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。
And the coupling of pulse tube refrigeration and gas wave refrigeration is discussed at...
最后对脉管制冷与气波制冷的耦合进行了探讨。
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。
A new concept of pulse tube refrigerator using gap regenerator as its regenerator is suggested.
提出一种缝隙回热器式脉管制冷机，并进行了计算机模拟。
The heat loss is a significant factor which influences the performance of a pulse tube cryocooler.
漏热冷损是影响低温制冷机性能的一个重要因素。
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。
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。
A compressor together with rotary valve system generates pressure oscillation in a GM-type pulse tube refrigerator.
GM型低温制冷机的压力波发生系统通常包括压缩机和平面旋转阀。
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。
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。
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。
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。
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 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；
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。
It was the lowest temperature with two-stage pulse tube. its performance and the effects of the operating parameters were investigated.
实验中还研究了充气压力和运转频率对制冷机性能和制冷能力的影响。
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。
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；
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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