Unsteady forced convection with sinusoidal duct wall generation: the conjugate heat transfer problem |
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Authors: | James Sucec |
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Affiliation: | Department of Mechanical Engineering, University of Maine, 5711 Boardman Hall, Room 202, Orono, ME 04469-5711, USA |
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Abstract: | Transient heat transfer solutions are found for a fluid flowing within a parallel plate duct when there is sinusoidal generation with axial position in the duct wall. Solutions are found for wall temperature, surface heat flux and fluid bulk mean temperature as a function of position and time in this conjugated problem. To develop this solution, finite difference methods are used as well as the quasi-steady method and another method which employs a two integral representation for the surface heat flux. Accuracy limitations of the quasi-steady results are identified. Transient local Nusselt number predictions show its dependence upon time. |
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