Two free vortices of equal strength, but opposite directionof rotation, are superimposed with a uniform flow as shown inFig. 4Ų = -[±T(2#)] In r. (a) Develop an equation for the x-componentof velocity, u, at point P(x,y) in terms of Cartesian coordinates xand y. (b) Compute the x-component of velocity at point A andshow that it depends on the ratio I'/H.4-1. The stream functions for these two vorticies areSketch and describe the flow then determine the stagnation points.Plx, y)UHFigure (4)

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Two free vortices of equal strength, but opposite direction of rotation, are superimposed with a uniform flow as shown in Fig. 4 ý = -[±T/(27)] ln r. (a) Develop an equation for the x-component of velocity, u, at point P(x,y) in terms of Cartesian coordinates x and 4- 1. The stream functions for these two vorticies are y. (b) Compute the x-component of velocity at point A and show that it depends on the ratio T/H. Sketch and describe the flow then determine the stagnation points. •P(x, y) U H A H Figure (4)

Two free vortices of equal strength, but opposite direction of rotation, are superimposed with a uniform flow as shown in Fig. 4 ý = -[±T/(27)] ln r. (a) Develop an equation for the x-component of velocity, u, at point P(x,y) in terms of Cartesian coordinates x and 4- 1. The stream functions for these two vorticies are y. (b) Compute the x-component of velocity at point A and show that it depends on the ratio T/H. Sketch and describe the flow then determine the stagnation points. •P(x, y) U H A H Figure (4)

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.3P: Evaluate the Nusselt number for flow over a sphere for the following conditions: D=0.15m,k=0.2W/mK,...

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