Physics · Fluid Mechanics
The expression for the velocity potential function (φ) for the resultant flow of a doublet of strength μ in a uniform flow of velocity U is given by (where x = r cosθ and y = r sinθ):
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1φ = U r sinθ - μ sinθ2π r
- 2φ = U r sinθ + μ sinθ2π r
- 3φ = U r cosθ - μ cosθ2π r✓
- 4φ = U r cosθ + μ cosθ2π r
Correct answer
φ = U r cosθ - μ cosθ2π r
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