Power optimization of open-cycle regenerator gas-turbine power-plants

Lingen Chen, Ye Li, Fengrui Sun and Chih Wu

Applied Energy, 2004, vol. 78, issue 2, 199-218

Abstract: A performance analysis and optimization of a open-cycle regenerator gas-turbine power-plant is performed in this paper. The analytical formulae about the relation between power output and cycle overall pressure-ratio are derived taking into account the eight pressure-drop losses in the intake, compression, regeneration, combustion, expansion and discharge processes and flow process in the piping, the heat-transfer loss to the ambient environment, the irreversible compression and expansion losses in the compressor and the turbine, and the irreversible combustion loss in the combustion chamber. The power output is optimized by adjusting the mass-flow rate and the distribution of pressure losses along the flow path. Also, it is shown that the power output has a maximum with respect to the fuel-flow rate or any of the overall pressure-drops and the maximized power output has an additional maximum with respect to the overall pressure-ratio. The numerical example shows the effects of design parameters on the power output and heat-conversion efficiency.

Keywords: Open; cycle; regenerator; gas-turbine; Power; output; Heat-conversion; efficiency; Pressure-drop; loss; Power; optimization (search for similar items in EconPapers)
Date: 2004
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Citations: View citations in EconPapers (4)

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