1) tip-clearance
叶端间隙
2) Gap of vane edge
叶片尖端间隙
3) blade tip clearance
叶端余隙
4) face clearance
端面间隙
1.
Based on the Navier-Stokes equation,the laminar model and the SIMPLEC algorithm,the numerical simulation of face flow filed under different face clearances and rotational speeds was carried out to obtain more details about the fluid field and high stability of dry gas seal.
为深入了解干气密封的端面流场特性,提高其运行稳定性,基于Navier-Stokes方程、层流模型和SIMPLEC算法,对干气密封端面流场进行了数值模拟,考察了不同端面间隙和转速情况下端面气膜压力分布和开启力情况。
2.
For more details about flow field of dry gas seal, the numerical simulation is carried out based on the Navier-Stokes equation, laminar model, and SIMPLEC method, with various face clearances and rotating speeds.
为了全面了解干气密封端面流场特性,基于N-S方程、层流模型、SIMPLEC算法,在端面间隙和转速的多种变化情况下,对干气密封端面流场进行数值模拟,重点考察了端面气膜压力及开启力的变化情况。
3.
The methods to measure face clearance, temperature and wave were discussewd,and active ultrasonic monitoring technique was analyzed in detail.
介绍了目前常用来描述端面接触情况的状态参量,探讨了端面间隙、温度及声波常用的测量方法,重点分析了主动式超声波检测方法,并对机械密封端面接触状态测控技术的研究状况进行了总结。
5) end clearance
端面间隙
1.
The wicket gate end clearance regulatory measures for hydraulic turbine;
水轮机导叶端面间隙的控制
6) tip clearance
叶尖间隙
1.
In order to study the influence of tip clearance flow on the performance of a transonic compressor,a high-load transonic fan s rotor with five constant width clearances and two step-clearances were numerically simulated.
为研究跨声压气机叶尖间隙流动对性能影响的特征,数值计算了某高负荷跨声风扇转子在5种等高间隙和两种阶梯间隙结构下的性能。
2.
The influence of tip clearance on the performance of fan rotor has been investigated by numerical method at different clearances.
在不同叶尖间隙下,对高负荷风扇转子的特性进行了研究;通过数值方法分析了叶尖间隙对转子特性的影响。
3.
The 3-D flow of the first rotor with tip clearance of a three-stage fan is simulated.
对某三级跨声速风扇第一级转子带叶尖间隙的三维流动进行了数值模拟,分析了6种不同叶尖间隙下转子的性能和失速裕度,发现转子在无间隙时总压比和等熵效率最高。
补充资料：尖端放电
| 尖端放电 point discharge 带电导体尖端附近空气中的放电现象。静电平衡时，带电导体外附近的场强与导体的面电荷密度成正比。大致说来，导体表现凸出而尖锐的地方，即曲率较大的尖端，电荷密集，面电荷密度增大，附近的场强特别强，致使空气电离，产生放电现象。尖端放电时，在它周围往往隐隐地笼罩着一层光晕，叫做电晕。高压输电线附近发生的尖端放电会造成能量损耗，需使输电线表面光滑，以避免尖端放电。避雷针则利用尖端放电，将集中的高空电荷通过接地装置泄入大地，以免建筑物等遭雷击。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条