affiliation not provided to SSRN
liquid-helium temperatures, variable cross-sectional regenerator, refrigeration efficiency, the refrigeration temperature, Stirling-type pulse tube cryocoolers, the performance improvement
HELIUM LIQUEFACTION, TEMPERATURE-DISTRIBUTED REFRIGERATION METHOD, REGENERATIVE REFRIGERATOR
temperature-distributed, regenerative refrigeration cycle, uniform heat load model, refrigeration power generation
Two-section refrigeration, Regenerative refrigerator, Temperature-distributed refrigeration, Hydrogen liquefaction