Transient free convection of non-Newtonian fluids along a wavy vertical plate including the magnetic field effect |
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Authors: | Cha'o-Kuang Chen Yue-Tzu Yang Mong-Tung Lin |
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Affiliation: | Department of Mechanical Engineering, National Cheng Kung University, Tainan, Taiwan, ROC |
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Abstract: | A Prandtl transformation method is applied to study the transient free convection of non-Newtonian fluids along a wavy vertical plate in the presence of a magnetic field. A simple transformation is proposed to transform the governing equations into the boundary-layer equations and solved numerically by the cubic spline approximation. A simple coordinate transformation is employed to transform the complex wavy surface to a vertical flat plate for a constant wall temperature by the numerical method. The effects of the magnetic field parameter, the wavy geometry and the non-Newtonian nature of the fluids on the flow characteristics and heat transfer are discussed in detail. |
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Keywords: | free convection non-Newtonian fluids wavy vertical plate |
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