二次流 [流] secondary flow ; secondary stream
二次流动 secondary flow
二次流体 [流] secondary fluid
二次流光 Secondary Streamer
二次电流 [电] secondary current
额定二次电流 [电] rated secondary current ; rated primary current
二次流损失 secondary flow loss
二次流流动 secondary flow
二次流原理 Secondary Flow Theory
二次流分级筛 secondary flow classification screen
与常规叶片相比，二次流损失较小的后部加载叮型所构成的叶栅内的通道涡在结构上较为稳定。
Compared with conventional blade, the passage vortex structure is more stable in cascade with aft-loaded blade which secondary loss is small.
研究结果表明：通过优化有效降低了因二次流漩涡、风机蜗舌结构、尾流-射流和正冲角等造成的能量损失，提高了离心通风机性能。
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.
小径高比的叶片采用静叶片的正倾斜的方法能够有效地控制流道内部的径向二次流和叶栅顶部的分离流动；
The method of forward leaning stator blade, which can effectively control the radial second flow and the top separate flow, is applied to the design of the small diameter-height ratio blade.
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