Cooling performance of a 4K pulse tube refrigerator
アイシン精機株式会社
@朱 紹偉, 野川 正文, 桂川 真治, 市川 正浩, 井上 龍夫
Over 1W cooling power at 4.2K and 30W cooling power aroud 45K was gotten by a pre-cooling type two stage 4K pulse tube refrigerator with 1.5 metter long connecting tubes between the cold head and rotary valve by about 7.5kW compressor input power.