Re: [請益] 飛機飛過頭頂的問題
※ 引述《void ( avoid)》之銘言:
: 上面這條就是能量守恆的另一種型態
: 所以我才說Bernoulli eq.是由能量守恆來的
從能量守恆推是一種方式,不見得一定得從能量守恆來,
要從動量守恆推也是可以,至少我手上的流力筆記就是用動量
守恆推導的,但是你要我示範,我還真不知道該怎麼樣把他弄
到這個上面來。
: 所以前提是溫度要不變阿 或是溫度的變化小到可以忽略
: 因為溫度會影想到氣體的ρ阿......
和溫度什麼關係?積分是對p積分吧....
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