自行研制了热声驱动脉管制冷机实验台,着重研究了加热温度、平均工作压力、小孔开度、工质种类等因素对脉管制冷机性能的影响.初步实验表明,以氮、氦及氦和氩混合物(氦占94%)作工质,分别获得了234.5K、179K及165K的无负荷制冷温度.此外,本文还指出了进一步改进方向,具有一定参考价值.
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