The core component of Pressure Exchanging Refrigerator (PER) is wave rotor, in which the low temperature gas is obtained by energy exchange between two fluids with shock wave and expansion wave.
压力交换制冷机以波转子为核心部件,通过在波转子内部产生激波和膨胀波来实现气体间压力能与热能的转化,达到制冷的目的。
参考来源 - 压力交换制冷机结构优化研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Chris Retzler has built a prototype of a machine called the wave rotor.
克里斯·雷兹勒做出了一台叫做波转子的样机。
The software which controls this process is able to measure the success of previous changes to the rotor Angle and use that information to fine-tune future attempts to dampen wave-induced movement.
调节这一过程的软件能够记录前几次转轮角度的成功调整，然后用这一信息优化下面的调节，缓和海浪引发的摇动。
An electric contact method to measure contact state of stator and rotor in traveling wave type ultrasonic motor (TWUSM) is presented.
提出了一种直接测量行波超声马达定子和转子接触状态的方法—电接触法。
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