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離心機轉速與離心力的換算

更新時(shí)間:2012-08-10      點(diǎn)擊次數:1239

        r為離心機轉軸中心與離心套管底部?jì)缺诘木嚯x;rpm(revolution per minute)為離心機每分鐘的轉數;RCF(relative eentrifugal force)為相對離心力,以地心引力,即重力加速度的倍數來(lái)表示,一般用g表示。

       利用下表,已知離心機r和g就可求出rpm;反之,r和rpm已知,也可求出g.例如,在r標尺上取已知的r半徑值和在g標尺上取已知相對離心力值,這兩點(diǎn)間線(xiàn)的沿長(cháng)線(xiàn)在rpm標尺的交叉點(diǎn)即為rpm.

        注意,若已知的g值處于g標尺的右邊,則應讀取rpm標尺的右邊數值,否則反之。g和rpm也可通過(guò)下邊公式來(lái)?yè)Q算:RCF=1.119×105×rx(rpm)2

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