NDLI: Multi-Objective Shape Optimization of Convective Wavy Channels

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Nobile, Enrico Pinto, Francesco Rizzetto, Gino
Copyright Year	2005
Abstract	In this paper we describe a procedure for the multi-objective shape optimization of periodic wavy channels, representative of the repeating module of an ample variety of heat exchangers. The two objectives considered are the maximization of heat transfer rate and minimization of friction factor. Since there is no a single optimum to be found, we use a Multi-Objective Genetic Algorithm and the so-called Pareto’s dominance concept. The optimization of the periodic channel is obtained, by means of an unstructured Finite Element solver, for a fluid of Prandtl number Pr = 0.7, assuming fully developed velocity and temperature fields, and steady laminar conditions. For the two-dimensional case, the geometry is parameterized either by means of linear-piecewise profiles, or NURBS, and their control points represent the design variables. The three-dimensional channels are obtained by simple extrusion of the two-dimensional geometries. The results obtained are very encouraging, and the procedure described can be applied, in principle, to even more complex problems.
Sponsorship	Heat Transfer Division and Electronic and Photonic Packaging Division
Starting Page	829
Ending Page	838
Page Count	10
File Format	PDF
ISBN	0791847322
DOI	10.1115/HT2005-72635
e-ISBN	0791837629
Volume Number	Heat Transfer: Volume 2
Conference Proceedings	ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems
Language	English
Publisher Date	2005-07-17
Publisher Place	San Francisco, California, USA
Access Restriction	Subscribed
Subject Keyword	Temperature Shape optimization Heat exchangers Optimization Genetic algorithms Design Geometry Fluids Prandtl number Friction Extruding Finite element analysis Heat transfer
Content Type	Text
Resource Type	Article

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