In potential (irrotational) flow, the velocity potential phi and stream function psi satisfy:
Choose the correct answer
Laplace equation (nabla^2 phi = 0 and nabla^2 psi = 0)
Navier-Stokes equation
Euler equation only
Bernoulli equation only
Correct Answer
A. Laplace equation (nabla^2 phi = 0 and nabla^2 psi = 0)
AI Detailed Explanation & IS Code Reference
Unlock the reasoning, formula path and code-linked notes inside your student dashboard.
For irrotational incompressible flow, phi satisfies Laplace equation (del^2 phi = 0). The stream function psi also satisfies del^2 psi = 0. Lines of constant phi (equipotentials) and constant psi (streamlines) are orthogonal.
ScoreCardAI links this solution with subject, topic and difficulty signals so your scorecard can identify weak areas after a full mock test.
Practice more Civil Engineering questions
This MCQ belongs to AE Level Premium Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.