Recently, some experiments show the existence of prewhirl and reveal the asymmetrical scroll will affect the distribution of prewhirl.
近年来,已有实验结果显示,离心式风机叶轮进口前气流预旋确实存在,而且其分布形式与人象有很大不同。
Recently, some experiments show the existence of prewhirl and reveal the asymmetrical scroll will affect the distribution of prewhirl.
近年来,已有实验结果显示,离心式风机叶轮进口前气流预旋确实存在,而且其分布形式与人象有很大不同。
The results show that the impeller flows periodically under large negative prewhirl angle.
结果表明,在较大负预旋角度下,叶轮流动呈现出周期性;
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