Design Optimization of the Graz Cycle Prototype Plant

Author:

Jericha Herbert1,Go¨ttlich Emil1,Sanz Wolfgang1,Heitmeir Franz1

Affiliation:

1. Institute for Thermal Turbomachinery and Machine Dynamics, Graz University of Technology, Inffeldgasse 25, A-8010 Graz, Austria

Abstract

Introduction of closed-cycle gas turbines with their capability of retaining combustion generated CO2 can offer a valuable contribution to the Kyoto goal and to future power generation. The use of well-established gas turbine technology enhanced by recent research results enables designers even today to present proposals for prototype plants. Research and development work of TTM Institute of Graz University of Technology since the 1990s has lead to the Graz cycle, a zero-emission power cycle of highest efficiency and with most positive features. In this work the design for a prototype plant based on current technology as well as cutting-edge turbomachinery is presented. The object of such a plant shall be the demonstration of operational capabilities and shall lead to the planning and design of much larger units of highest reliability and thermal efficiency.

Publisher

ASME International

Subject

Mechanical Engineering,Energy Engineering and Power Technology,Aerospace Engineering,Fuel Technology,Nuclear Energy and Engineering

Reference16 articles.

1. Bolland, O., Kvamsdal, H., and Boden, J., 2001, “A Thermodynamic Comparison of the Oxy-Fuel Power Cycles Water-Cycle, Graz-Cycle and Matiant-Cycle,” Proc. of the Intern. Conf. Power Generation and Sustainable Development, Lie`ge, Belgium.

2. Jericha, H., and Starzer, O., 1991, “Steam Cooled Hydrogen/Oxygen Combustion Chamber for the High-Temperature-Steam Cycle,” CIMAC, Florence, Italy.

3. Jericha, H., Sanz, W., Woisetschla¨ger, J., and Fesharaki, M., 1995, “CO2–Retention Capability of CH4/O2—Fired Graz Cycle,” CIMAC, Interlaken, Switzerland.

4. Jericha, H., and Fesharaki, M., 1995, “The Graz Cycle–1500°C Max Temperature Potential H2-O2 Fired CO2 Capture with CH4-O2 Firing,” ASME Paper 95-CTP-79.

5. Jericha, H., Lukasser, A., and Gatterbauer, W., 2000, “Der “Graz Cycle” fu¨r Industriekraftwerke gefeuert mit Brenngasen aus Kohle- und Schwero¨lvergasung,” VDI Berichte 1566, Essen, Germany (in German).

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