8. The siphon shown is used to transfer liquid from a higher level to a lower level. If the fluid is drawn up and is continuous through the tube, please determine the velocity of flow of gasoline if the vertical distance from the liquid surface to the outlet is 1.0 m.

詳解 (共 1 筆)

助人為本
助人為本
詳解 #7418220
2026/06/24
所以這題可以從虹吸管(siphon)的流速用
v=根號2gh來求
高度就是液面到出口的高度差
6a3b46c7bcf27.jpg
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所以這題為甚麼可以這樣解是利用白努利方程寫出來後
消掉密度
而壓力都是大氣壓力所以也消
流速都相當慢(大容器)可以消
6a3b476171f49.jpg