摘要
】在分析热声工作机理的基础上，探讨了混合工质在热声制冷机中的作用机理。指出了低Ｐｒ数的混合工质对热声效应的促进作用，为提高热声制冷的性能系数选用合适的工作介质提供了依据。
Based on thermoacoustics, the functioning mechanics of the mixtures in thermoacoutic refrigerator is discussed in details. Low Prandtl numbers are proposed to strengthen the thermoacoutic effect, and then to improve the COPs of the refrigeration system. The mixtures are proposed as the appropriate working fluids in the thermoacoustic refrigeration because its low Prandtl numbers.
出处
《低温与超导》
CAS
CSCD
北大核心
1999年第1期37-42,共6页
Cryogenics and Superconductivity
关键词
混合工质
热声效应
热声制冷
脉管制冷机
Mixtures
Thermoacoustic effect
Thermal penetration depth
Viscous penetration depth.
