCs for potential future replacement of commercial Stirling cold fingers developed by author are reported. Six prototype coolers, including inline, U-type, coaxial three kind geometries, were designed and finished for operation with the AIM SL200 compressor or Leybold Polar SC7 compressor. The COP of 4.35% at 80K with 200W of input power is achieved and the lowest temperature of 32.4K has been reached. The performances could satisfied many potential application.
出处
《低温与超导》
CAS
CSCD
北大核心
2003年第3期1-6,共6页
Cryogenics and Superconductivity
