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实验测量了小孔阀门、不同长度长颈管和变截面长颈管做调相机构的高频脉冲管制冷机的频率特性,通过冷端相位差和压力波幅值的变化分析了不同调相方式对制冷性能的影响规律,并在实际制冷机的降温实验中进行了验证.

Frequency characteristics of pulse-tube cryocoolers using valve orifice and different inertance tubes are measured,respectively.The effects on cooling ability are analyzed by phase-shift angles and amplitudes of pressure waves.The results are validated by the cooling temperature in true coolers.

参考文献

[1] K M Godshalk;C Jin;Y K Kwong.Characterization of 350 Hz Thermoacoustic Driven Orifice Pulse Tube Refrigerator[M].New York,1996:1411-1418.
[2] R. Radebaugh .Development of the pulse tube refrigerator as an efficient and reliable cryocooler[J].Australian refrigeration, air conditioning & heating: AIRAH journal,2001(3):21-24,26-27-0.
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