Problem 3. Consider the steady flow of air between parallel disks as shown. Assume that the flow is incompressible and inviscid, and that the velocity is purely radial and uniform at any section for r>ri where r₁ = 2.5 cm. The flow speed is V = 15 m/s at R = 7.5 cm. (a) Calculate the velocity at r = r; by simplifying the continuity equation for this flow field and showing that a general expression for the velocity field is given by V = V (R/r) ê, for r₁ < r < R. (b) Calculate the acceleration of a fluid particle at the locations r = r; and r = R. (c) Briefly discuss how the velocity and acceleration change for this steady flow with radial direction. flow R ri V

Problem 3. Consider the steady flow of air between parallel disks as shown. Assume that the flow is incompressible and inviscid, and that the velocity is purely radial and uniform at any section for r>ri where r₁ = 2.5 cm. The flow speed is V = 15 m/s at R = 7.5 cm. (a) Calculate the velocity at r = r; by simplifying the continuity equation for this flow field and showing that a general expression for the velocity field is given by V = V (R/r) ê, for r₁ < r < R. (b) Calculate the acceleration of a fluid particle at the locations r = r; and r = R. (c) Briefly discuss how the velocity and acceleration change for this steady flow with radial direction. flow R ri V

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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