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TECHNICAL PAPERS: Gas Turbines: Industrial and Cogeneration

Parametric Study on Economic Feasibility of Microturbine Cogeneration Systems by an Optimization Approach

[+] Author and Article Information
Satoshi Gamou, Ryohei Yokoyama, Koichi Ito

Department of Energy Systems Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Sakai, Osaka 599-8531, Japan

J. Eng. Gas Turbines Power 127(2), 389-396 (Apr 15, 2005) (8 pages) doi:10.1115/1.1806836 History: Received October 01, 2002; Revised March 01, 2003; Online April 15, 2005
Copyright © 2005 by ASME
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References

Figures

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Schematic diagram of a microturbine cogeneration system
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Concept for problem of finding maximum energy demand at which optimal number of MTU changes
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Example of map expressing the relationship between the optimal numbers and the maximum energy demands
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Concept for solution method
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Hourly energy demands (hotel with maximum electricity demand of 400 kWh/h)
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Relationship between intake air temperature and maximum output power or electrical generating efficiency at rated load
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Ambient air temperature
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Map expressing relationship between optimal numbers and maximum energy demands (case 1)
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Map expressing relationship between optimal numbers and maximum energy demands (case 2)
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Map expressing relationship between optimal numbers and maximum energy demands (case 3)
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Map expressing relationship between optimal numbers and maximum energy demands (case 4)
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Annual total cost (case 1)
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Annual total cost (case 2)
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Annual total cost (case 3)
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Annual total cost (case 4)
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Reduction rate of annual total cost
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Optimal equipment capacity (case 1)
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Optimal equipment capacity (case 2)
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Optimal equipment capacity (case 3)
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Optimal equipment capacity (case 4)

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