The optimum phase difference between pressure and gas flow at pulse tube cold end can be achieved by controlling phase of the input pressure at each regenerator hot end.

• 分析表明,该调相方法可使脉管冷端流量与压力同相,从而使制冷量最大,而且相比于传统的小孔加气库型和双向进气型脉管制冷机,其制冷效率大大提高。