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zypzyb

金虫 (正式写手)

大头鬼

[求助] 粘度和压强?

实验时候,磁子搅拌不动了粘度太大,然后经减压后又能搅动了,为什么啊?
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青石KL

木虫 (正式写手)

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zypzyb: 金币+5, ★★★很有帮助 2013-04-11 09:06:57
转子转动需要克服液体对其的剪切力,你试着分析一下力!当体系压强较大时,转子受到的剪切力为体系压强加上液体静压强(ρgh,h为液体高度),当体系压强降低,剪切力降低可以转起来!

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