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RESEARCH PAPERS

Irreversibility and Thermoeconomics Based Design Optimization of a Ceramic Heat Exchanger

[+] Author and Article Information
J. Ranasinghe, S. Aceves-Saborio, G. M. Reistad

Department of Mechanical Engineering, Oregon State University, Corvallis, OR 97331

J. Eng. Gas Turbines Power 111(4), 719-727 (Oct 01, 1989) (9 pages) doi:10.1115/1.3240318 History: Received March 07, 1988; Online October 15, 2009

Abstract

This paper illustrates the optimization procedure for heat exchangers residing in complex power plants. A specific case of optimizing a new technology ceramic heat exchanger, which is a part of the complex power plant, is shown. The heat exchanger design methods presented are based on two different objective functions, namely, a modified irreversibility rate based objective function proposed by the authors in earlier work and an objective function based on thermoeconomics. This paper also extends existing work by illustrating a method to obtain the cost coefficients for thermoeconomic optimization, based on the use of an overall plant simulation model. A discussion on possible methods of improving the design guideposts obtained from irreversibility minimization analysis is also presented.

Copyright © 1989 by ASME
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