[考題] 98流力高考第五題不知道有沒有少算:Realtime－2016【韓劇】奶酪陷阱劇情簡介及人物介紹奶酪陷阱 EP03 預告奶酪陷阱線上看奶酪陷阱(捕鼠器裡的奶酪) 第1集

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[考題] 98流力高考第五題不知道有沒有少算

Mar 31st 2015, 01:08, by lonelyboy616

作者lonelyboy616 (R.I.P)

看板Examination

標題[考題] 98流力高考第五題不知道有沒有少算

時間Tue Mar 31 01:08:16 2015

先附上題目:http://i.imgur.com/YtezPbg.png

題目所問的水位差就是水頭損失的意思吧? 而水頭損失的話很明顯有4個流進、流出、閥門和水管中流動的摩擦所減少的水頭前三個都是用h=f*V^2/2g下去算 f就直接帶題目中給的係數摩擦係數是帶h=f*(L/D)*(V^2/2g) 這四個加起來就是水頭損失了那為什麼還有多一個運動黏滯係數? 這個運動黏滯係數所造成的壓差要怎麼算? -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 122.118.44.227 ※ 文章網址: https://www.ptt.cc/bbs/Examination/M.1427735299.A.2F4.html

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