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Problem 5.20 - Problem 5.20[Difficulty 3 Given r component...

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Problem 5.20 [Difficulty: 3] Given: r component of velocity Find: θ component for incompressible flow; How many θ components Solution: Basic equation: 1 r r ρ r V r  1 r θ ρ V θ z ρ V z t ρ 0 Assumptions: Incompressible flow Flow in r- θ plane Hence 1 r r rV r 1 r θ V θ 0 or θ V θ r r r rU cos θ () U cos θ Integrating V θ r θ θ U cos
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