TECHNICAL PAPERS: Gas Turbines: Advanced Energy Systems

The Thermoeconomic and Environomic Modeling and Optimization of the Synthesis, Design, and Operation of Combined Cycles With Advanced Options

[+] Author and Article Information
S. Pelster, D. Favrat

Laboratory for Industrial Energetics, Swiss Federal Institute of Technology of Lausanne, CH-1015 Lausanne, Switzerland

M. R. von Spakovsky

Energy Management Institute, Mechanical Engineering Department, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0238

J. Eng. Gas Turbines Power 123(4), 717-726 (Dec 01, 2000) (10 pages) doi:10.1115/1.1366323 History: Received June 01, 2000; Revised December 01, 2000
Copyright © 2001 by ASME
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Schematic view of thermoeconomic and environomic modeling and optimization
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Modeled super-configuration for the synthesis of cycle options
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Simplified representation of the synthesis, design, and operations solution space for energy systems
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The six best performing configurations for a 50 MWe/25 MWth cogeneration plant (without pollution cost internalization)
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Gas turbine pressure ratios and firing temperatures
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Gas turbine exhaust gas mass flow rate and temperature
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Combined cycle exergy efficiencies
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Investment costs per subsystem in mio. U.S. dollars
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Specific NOx and CO2 emissions
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Specific (unit) exergy cost of electricity production in CHcts/kWh
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Most significant global or near global optimum configurational changes as a function of the CO2 unit pollution costs (cts/kg=CHcts/kg)
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Exergy efficiency and specific emissions per unit of product produced
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Optimal specific exergy costs of production (cts=CHcts)
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Unit costs and penalized costs for CO2 emissions (cts=CHcts)




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