In this study, an automotive cooling system of the engine was analyzed using an exergy-based approach. The goal was to minimize the exergy destroyed by reducing the entropy generated and by minimizing the parasitic power loss. By running a two-objective optimization using a genetic algorithm within a certain range of water flow rate, a series of Pareto curves were obtained. At each speed there exists an optimal water flow rate that corresponds to the minimum consumed power and is close to a minimum in exergy destroyed. We show how an exergy method can yield operating conditions and design parameter values to reduce parasitic power losses.
Optimization of an Automotive Cooling System Based on Exergy Analysis
Sae Technical Papers
Motorsports Engineering Conference & Exposition ; 2004
2004-11-30
Aufsatz (Konferenz)
Englisch
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