In Chap. 9, we define the stream function ? for two-
Chapter 7, Problem 30P(choose chapter or problem)
Problem 30P
In Chap. 9, we define the stream function ψ for two- dimensional incompressible flow in the xy-plane.
where u and υ are the velocity components in the.x- and y- directions, respectively, (a) What are the primary dimensions of ψ? (b) Suppose a certain two-dimensional flow has a characteristic length scale L and a characteristic time scale t. Define dimensionless forms of variables.x, y, u, υ. and ψ (c) Rewrite the equations in nondimensional form, and identify any established dimensionless parameters that may appear.
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