The high head produced by the impeller means high adverse pressure gradient within blade passage and because of this the flow often separates from the blade surfaces even at the design point.
低比转速泵的高扬程决定了叶片流道内逆压梯度比较高，这种压力分布使得水流易于在叶片表面脱流分离，这一现象甚至在泵的设计点也难以避免。
The measurements show that the airfoil blade fan prevails over the plate one in the aspects of total pressure efficiency, stable operation range and high efficient operation range.
试验结果表明机翼型叶片在全压效率、稳定运行范围及高效运行范围比相应的板型叶片具有优越性；
The thesis introduces the flow process of traditional technology of "t" type high-pressure blade and the reasons which effect the process period.
分析介绍了“T”型叶根高压动叶传统工艺方法的流程及影响生产加工周期的原因。
The blade tip crack of the high pressure turbine is repaired by using the laser welding, which can reduce effectively the repair cost and increase the economic effectiveness of the engine repair.
采用激光熔焊方法，修复了高压涡轮工作叶片叶尖裂纹，有效降低了发动机修理成本，提高了发动机修理的经济效益。
Doblhoff's "pressure-jet rotor" concept involved piping high-pressure air from a compressor out to the rotor-blade tips, where it was mixed with fuel and burned in combustors.
Doblhoff的“压力型喷气转子”的概念参与管道高压空气压缩机向转子叶片的提示，它是混合燃料和燃烧的燃烧室。
It is very atrocious for turbine blade to revolve rapidly under concussion by high pressure erosive burning gas.
涡轮叶片在高压腐蚀性燃气的冲击下高速旋转，工作条件非常恶劣。
Therefore when using low aspect ratio blade during the design of high pressure guide vane, attention should be made in order to obstruct the …
因此在高压导叶设计中 ，当采用低展弦比叶片时 ，应注意削弱叶片出口附近流场的严重径向窜流。
Therefore when using low aspect ratio blade during the design of high pressure guide vane, attention should be made in order to obstruct the …
因此在高压导叶设计中 ，当采用低展弦比叶片时 ，应注意削弱叶片出口附近流场的严重径向窜流。
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