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1)  leakage flow
泄漏流
1.
The tip leakage flow and flow separation near hub in both time-averaged flowfield and instantaneous flowfield were analyzed.
本文运用分离涡模拟(DES)方法研究了不同工况下压气机亚音转子的流动情况,分析了其时均与瞬时流场中顶部间隙泄漏流动和根部角区的流动分离。
2.
As the reaction of leakage flow,static pressure troughs formed in the outer wall case are enlarged with the increase of clearance and backpressure.
结果表明:适当小的叶尖间隙可以使转子获得较好的性能;作为泄漏流的反应,外壁机匣上所形成的静压槽随着间隙的增大、反压的提高而扩大;在不同叶尖间隙下,叶尖附面层和泄漏涡的破裂对风扇转子的失速起不同作用。
3.
From the plot of three-dimensional velocity, the tip leakage flow can be clearly (investigated.
根据所测量得到的三维速度,清楚地展现了转子顶部流动的特性,特别是泄漏流对顶部流动的影响。
2)  Leakage Current
泄漏电流
1.
A simple method of detecting leakage current to ground;
一种简易的对地泄漏电流的检测方法
2.
Technological analysis of measuring leakage current under condition of exerting DC voltage on winding ends for 200MW generator stator windings;
200MW发电机定子绕组端部施加直流电压下泄漏电流测量的技术分析
3)  leak current
泄漏电流
1.
Design of on-line monitoring for leak current of insulating casing;
绝缘套管泄漏电流在线检测单元设计
2.
The average leak current is less than 0.
5V(DC)条件下测得的泄漏电流平均值不大于0。
4)  leakage current
漏泄电流
1.
Adding a appropriate amount of SiO2 to ZnO ceramics leads to incrcase a value and voltage gradient of the varistor, to decrease leakage current and to raise withstanding surge current, that results in making ZnO varistors with excellent performance.
实验研究了SiO2对ZnO压敏电阻器性能的影响,在ZnO陶瓷中,添加适量的SiO2可以提高压敏电阻器的α值和电压梯度,降低漏泄电流,提高通流量,能够制造出性能优异的ZnO压敏电阻器。
5)  leakage flow
泄漏流动
1.
The flange clearance leakage flow and the pressure of vane surface as well as the streamline distribution laws in the case of different cam industrial operation conditions are obtained via the numerical simulation of leakage flow of different flange clearances of the bulb tubular turbine under the different conditions of industrial operation.
通过对灯泡贯流式水轮机在不同工况、不同轮缘间隙的泄漏流动进行数值模拟,得到了不同协联工况下轮缘间隙泄漏流动和叶片表面的压力及流线的分布规律。
2.
Effects of the tip leakage flow of the shrouded rotor blade on the aerodynamic performance of the turbine stage were numerical investigated using commercial CFD software CFX-TASCflow.
采用计算流体动力学软件CFX-TASCflow数值研究了带围带的动叶顶部间隙内泄漏流动对动叶流动效率以及下一级静叶进口气流角的影响特性。
3.
The leakage flow behavior through a brush seal was numerically investigated using the Reynolds-averaged Navier-Stokes solution based on the porous medium model.
采用数值求解基于多孔介质模型的Reynolds-averaged Navier-Stokes方程技术,对刷式密封内泄漏流动特性进行了详细的数值研究。
6)  tip leakage flow
泄漏流动
1.
The computed conclusion show that the magnitude of tip clearance has close relationship with the intension of tip leakage flow.
结果表明叶尖间隙的大小与泄漏流动的强度密切相关。
补充资料:博帕尔毒气泄漏事故
分子式:
CAS号:

性质:1984年12月发生在印度中央邦博帕尔市的重大公害事故。美国联合碳化物公司所属的一家农药厂发生地下储罐毒气泄漏。泄漏的毒物为异氰酸甲酯,这种毒气小剂量会引起炎症,大剂量会在喉部和肺部引起糜烂和发炎,剧烈呛咳,最后窒息而死。这次事故有2500人死亡,20多万人不同程度中毒,其中10万人可能终身残废、失明。毒气泄漏使大量食物和水源污染,牲畜和其他动物大量死亡,生态环境受到严重破坏。

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