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- vortex tube refrigeration 涡流管制冷
- The results indicate that refrigeration efficiency of tested vortex tube is preferable to the J-T valve, but inferior to expander. 试验结果表明：试验用涡流管的制冷效率优于节流阀，但不及膨胀机。
- The method and principle replac ing the expansion valve with a vortex tube to enhance the efficiency are present ed. A new kind of piston-cylinder expansion machine appropriate for small capac ity refrigeration application is also introduced. 论述了涡流管代替膨胀阀提高系统效率的方法、原理,并介绍了一种适合小型制冷系统的新型气缸活塞式膨胀机。
- The flux through the wall of the vortex tube is zero by its definition. 根据涡管定义，穿过涡管管壁的涡量为零。
- vortex tube refrigerator 涡流管式冷机
- This paper analyzes the inter-phasing pulse tube refrigeration using the thermodynamic methods. 对内调相型脉管制冷机进行热力学理论分析。
- A 5%-15% increase of COP can be expected if a new vortex tube thermovalve is used in air conditioner/ Heat pump system. 把特殊制作的涡流管部件用于空调热泵系统,可以将效率提高5%25-15%25。
- Several important parts of designed vortex tube are introduced, such as volute, nozzle, hot valve, and so on. 对设计的实验用涡流管的部分重要部件作了详尽的介绍，包括蜗壳、喷嘴和热阀等。
- In the experiment of pulse tube refrigeration with He-H2 mixtures, it is found that Er3Ni, the regenerative material, is able to absorb H2 and produce Er3NiHx. 在采用He-H2混合工质脉管制冷实验中发现回热材料Er3Ni具有吸收(附) H2的性质,初步估算表明吸氢后形成的氢化物Er3NiHx具有比Er3Ni更大的体积比热容, 回热性能更加优越。
- The flow rule and energy separation phenomena happened in vortex tube are unconventionally complex. 摘要发生在涡流管内的流动规律以及由此所产生的能量分离效应异常复杂。
- Abstract: Rectifies of various guide vane angles which is used in vortex tube had been designed and fabricated. 摘要： 设计加工了不同叶片角度的导流叶片形涡流管整流器。搭建了涡流管性能研究实验台。
- Under a fixed bigger expansion ratio, the cooling performance of the vortex tube increases with the increase of the inlet pressure. 膨胀比为3时，进口压力的增加基本不影响涡流管的制冷性能，而膨胀比为6时，随着进口压力的增加，涡流管的制冷性能显著提高。
- Beijing United Technology Corporation Ltd. is superior in solving industrial problems by using vortex tube and air amplification technology. 放大技术为工业系统提供最佳解决方案的高新技术公司。
- The results computed show that 9 5% of coefficient of performance( COP )AND 6 7% of cooling power at 80 K could be gained,if a mixture pair of 10% nitrogen and 90% helium is used instead of pure helium for the pulse tube refrigeration. 计算结果表明 ,如果用10%25氮与 90%25氦的混合工质对代替纯氦 ,脉管制冷机在 80K温度下的制冷系数和制冷量分别可以提高 9 5%25和 6 7%25。
- There are differeces in the structure and actuating medium ofthe single phase vortex tube and the gas liquid two-phase one,so their per-formances are different. 单相与气液两相涡流管由于本身结构及工质的差别，从而造成性能上的差异。
- Based on the analysis of the horizontal vortex tube structure,it is found that the dynamic structure of the rainband is not always the rotation-rising upward around the center of typhoon eye. 通过研究不同发展阶段的台风水平涡管的分布,发现台风里螺旋云带的结构并非都呈现旋转上升的形状。
- high frequency pulse tube refrigeration 高频脉管制冷
- T. Shigi, et al (1996): Anomaly of one stage double-inlet pulse tube refrigerator, ICEC/ICMC 16, Japan, May, 1996. 汤山纯平等(1995)，脉管制冷机的制冷性能及制冷温度安定性，第54回1995年度秋季日本低温工学超电导工学学会讲演概要集(日文).
- 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。
- Based on the computation of thermodynamic properties of binary inert gas fluids,He~Ar mixtures were used as working fluids to improve the refrigeration performance of a thermo acoustically driven pulse tube refrigerator. 在计算了惰性气体二元混合工质的热力学参数之后,采用氦-氩混合气体作为工质来提高热声驱动脉管制冷的性能。
