1) tip clearance cavitations on blade flange
轮缘间隙空蚀
2) flange clearance
轮缘间隙
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.
Based on N-S equation,k-ε turbulence model,unstructured grid and clumpy gridding technology,the method of calculating unitedly the guide vane and runner was introduced,flow on flange clearance at 0,0.
本文基于N-S方程和k-ε湍流模型、非结构化网格和多块网格技术,采用导叶和转轮部分联合计算的方法,在不同工况下,对贯流式水轮机模型转轮轮缘间隙在0、0。
3.
The paper expounds pressure distribution of the runner blade which is influenced under the leak flow in the flange clearance region.
基于 Navier-Stokes 方程和标准 k-ε紊流模型,数值模拟轴流转桨式水轮机在含轮缘间隙时转轮内部的流场分布情况。
3) clearance cavitation erosion
间隙空蚀
4) flangeway clearance
轮缘槽间隙
1.
The influences of locomotive′s speed and flangeway clearance of guard rail to the maximum of lateral force are analyzed.
根据道岔的实际尺寸和平面布置,利用道岔区轨道的变截面,在Simpack软件中建造道岔模型和机车模型,模拟计算了机车侧逆向通过18号提速改进型可动心轨式单开道岔时对护轨的横向冲击响应,并分析了机车的运行速度和护轨平直段轮缘槽间隙量对最大横向冲击力的影响。
5) gap cavitation
间隙空化空蚀
1.
Three schemes were adopted to round blade tip in order to improve tip clearance flow and reduce gap cavitation.
结果表明,修圆叶片压力面外缘有利于改善间隙流场的流动,可降低间隙空化空蚀的发生,而对泵的总体性能影响不大。
6) clearance cavitation
间隙汽蚀<水轮机>
补充资料:水泵气蚀(见空化与空蚀)
水泵气蚀(见空化与空蚀)
shuibeng qishi水泵气蚀见空化与空蚀。
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