• Viewed from inside the tube, this field looks like an accelerating electrical pulse, and it is this pulse that picks up and carries the electrons-or, if the polarity is reversed, the protons.

    电场就如同一个加速电流脉冲脉冲可选中携带电子,或极性逆转时选中并携带质子

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  • In the paper, the high frequency pulse tube coolers (PTCs) developed for 80 K and below temperature application are introduced.

    首先介绍了作者开发的可用于80K以下区的高频脉冲制冷机

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  • Tube electromagnetic forming is realized by magnetic pulse force.

    管件电磁成形依靠脉冲力来实现的。

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  • The experiment focuses on the temperature of the gas in the hot end heat exchanger, the temperature decline of the cold end of the pulse tube and pressure amplitude.

    进行三个脉冲行波型声发动机配合实验着重研究气体温度压力振幅变化规律。

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  • The sensitivity of liquid scintillation detector for DT neutrons is measured with pulse neutron tube.

    本文通过脉冲中子测量了液体闪烁探测器DT中子灵敏度

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  • 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制冷机数值模拟基本方程改进的数值计算方法

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  • The experimental table of pulse tube cryocooler includes refrigerator system, measuring system, data collecting system and vacuum system.

    脉冲制冷机实验包括制冷机系统测量系统、数据采集系统真空绝热系统。

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  • J - t loop is precooled by two - stage pulse tube cryocooler in order to obtain liquid helium temperature.

    系统设计脉冲制冷机预冷小型节流制冷机获得液氦温区环境。

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  • The chemical kinetics for the pyrolysis of epichlorohydrin was studied by single pulse shock tube in 840-950k.

    本文840 ~ 950k范围内应用脉冲化学激波管测定环氧氯丙烷裂解反应动力学

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  • A numerical model for simulating the oscillating flow characteristics in a high frequency miniature pulse tube refrigerator was developed.

    利用数值方法模拟高频微型同轴脉冲管制冷机内部气流交变流动和换热过程。

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  • Matching characteristics among linear compressor, regenerator, pulse tube and inertance tube have large impact on the performance of high frequency pulse tube cryocooler.

    线性压缩机、回热脉冲以及惯性耦合特性高频脉冲管制冷机的整机性能很大影响

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  • In order to realize the transportation of grease without flux pulse in the tube, a low-flux pulse pump was developed.

    为了实现润滑脂管路输送流量脉动研制了一种低流量脉动

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

    采用发动机驱动脉冲制冷机,使彻底消除低温制冷机中的运动部件成为可能。

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  • A new type of refrigerator called pulse tube refrigerator with low temperature switching valve is suggested for applications such as gas separation and liquefaction.

    首次提出了一称为低温切换式脉冲制冷机的新型制冷装置。

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  • As a key component, the regenerator plays an important role in the refrigeration performance of the pulse tube refrigerator and other regenerative cryocoolers.

    冷器是脉冲制冷机回热式制冷机关键部件,其性能好坏将直接影响制冷机的性能效率。

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  • These two-stage pulse tube coolers achieve temperatures below 4K.

    这些两级冷却器达到4K以下温度

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  • The paper briefly analyzed the DC-flows existing in double-inlet pulse tube cryocoolers (PTCs) and the measures for restraining them.

    简要分析了双向进气型脉冲制冷机中存在直流现象及其抑制措施

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  • Test results from an experimental investigation of the effect of nozzle on the thrust of a straight tube pulse detonation engine are presented.

    直管脉冲发动机上安装不同类型喷管,利用推力传感器测量了不同频率下发动机的瞬态推力和平均推力。

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  • The test results and the basic configuration of the two stage pulse tube refrigerator are presented. The first stage temperature was 45K.

    文中给出二级脉管制冷机基本结构尺寸以及试验结果一级脉管达到45K

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  • Finally, the calculated velocity distribution at the orifice of the orifice pulse tube refrigerator was presented at the condition of the optimum opening of the orifice.

    最后利用可压缩程序计算了小孔型脉管制冷机小孔处于最佳开度时小孔处气流分布

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  • In this paper an experimental investigation on a recently developed two stage double inlet pulse tube refrigerator with a minor orifice is introduced.

    介绍最近研制双向进气第二小孔阀型二级脉管制冷机实验情况。

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  • In this article, a new kind of pulse tube refrigerator with low temperature switch valve and liquid nitrogen precooler is introduced.

    新型带有液氮预冷低温旋转式脉冲制冷机进行了实验研究,得到了一些意义的结果。

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  • Regenerator is one of the key components of pulse tube cooler, and its efficiency can greatly influence the performance of pulse tube cooler.

    脉管制冷机关键部件之一,效率脉管制冷机性能很大影响

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  • 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制冷机研究方向:无阀压缩机驱动多级脉冲管制冷机。

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  • And the coupling of pulse tube refrigeration and gas wave refrigeration is discussed at last.

    最后脉管制冷制冷耦合进行了探讨。

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  • The cooling temperature and the efficiency of a thermally coupled multistage pulse tube refrigerator are significantly influenced by the heat transfer characteristics of the heat bridge.

    级间热传热特性对于耦合型多级脉管制冷机制冷温度制冷效率具有重要影响

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  • Experiment investigation on multi-bypass and fixed phase shifter comparison in single-stage high frequency pulse tube cryocooler;

    本文采用数值模拟实验研究的方法对高频脉冲制冷机的重力特性进行了对比研究。

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  • The optimization of the operational parameters and the experimental study with helium-hydrogen mixture on the miniature co-axial pulse tube refrigerator are carried out.

    进行微型同轴脉管制冷机系统运行参数优化及氢氦混合工质应用的试验研究

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  • A lowest no-load temperature of 13.8 K has been obtained for the first stage without thermal connector, which is a new record for the single-stage pulse tube cooler.

    在没有连接情况下,单独测试一级最低制冷温度达到13.8K级脉管制冷机获得的最低制冷温度纪录

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  • Using this method, some useful conclusions have been made for analyzing orifice and double inlet pulse tube refrigerators.

    方法运用到小孔型双向进气脉管制冷机的分析,得出了一些有益的结论

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