TECHNICAL PAPERS: Gas Turbines: Cycle Innovations

Cycle Analysis of Gas Turbine–Fuel Cell Cycle Hybrid Micro Generation System

[+] Author and Article Information
Hideyuki Uechi, Shinji Kimijima, Nobuhide Kasagi

Department of Mechanical Engineering, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, 113-8656 Tokyo, Japan

J. Eng. Gas Turbines Power 126(4), 755-762 (Nov 24, 2004) (8 pages) doi:10.1115/1.1787505 History: Received August 26, 2002; Revised April 06, 2004; Online November 24, 2004
Copyright © 2004 by ASME
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Schematic diagrams of μGT-SOFC hybrid system
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Breakdown of exergy consumption in μGT-SOFC hybrid system
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Effects of SOFC operating temperature and TIT: (a) Power generation efficiency (LHV); (b) Heat input (LHV); (c) Fractional SOFC power output
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Effects of recuperator effectiveness: (a) Oxygen utilization in SOFC; (b) Hydrogen mass flow rate into combustor; (c) Heat input (LHV); (d) Power generation efficiency
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Effects of steam-carbon ratio: (a) Heat input (LHV); (b) Power generation efficiency; (c) Turbine outlet temperature
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Effects of pressure ratio: (a) Power generation efficiency (LHV); (b) Heat input (LHV); (c) Turbine outlet temperature; (d) Turbine tip speed
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Conceptual design of 30-kW μGT-SOFC hybrid system



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