流力一題(能量校正係數) - 考試
By Lauren
at 2018-11-12T17:27
at 2018-11-12T17:27
Table of Contents
各位高手好,這邊有流力內部流一題須要請教:
https://i.imgur.com/j4rGEN0.jpg
https://i.imgur.com/HC866AM.jpg
https://i.imgur.com/0hpoOXB.jpg
詢問的點有兩個:
1. 這邊用來算f的雷諾數,他的V是像解答直接用(2gh)^2來算嗎?還是要用出口的V2呢?
2. 這邊的能量方程動能項前面,為什麼不需要乘上動能修正係數2呢?
以上 謝謝
--
https://i.imgur.com/j4rGEN0.jpg
https://i.imgur.com/HC866AM.jpg
https://i.imgur.com/0hpoOXB.jpg
詢問的點有兩個:
1. 這邊用來算f的雷諾數,他的V是像解答直接用(2gh)^2來算嗎?還是要用出口的V2呢?
2. 這邊的能量方程動能項前面,為什麼不需要乘上動能修正係數2呢?
以上 謝謝
--
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考試
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