11-int_lam_flw3-1-1 - Module 11 1 Internal Laminar Flow-III...

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Module 11 ME 6302 1 Internal Laminar Flow-III Professor S.M. Ghiaasiaan G.W. Woodruff School of Mechanical Engineering Georgia Institute of Technology Atlanta, GA 30332-0405
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Module 11 ME 6302 2 Hydro dynamically-Fully Developed Response to Arbitrary Axial Wall Temperature Distribution • Graetz’s solution provides the fluid temperature response (and thereby wall heat transfer coefficient or Nu) to a step change in wall temperature. • The thermal energy equation, for constant- property fluids without dissipation, is linear and homogeneous. Graetz’s solution can be used to calculate the response to any arbitrary wall temperature distribution, and even to a finite number of step changes in wall temperature.
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Module 11 ME 6302 3 Hydro dynamically-Fully Developed, Thermal Entrance, Arbitrary Wall Temperature Distribution • Hydro dynamically fully-developed ξ in T y x in T s T Wall Temperature Axial Coordinate, x
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Module 11 ME 6302 4 Hydro dynamically-Fully Developed, Thermal Entrance,
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This note was uploaded on 05/22/2010 for the course ME 6302 taught by Professor Mostafaghiaasiaan during the Spring '10 term at Georgia Institute of Technology.

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11-int_lam_flw3-1-1 - Module 11 1 Internal Laminar Flow-III...

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