Recently, some experiments show the existence of prewhirl and reveal the asymmetrical scroll will affect the distribution of prewhirl.
近年来,已有的实验果显示,离心式通风机叶轮进口前的气流预旋确实存在,而且形式与人们通的想象有很大。
Recently, some experiments show the existence of prewhirl and reveal the asymmetrical scroll will affect the distribution of prewhirl.
近年来,已有的实验果显示,离心式通风机叶轮进口前的气流预旋确实存在,而且形式与人们通的想象有很大。
The results show that the impeller flows periodically under large negative prewhirl angle.
果表明,在较大的负预旋角度下,叶轮流动呈现出周期性;
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