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Abstract
Heat transfer enhancing surfaces are of interest for a wide range of industrial applications. The aim of this article is to provide a robust automated method for the design of two-dimensional enhanced surfaces. Multiobjective optimization algorithms are employed; the competing objectives addressed are the maximization of the heat transfer and the minimization of the pressure drop for Re = 1,000 and Pr = 0.74. The surfaces are parameterized with Bézier curves, and a finite-volume solver is used for the computational fluid dynamics analysis. The optimization is based on different algorithms used sequentially. Finally, a robust design assessment analysis is carried out on two configurations.
Scientific support by Prof. G. S. Barozzi and Ing. E. Stalio is gratefully acknowledged. Thanks to ES.TEC.O. Srl (www.esteco.com) for technical support. This work was funded by the Italian Research Bureau MUR.
