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。
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。
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。
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。
If a electromagnetic pulse valve is always magnetized, it must be checked if the corresponding electronic switch tube is in electric leakage or broken-down.
若某一电磁脉冲阀常吸，应检查对应的电子开关管是否漏电、击穿。
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。
How to control the downhole tool's neutron tube from the surface is a complex problem in the pulse neutron oxygen activation logging tool, which measures through a single core cable.
在单芯电缆测量的脉冲中子氧活化仪器中，如何从地面实现对井下中子管的控制是一个非常复杂的问题。
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 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。
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。
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。
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。
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。
A hypersonic pulse tunnel is designed in this paper, which has multiple running modes based on gun tunnel and shock tube theory.
本文设计了一座具有多种运行方式的高超声速大型脉冲风洞，该风洞可以采用炮风洞和激波管两种运行方式。
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。
The vacuum trigger tube is a kind of fast pulse switches applicable for high voltage and current.
产品规格︰ 真空触发间隙是一种高电压，大电流快速脉冲开关。
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。
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 spectral variation mechanism of the transmitted pulse when surface wave meets a defect in steel tube concrete is explained by using the diffraction theory.
运用波的绕射理论阐明了表面波遇到缺陷时透射脉冲频谱发生变化的机理。
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。
For solving the problem of small refrigeration power of common pulse tube refrigerators (CPTR), a new concept is put forward of large diameter pulse tube refrigerator (LDPTR).
为了解决普通脉管制冷机的小冷量问题，提出了大口径脉管制冷机的新概念。
This paper introduces a kind of pulse tube regenerator, which can recover part of the lost acoustic power, and then analyzes it in two aspects:acoustic power recovery and phase angle adjustment.
本文介绍了一种带声功回收的脉管制冷机，从功回收和相位调节角度对它进行了分析。
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。
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。
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。
应用推荐