7- The streamlines in a particular two-dimensional flow field are all concentric circles, as shown in Fig. 5 the equation vo = wr where o is the angular velocity of the rotating mass of fluid. Determine the circulation around the path ABCD. The velocity is given by B Figure 5

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A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

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A: It is true, the fluid particles do not rotate about their own axis in irrotational flow.

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A: Given: The expression of velocity is V=ayi+btj. Here, a=1 s-1and b=0.5 m/s2. n = 19

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A: we know thatVelocity V=dydtdydt=btdy=bt.dtintegrating both sides we get∫y0ydy=∫t0tbt.dty-yo=br220t

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A: Let x component be u     For incompressible flow             ∂u∂x+∂v∂y=0∴∂u∂x=-∂v∂y

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A: Option A is correct

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A: ∅=cxx2+y2 c=2Now for φ to represent velocity potential of incompressible 2D flow…

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