RESEARCH PAPERS: Gas Turbines: Cycle Inovations

Dual Brayton Cycle Gas Turbine Pressurized Fluidized Bed Combustion Power Plant Concept

[+] Author and Article Information
X. L. Yan, L. M. Lidsky

Longmark Power International Inc., One Kendall Square Suite 2200, Cambridge, MA 02139

J. Eng. Gas Turbines Power 120(3), 566-572 (Jul 01, 1998) (7 pages) doi:10.1115/1.2818184 History: Received March 01, 1997; Online November 19, 2007


High generating efficiency has compelling economic and environmental benefits for electric power plants. There are particular incentives to develop more efficient and cleaner coal-fired power plants in order to permit use of the world’s most abundant and secure energy source. This paper presents a newly conceived power plant design, the Dual Brayton Cycle Gas Turbine PFBC, that yields 45 percent net generating efficiency and fires on a wide range of fuels with minimum pollution, of which coal is a particularly intriguing target for its first application. The DBC-GT design allows power plants based on the state-of-the-art PFBC technology to achieve substantially higher generating efficiencies, while simultaneously providing modern gas turbine and related heat exchanger technologies access to the large coal power generation market.

Copyright © 1998 by The American Society of Mechanical Engineers
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