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- 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。
- 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。
- 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 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。
- 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。
- 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。
- 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。
- Numerical simulation of energy separation effect inside vortex tube 基于涡流管能量分离效应的数值模拟
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- I must buy a tube of toothpaste. 我必须买一支牙膏。
- This tube is flexible but tough. 这管子柔软但很坚固。
- A glass tube for enclosing the flame of a lamp. 玻璃灯罩围住灯的火焰的玻璃管
- Apply solution to the tube and allow to become tacky. 在内胎上涂抹胶水并让它发粘。
- The tube was sealed off by fusing the material together. 管子以熔合管端的方法封闭起来了。
- He slipped the telescope into a steel tube. 他将望远镜收进一根钢管内。
