Fluid Kinematics - GATE ME '14 S2
For an incompressible flow field V which one of the following conditions must be satisfied? A. ∇.V=0 B. ∇×V=0 C. (V.∇)V=0 D. ∂V/∂t+(V.∇)V=0
Ans: For an incompressible flow the divergence must be zero.
Hence, ∇.V=0 must be satisfied.
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