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研究所、轉學考(插大)-流體力學
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99年 - 99 淡江大學 轉學考 流體力學#55761
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2. (20%) Given a 2-D flow field: V = x
2
y i - xy
2
j
Please determine the equation of the streamline passing through the point (3, 2).
其他申論題
【已刪除】(i). Show (,ha,t the maximum likdihood cstiinator of", and respectively.
#210690
【已刪除】(ii).
#210691
(a) u = cx/(x2 + y2) and v = -cy/(x2 + y2),
#210692
(b) u = -cx/y and v = c ln(xy) where c is a constant.
#210693
(a) Please determine the vorticity of the flow at position (2, 3, 1).
#210695
(b) Is this a rotational flow? Please show it.
#210696
【已刪除】4. (20%) Calculate the circulation about the square enclosed by x = ±1 and y = ±1 in the xy-plane for the 2-D flow of V- u / + v j, where u = 3x2 + y and v = - (6xy + x)
#210697
5. (20%) Consider an incompressible, irrotational, two-dimensional flow, where the stream function is φ= 2xy2 , please find the velocity potential φ.
#210698
(A)誘發性消費支出會變動多少(10分)？
#210699
(B)儲蓄總額會變動多少(10分)?
#210700
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