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Modular approach to analysis of chemically recuperated gas turbine cycles

Carlo Carcasci ; Bruno Facchini ; Simon Harvey (Institutionen för värmeteknik och maskinlära)
Presented at the International Gas and Turbine & Aeroengine Congress & Exhibition Stockholm, Sweden, June 2-June 5, 1998 (1103-2952). (1998)
[Konferensbidrag, refereegranskat]

Current research programmes such as the CAGT programme investigate the opportunity for advanced power generation cycles based on state-of-the-art aeroderivative gas turbine technology. Such cycles would be primarily aimed at intermediate duty applications. Compared to industrial gas turbines, aeroderivatives offer high simple cycle efficiency, and the capability to start quickly and frequently without a significant maintenance cost penalty. A key element for high system performance is the development of improved heat recovery systems, leading to advanced cycles such as the humid air turbine (HAT) cycle, the chemically recuperated gas turbine (CRGT) cycle and the Kalina combined cycle. When used in combination with advanced technologies and components, screening studies conducted by research programmes such as the CAGT programme predict that such advanced cycles could theoretically lead to net cycle efficiencies exceeding 60%. In this paper, the authors present the application of the modular approach to cycle simulation and performance predictions of CRGT cycles. The paper first presents the modular simulation code concept and the main characteristics of CRGT cycles. The paper next discusses the development of the methane–steam reformer unit model used for the simulations. The modular code is then used to compute performance characteristics of a simple CRGT cycle and a reheat CRGT cycle, both based on the General Electric LM6000 aeroderivative gas turbine.

Nyckelord: Chemical recuperation; Reheat gas turbine; Methane-steam reforming CRGT cycles; Gas turbine cycle simulation;


Coauthors: Carlo Carcasci, Bruno Facchini (University of Florence, "Sergio Steceo" Department of Energy Engineering, via Santa Marta 3, 50139 Florence, Italy



Denna post skapades 2007-07-20. Senast ändrad 2015-07-28.
CPL Pubid: 44351

 

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Institutioner (Chalmers)

Institutionen för värmeteknik och maskinlära (1949-2002)

Ämnesområden

Kemiteknik

Chalmers infrastruktur