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首页> 外文期刊>Mathematical Problems in Engineering: Theory, Methods and Applications >Conjugate Heat Transfer of Mixed Convection for Viscoelastic Fluid Past a Stretching Sheet
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Conjugate Heat Transfer of Mixed Convection for Viscoelastic Fluid Past a Stretching Sheet

机译：Conjugate Heat Transfer of Mixed Convection for Viscoelastic Fluid Past a Stretching Sheet

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摘要

A conjugate heat transfer problem of a second-grade viscoelastic fluid past a stretching sheet has been studied. Governing equations include heat conduction equation of a stretching sheet, continuity equation, momentum equation, and energy equation of a second-grade fluid, analyzed by a combination of a series expansion method, the similarity transformation, and a second-order accurate finite-difference method. These solutions are used to iterate with the heat conduction equation of the stretching sheet to obtain distributions of the local convective heat transfer coefficient and the stretching sheet temperature. Ranges of dimensionless parameters, the Prandtl number Pr, the elastic number E and the conduction-convection coefficient N_(cc) are from 0.001 to 10,0.0001 to 0.01, and 0.5 to 2.0, respectively. A parameter G, which is used to represent the dominance of the buoyant effect, is present in governing equations. Results indicated that elastic effect in the flow could increase the local heat transfer coefficient and enhance the heat transfer of a stretching sheet. In addition, same as the results from Newtonian fluid flow and conduction analysis of a stretching sheet, a better heat transfer is obtained with a larger N_(cc), G, and E.

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