流體力學 問題詢問 - 考試

By Genevieve
at 2016-06-10T18:03
at 2016-06-10T18:03
Table of Contents
大家好,有兩項關於流體力學蠻基礎的疑問想詢問
1.想請問圓管公式導的過程中,如下圖所示
想請問橘色標籤所貼示的部分,他是如何合併的
想很久想不出來@@
http://i.imgur.com/HQYiEeo.jpg
2.想請問在解動量的題目,該如何判斷動量平衡式該不該考量PA
例如下圖第一張解題有考量PA,第二張則沒有
不太懂兩者題目是差在哪裡@@
http://i.imgur.com/gL5v3sv.jpg
http://i.imgur.com/VvCR0Bz.jpg
謝謝大家幫忙
--
1.想請問圓管公式導的過程中,如下圖所示
想請問橘色標籤所貼示的部分,他是如何合併的
想很久想不出來@@
http://i.imgur.com/HQYiEeo.jpg
2.想請問在解動量的題目,該如何判斷動量平衡式該不該考量PA
例如下圖第一張解題有考量PA,第二張則沒有
不太懂兩者題目是差在哪裡@@
http://i.imgur.com/gL5v3sv.jpg
http://i.imgur.com/VvCR0Bz.jpg
謝謝大家幫忙
--
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考試
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