prewhirl
美
英 
英漢解釋
例句
The results show that the impeller flows periodically under large negative prewhirl angle.
結果表明,在較大的負預旋角度下,葉輪流動呈現出周期性;
the base frequency of the flow in the vaned diffuser decreases under the IGV prewhirl.
擴壓器內部的非定常流動的基本頻率降低。
Measurement and Analysis of Impeller Inlet Prewhirl Flow in a Centrifugal Fan
離心風機葉輪進口預旋的測量和分析