prewhirl
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英 
英汉解释
例句
The results show that the impeller flows periodically under large negative prewhirl angle.
结果表明,在较大的负预旋角度下,叶轮流动呈现出周期性;
the base frequency of the flow in the vaned diffuser decreases under the IGV prewhirl.
扩压器内部的非定常流动的基本频率降低。
Measurement and Analysis of Impeller Inlet Prewhirl Flow in a Centrifugal Fan
离心风机叶轮进口预旋的测量和分析