浮子流量計(jì)（轉(zhuǎn)子流量計(jì)） 金屬管浮子流量計(jì)實(shí)際是一種可變面積式流量計(jì)。它通常具有一段直立的錐管和一只可以在其中自由地隨流量大小上下移動(dòng)的浮子。當(dāng)流體自下而上流經(jīng)錐管時(shí)，流體的動(dòng)能在浮子上產(chǎn)生的推力 S 和流體的浮力 A 使浮子上升。隨著錐管內(nèi)壁與浮子之間的環(huán)形流通面積增大，流體動(dòng)能在浮子上產(chǎn)生的推力 S 隨之下降。當(dāng)推力 S 與浮力之和等于浮子自身重力 G 時(shí)，浮子處于平衡狀態(tài)，并穩(wěn)定在某一高度
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2010年1月17日
浮子流量計(jì)（轉(zhuǎn)子流量計(jì)）
Tags: 浮子流量計(jì)（轉(zhuǎn)子流量計(jì)）
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