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.
从腔内看,此电场就如同一个加速电流脉冲,该脉冲可选中并携带电子,或在极性逆转时选中并携带质子。
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及以下温区的高频脉冲管制冷机。
Tube electromagnetic forming is realized by magnetic pulse force.
管件电磁成形是依靠磁脉冲力来实现的。
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.
进行三个脉冲管与行波型热声发动机的配合实验,着重研究了热端气体温度、冷端温降和压力振幅的变化规律。
The sensitivity of liquid scintillation detector for DT neutrons is measured with pulse neutron tube.
本文通过脉冲中子管测量了液体闪烁探测器的DT中子灵敏度。
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 experimental table of pulse tube cryocooler includes refrigerator system, measuring system, data collecting system and vacuum system.
脉冲管制冷机实验台包括制冷机系统、测量系统、数据采集系统和真空绝热系统。
J - t loop is precooled by two - stage pulse tube cryocooler in order to obtain liquid helium temperature.
系统设计用两级脉冲管制冷机预冷小型节流制冷机以获得液氦温区环境。
The chemical kinetics for the pyrolysis of epichlorohydrin was studied by single pulse shock tube in 840-950k.
本文在840 ~ 950k范围内应用单脉冲化学激波管测定环氧氯丙烷的裂解反应动力学。
A numerical model for simulating the oscillating flow characteristics in a high frequency miniature pulse tube refrigerator was developed.
利用数值方法模拟了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。
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、回热器、脉冲管以及惯性管的耦合特性对高频脉冲管制冷机的整机性能有很大的影响。
In order to realize the transportation of grease without flux pulse in the tube, a low-flux pulse pump was developed.
为了实现润滑脂在管路中输送的无流量脉动,研制了一种低流量脉动泵。
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。
A new type of refrigerator called pulse tube refrigerator with low temperature switching valve is suggested for applications such as gas separation and liquefaction.
首次提出了一种称为低温阀切换式脉冲管制冷机的新型制冷装置。
As a key component, the regenerator plays an important role in the refrigeration performance of the pulse tube refrigerator and other regenerative cryocoolers.
蓄冷器是脉冲管制冷机等回热式制冷机的关键部件,其性能的好坏将直接影响制冷机的性能和效率。
These two-stage pulse tube coolers achieve temperatures below 4K.
这些两级管冷却器达到4K以下的温度。
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管制冷机中存在的直流现象及其抑制措施;
Test results from an experimental investigation of the effect of nozzle on the thrust of a straight tube pulse detonation engine are presented.
在直管脉冲爆震发动机上安装不同类型的喷管,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。
The test results and the basic configuration of the two stage pulse tube refrigerator are presented. The first stage temperature was 45K.
文中给出了二级脉管制冷机的基本结构尺寸以及试验结果:一级脉管达到45K;
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当小孔处于最佳开度时小孔处的气流分布。
In this paper an experimental investigation on a recently developed two stage double inlet pulse tube refrigerator with a minor orifice is introduced.
介绍最近研制的一台双向进气带第二小孔阀型二级脉管制冷机实验情况。
In this article, a new kind of pulse tube refrigerator with low temperature switch valve and liquid nitrogen precooler is introduced.
对新型的带有液氮预冷的低温旋转阀式脉冲管制冷机进行了实验研究,得到了一些有意义的结果。
Regenerator is one of the key components of pulse tube cooler, and its efficiency can greatly influence the performance of pulse tube cooler.
回热器是脉管制冷机的关键部件之一,其效率对脉管制冷机性能有很大影响。
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。
And the coupling of pulse tube refrigeration and gas wave refrigeration is discussed at last.
最后对脉管制冷与气波制冷的耦合进行了探讨。
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.
级间热桥的传热特性对于热耦合型多级脉管制冷机的制冷温度和制冷效率均具有重要影响。
Experiment investigation on multi-bypass and fixed phase shifter comparison in single-stage high frequency pulse tube cryocooler;
本文采用数值模拟和实验研究的方法对高频脉冲管制冷机的重力特性进行了对比研究。
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.
进行了微型同轴脉管制冷机系统运行参数的优化及氢氦混合工质应用的试验研究。
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.
在没有热桥连接的情况下,单独测试第一级最低制冷温度达到13.8K,这是单级脉管制冷机获得的最低制冷温度新纪录。
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。
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