RESEARCH PAPERS: Gas Turbines: Vehicular

Optimization of Regenerated Gas Turbines

[+] Author and Article Information
D. S. Beck

Wellesley, MA 02181

J. Eng. Gas Turbines Power 118(3), 654-660 (Jul 01, 1996) (7 pages) doi:10.1115/1.2816698 History: Received February 18, 1994; Online November 19, 2007


An algorithm for the optimization of regenerated gas turbines is given. For sets of inputs that are typical for automotive applications, the optimum cycle pressure ratio and a set of optimized regenerator parameters that maximize thermal efficiency are given. A second algorithm, an algorithm for sizing regenerators based on outputs of the optimization algorithm, is given. With this sizing algorithm, unique regenerator designs can be determined for many applications based on the presented optimization data. Results of example sizings are given. The data indicate that one core (instead of two cores) should be used to maximize thermal efficiency. The data also indicate that thermal efficiencies of over 50 percent should be achievable for automotive applications if ceramic turbines are used.

Copyright © 1996 by The American Society of Mechanical Engineers
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