pulse tube

Because fuel distribution in detonation chamber governs the performance of pulse detonation engine ( PDE), some controlled fueling experiments were designed to test the effect of partial tube fills on PDE performance.

因为爆震室中燃料的分布和填充程度决定了脉冲爆震发动机（PDE）的性能，故试验中精心控制燃料填充程度，以研究爆震管中填充程度对脉冲爆震发动机性能的影响。

A pulse tube refrigerator driven by a traveling wave thermoacoustic prime engine has no moving parts.

采用热声发动机驱动脉冲管制冷机,使彻底消除低温制冷机中的运动部件成为可能.

Development of a two stage pulse tube refrigerator working below 4K

低于4K温度工作的二级脉管制冷机研制

An overview of the present status and the future prospects are described. The important technique innovations and the progressive tendency on the regenerative refrigeration technology of the pulse tube, G-M, Stirling and Boreas refrigerators are summarized.

概述回热式（不包括非回热式）气体制冷技术的现状和前景，对PT，G－M，St和Boreas等各种制冷机的重大技术革新进行了扼要介绍，指出发展趋势。

Basing on theory of noise it is obtained detection equation of neutron streak image tube, from which minimal detectable neutron yield threshold of neutron pulse is induced. Also the influence of sensitivity of recording system on the detection threshold is discussed.

本文从噪音理论出发导出了中子扫描变象管的探测方程，从而求得了中子扫描变象管可探测的最小脉冲中子产额，而且讨论了记录系统灵敏度对探测阈的影响。

The DC flow in pulse tube cooler not only deteriorates the cooling capacity greatly, but also the key factor causes temperature instability.

脉管制冷机中的直流流动不仅削弱了制冷机热力学性能，而且还是引起制冷温度不稳定的重要原因。

The authors give a novel conception that in order to increase the cooling capacity of a pulse tube refrigerator at 80K temperature range, refrigerant mixtures are introduced instead of pure helium.

提出了采用合适的混合工质代替纯质氦以提高脉管制冷机在80K温区制冷量的新构思。

Spray loss in pulse tube is proposed for the first time.

脉冲管冷端和热端的层流化元件是脉冲管制冷机的重要部分.

Pulse tube refrigerator: a new cold source for low-temperature cabinet

低温箱的新冷源：脉冲管制冷机

Study on a 4K two stage pulse tube refrigerator with double orifices

4K双小孔型二级脉管制冷机研究

Performance study of a single-stage pulse tube cooler below 13 K

低于13K的单级脉管制冷机性能研究

A pulse tube refrigerator driven by a thermoacoustic engine is a new type of cooler, which use the power from thermoacoustic engine that based on the thermoacoustic effect.

热声驱动的脉管制冷机是以基于热声效应的热声发动机作为脉管制冷机的驱动源来达到制冷效果的一种新型制冷装置。

An experiment on a single-stage G-M type coaxial pulse tube refrigerator was introduced.

介绍了 单级 G -M 型同轴脉冲管制冷机,双向进气方式采用两个方向相反的阀门并行布置.

A New Type of Refrigerator: Pulse Tube Refrigerator with Low Temperature Switching Valve

一种新型制冷装置&低温阀切换式脉冲管制冷机

Thermodynamic analysis and experimental data demonstrated that the symmetry spray nozzle can decrease the flow resistance and entropy generation, resulting in the improvement of the refrigeration performance for the pulse tube refrigerator.

理论分析和初步的实验研究表明，通过合理的喷嘴曲线设计，在相同功耗下，可进一步降低制冷温度，提高脉冲管制冷机的性能。

By use of subnanosecond pulse discharge tube, a pulse generator of high voltage ( kilo-voltage degree) and short risetime ( subnanosecond degree) can be obtained.

利用亚纳秒脉冲放电管可以获得快前沿〔亚ns级〕高幅值〔kV级〕毫微秒脉冲。

The newest research direction about pulse tube refrigerator is multi-stage cryocooler driven by valveless compressor.

介绍了国外最新开展的关于脉冲管制冷机的研究方向:无阀压缩机驱动的 多级 脉冲管制冷机.

Taking the basic pulse tube cooler for example, the thesis calculates optimal diameter of the regenerator and value of the optimal work frequency by processing the program, which provides a new idea for how to further improve the working structure of the pulse tube cooler.

本文以基本型脉管制冷机为例，通过编制程序，计算得出了系统的最佳回热器直径和最佳工作频率值。

Application of pulse tube refrigerator in the measurements of high Tc superconductivity

脉冲管制冷机在高温超导电性测试中的应用

Study on the Relations between Structure Parameters of Subnanosecond Pulse Discharge Tube& It's Output Pulse Parameters

高压亚纳秒脉冲放电脉冲参量与放电管结构参量关系的研究

Analysis and Research on acoustic power recovery in pulse tube refrigerator

声功回收型脉管制冷机的分析与研究

Research on Pulse Tube Refrigerator with Low Temperature Switch Valve

低温旋转阀式脉冲管制冷机的实验及理论研究

Compared with single tube PDE, there are many difficulties in coordinate work of each pulse detonation tube.

与单管脉冲爆震发动机（PDE）相比，多管PDE在将面临各脉冲爆震管协调工作的设计难点。

Simulation and experimental study of pulse tube cooler driven by thermoacoustic engine

热声发动机驱动的脉管制冷机模拟及实验研究

In the preliminary experiments the adiabatic expansion efficiency of orifice pulse tube with low temperature switching valve can be higher than 40%. These results show the application prospects of the machine.

对带低温切换阀的小孔气库型脉冲管的等熵膨胀效率的初步实验结果表明，其等熵效率可达40%以上，显示了一定的应用前景。