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- The research of Reverse Brayton cycle cryogenic refrigerator will prompt the development of space technology. 同时 ,对逆布雷顿循环低温制冷机的研究有利于空间和宇航制冷技术的发展。
- A small air refrigerator test rig based on reverse Brayton cycle with foil journal bearings was rebuilt. 本文在原有试验样机的基础上,进行了必要的优化和改进,重新搭建了一套采用逆布雷顿循环,流量为30Nm3/h的小型空气制冷机系统实验台,重新设计了系统各部件:透平膨胀机,换热器和冷箱等。
- Reverse Brayton cycles of helium, the primary form of helium refrigeration, are widely used in cryogenic engineering. 在大量的科学研究和低温工程领域中,氦气制冷技术被广泛应用,逆布雷顿制冷循环则是其主要的循环制冷方法。
- A small air refrigerator test rig based on reverse Brayton cycle and a cryogenic turboexpander( )with self-acting gas bearings were rebuilt and developed. 本文在原有试验样机的基础上,进行了必要的优化和改进,重新搭建了一套采用逆布雷顿循环,流量为 的小型空气制冷机系统实验台,并成功地将全动压气体轴承低温透平膨胀机应用在空气制冷机上。
- This paper use Reverse Brayton algorithm which is one algorithm of the Quasi_Netwon method to calculate the load flow computation of electric power system. 本文运用拟牛顿法中的逆布雷顿秩1方法计算电力系统的潮流分布。
- In this article, six kinds of reverse Brayton cycles of helium are studied analytically and the flow field of the header of their heat exchangers is simulated numerically. 本文正是基于上述考虑,选取了六种氦气逆布雷顿制冷循环模式,并对其进行了热力学分析,详细地讨论并对比了各个循环模式的用能情况,同时还对回路中采用的换热器封头内部流场进行了数值模拟。
- A small cold air refrigerator based on the reverse Brayton cycle is developed,and a new type of foil journal bearing is used in the turbo expander which is the key component of cold air refrigerator. 设计了一台小型透平 逆布雷顿循环空气制冷机 ,并将一种新型的箔片径向气体轴承应用在该制冷机系统的透平膨胀机上。
- It has been proved by computation and experimental verification that the mixture of R290,R152a, R600a having larger unit mass refrigerating capacity and unit mass output work is an ideal working medium for the reverse Brayton cycle. 计算及实验验证表明由R2 90、R1 5 2a、R6 0 0a组成的混合物具有较大的单位质量制冷量和单位质量输出功 ,是逆向布莱顿循环较理想的制冷工质。
- Turbomachine based Reverse Brayton Cryocooler to be one of cryocoolers that are widely used in present can be developed for applications in space that require low capacity,high performance and high efficiency. 在目前广泛采用的低温制冷循环中, 以透平机械为主的逆布雷顿循环制冷机有望能够满足卫星、宇宙飞船等航天器上低冷量、高性能、高效率的特殊要求,成为空间制冷的一种选择。
- MINIATURE REVERSE BRAYTON CRYOCOOLER 逆布雷顿循环微型低温制冷机
- Our army suffered a slight reverse. 我们的部队受到轻微的挫败。
- The 50p coin has a crowned lion on its reverse. 50便士硬币反面的图案是个戴皇冠的狮子。
- I twisted my head round to reverse the car. 我扭过头去把汽车向後倒。
- The car has four forward gear and one reverse gear. 那汽车有四个前进挡和一个倒挡。
- The reverse of the coin was stamped with an eagle. 硬币的反面压印的是一只鹰。
- She then looked at the reverse side of the coin. 接着她看了看钱币的反面。
- Children's shoes aren't cheap quite the reverse. 儿童的鞋并不便宜--反而更贵。
- In the opposite way or reverse order. 正相反在方向或顺序上的正好相反
- The superpowers are putting the arms race into reverse. 超级大国正在把军备竞赛转换成相继裁军。
- DIFN had a change pattern revers... 中国科学院研究生院;