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The permanent three-dimensional velocity field of an incompressible fluid is given below. a) Determine if there are stopping points in this flow area and, if

The permanent three-dimensional velocity field of an incompressible fluid is given below.
a) Determine if there are stopping points in this flow area and, if so, where they are.
b) If the flow were two-dimensional, = (, ), would there be stopping points in the flow field? if it happens
Identify where they are.
c) For the two-dimensional velocity field, draw velocity vectors at 5 positions in the upper right quadrant, from x = 0 m to 4 m and y = 0 m to 4 m, and describe the flow field qualitatively.
d) Derive an expression for the material acceleration and calculate the material acceleration at the point (x = 4 m, y = 4 m).
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3. Sktrlamaz bir akkana ait daimi boyutlu hz alan aada verilmitir. V = (u, v, w)=(0.6+0.8x)+(-2.0-0.8y); +(1.5-0.82)k a) Bu ak alannda durma noktalarnn olup olmadn ve eer varsa nerede olduklarn belirleyiniz. b) Eer ak iki boyutlu olsayd, 7 = (u, v), ak alannda durma noktalar olur muydu? Olursa nerede olduklarn belirleyiniz. c) ki boyutlu hz alan iin, x = 0 m'den 4 m'ye ve y = 0 m'den 4 m'ye olmak zere sa st drdlde 5 konumda hz vektrlerini iziniz ve ak alann nitelik bakmndan tarif ediniz. d) Maddesel ivme iin bir ifade tretiniz ve (x = 4 m, y = 4 m) noktasndaki maddesel ivmeyi hesaplaynz

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