通过一组实验研究了脉冲管热端长度对性能的影响，包括脉冲管热端温度、冷端温度、降温时间、压比。
A group of experiments show that the increasing of hot end length will increase cooling down time, cold tip temperature and hot end temperature evidently, but pressure ratio will decreases.
MAX6675冷端温度补偿、热电偶数字转换器可进行冷端温度补偿，并将K型热电偶信号转换成数字信号。
MAX6675 Cold-junction compensation, thermocouple digital converter can be cold junction compensation, and K-type thermocouple signals into digital signals.
随着冷热循环温度区间温差的增大、冷端温度的降低、循环次数的增多，形成的热应力对材料的界面损伤越严重；
The interfacial failure due to thermal stress will increase with increasing the range of temperature and the number of cycles.
本文探讨了温度波动的主要因素，列举了热电偶的冷端补偿的常用方法，叙述了在此问题上的技术发。
In this paper, the main factors which result in the temperature fluctuation are probed, and the method of the cold junction compensation of thermocouple is enumerated in common u.
介绍采用数字温度传感器进行冷端测温，微控制器进行计算处理，对热电偶温度实时修正的方法。
A method of thermocouple cold junction temperature real time compensation was introduced, which utilizes digital sensor to measure temperature, and micro-controller to process the temperature data.
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 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.
影响其背压的主要因素有：大气环境温度、空冷初始温差、凝汽器的端差。
The major factors effecting on the backpressure include atmospheric environment temperature, primary temperature difference of air-cooling, end difference of condensers.
在冷端条件一定的情况下，提高砂轮转速能降低砂轮外圆面温度。
The results show that higher heat flux causes higher temperature on external circular surface of the grinding wheel.
在夏季用太阳能维持温差电偶吸热端较高的温度，用地下水维持温差电偶吸冷端较低的温度。
In summer higher temperature on the absorbing heat end of thermocouple is maintained by solar energy and lower temperature on the absorbing cold end of thermocouple is maintained.
在夏季用太阳能维持温差电偶吸热端较高的温度，用地下水维持温差电偶吸冷端较低的温度。
In summer higher temperature on the absorbing heat end of thermocouple is maintained by solar energy and lower temperature on the absorbing cold end of thermocouple is maintained.
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