• The most affected was secondary flow losses for the energy loss distribution along the blade height, other losses along the distribution was average.

    对于能量损失沿分布影响最大二次损失其他损失沿叶高分布相对比较平均。

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  • There are flow separations at the front blade of bulge tip clearance. The high speed area of groove tip clearance increases the secondary flow loss dramatically.

    凸型间隙叶片前缘引起了流动分离,凹型间隙存在高速增加二次损失

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  • The boundary layer thickness of the forward skewed rotor decreases in the top of blade due to reduction of the secondary flow loss. This fact conforms with experimental investigation.

    得出了叶片向前后, 叶部分面层二次损失减小的结论,实验结果吻合

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  • This blade can be used to produce counter pressure gradient at cascade passage end, reduce secondary flow loss, increase the efficiency of IP casing consequently, and improve the heat rate of units.

    本文讨论了透平栅中的产生的机理,并深入探讨了一种减少二次流损失有效方法---叶片斜置复合斜置技术,分析研究它对叶气动性能和级特性的影响。

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  • The results show that the performance of optimized fan is improved by lowering the energy loss which caused by the secondary flow vortex, the volute tongue, the wake-jet and the angle of attack.

    研究结果表明通过优化有效降低二次漩涡风机结构、尾流-射流正冲角等造成能量损失提高了离心通风机性能

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  • Presents the calculation method of cooling loss and temperature rising caused by cooling loss of the variable water flow secondary piping network in district cooling system(DCS).

    介绍了区域供冷系统管网损失冷量损失导致温升计算方法,并对某个二次泵流量运行的区域供冷系统进行了计算。

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  • The influences of the aspect ratio and wall roughness on the coolant flow characteristics, which mainly involve pressure loss, secondary flow and turbulence intensity, were investigated.

    研究高宽壁面粗糙度压力损失二次流动紊流强度影响

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  • The influences of the aspect ratio and wall roughness on the coolant flow characteristics, which mainly involve pressure loss, secondary flow and turbulence intensity, were investigated.

    研究高宽壁面粗糙度压力损失二次流动紊流强度影响

    youdao

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