超高频脉冲管双冷指与压缩机的耦合匹配及优化
Vacuum and Cryogenics(2018)
Abstract
对一台压缩机分别驱动单个冷指和双冷指脉冲管制冷机进行了实验研究.实验发现双冷指脉冲管制冷机制冷性能和效率都不如单冷指脉冲管制冷机,导致性能下降的原因是由于双冷指制冷机的总阻抗与压缩机不匹配.从阻抗的角度研究双冷指制冷机与压缩机的耦合匹配特性,根据压缩机理论PV功转化效率,对与双冷指耦合的线性压缩机进行了参数优化.优化后的双冷指脉冲管制冷机可获得和单冷指脉冲管制冷机几乎一致的理论PV功转化效率.
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