An improved numerical model and calculation method for stability simulation of a novel type of a pulse tube refrigerator.
第一部分给出了脉冲管制冷机数值模拟的基本方程和改进的数值计算方法。
The paper introduces a new rotating speed measuring method for diesel engine utilizing pressure pulse signal on the tube wall of high pressure fuel injection system of diesel engine.
本文介绍一种利用柴油机高压泵喷油管壁上的压力波脉冲信号，来测量柴油机转速的新方法。
Monte Carlo method was used to simulate the distribution of the pulse gas along the axis of the neutralizing tube.
对于中和室内的脉冲气体，用蒙特卡罗方法模拟了气体压力沿轴向的分布。
Using this method, some useful conclusions have been made for analyzing orifice and double inlet pulse tube refrigerators.
将该方法运用到小孔型及双向进气型脉管制冷机的分析，得出了一些有益的结论。
The technological process of ACI gold plant, the tube gravity concentrator and the pulse-jet method all have peculiarities.
其中如阿希提金流程、管式金属富集器、脉冲-射流方法等都很有特色。
On the base of linear velocity method, a novel method for making equivalent PV diagram at the cold end in a pulse tube refrigerator has been proposed. It is simple and it can also be easily used.
在脉管制冷机线性气流速度分析法的基础上，提出了一种新颖的脉管制冷机等效pV图制作方法，该方法直观、简便、宜于使用。
Use single stage version to reach the temperature of 20 K is a difficulty for high frequency pulse tube cooler (PTC). Multi-stage version is a popular method to reach the low temperature.
单级高频脉冲管制冷机直接降低到20K以下温区存在很大困难，采用多级方案是高频脉冲管制冷机获得更低温度的主要方法。
Use single stage version to reach the temperature of 20 K is a difficulty for high frequency pulse tube cooler (PTC). Multi-stage version is a popular method to reach the low temperature.
单级高频脉冲管制冷机直接降低到20K以下温区存在很大困难，采用多级方案是高频脉冲管制冷机获得更低温度的主要方法。
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