原文空氣動力題目(20點)

Question

A Piper Cub, a general aviation airplane, is flying at a velocity of 60 miles per hour at a geometric altitude of 5,000 ft. At a point on the wing, the pressure is 1753.9 / . Calculate the velocity at that point, assuming incompressible flow? 

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不好意思 · Accepted Answer

請參考意見欄例題後，貼上你的解答和計算過程，請大家幫你看看。

Apply Bernoulli equation
gz + P/ρ + V2/2 = Constant

g = gravity
z = geometric altitude 
P = pressure 
ρ = air density
V =  velocity

圖片參考：https://s.yimg.com/lo/api/res/1.2/FG_AQpEiVcYwM0hksXwSPg--/YXBwaWQ9dHdhbnN3ZXJzO3E9ODU-/http://wwwdelivery.superstock.com/WI/223/4091/PreviewComp/SuperStock_4091-3137.jpg

2014-05-23 17:59:08 補充：
http://www.docstoc.com/docs/129030720/Applying-the-Bernoulli-equation-along-a-stagnation

第 3.24 題

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