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TECHNICAL PAPERS: Gas Turbines: Cycle Innovations

Aspects of Cooled Gas Turbine Modeling for the Semi-Closed O2/CO2 Cycle With CO2 Capture

[+] Author and Article Information
Kristin Jordal, Olav Bollard

Department of Energy and Process Engineering, Norwegian University of Science and Technology, N-7491 Trondheim, Norway

Ake Klang

Demag Delaval Industrial Turbines, S-612 83 Finspong, Swedene-mail: ake.klang@industrial-turbines.siemens.com

J. Eng. Gas Turbines Power 126(3), 507-515 (Aug 11, 2004) (9 pages) doi:10.1115/1.1762908 History: Received October 01, 2002; Revised March 01, 2003; Online August 11, 2004
Copyright © 2004 by ASME
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References

Figures

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Element of cooled expansion path for model M1
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Enthalpy-entropy diagram for the cooled stage model
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Velocity triangles for vane (above) and blade (below) outlet flows before and after mixing with coolant
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Models for directions of coolant and hot gas at leading edge (left) and trailing edge (right)
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Enthalpy-entropy diagram and definition of γ for the diffuser
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Oxyfuel cycle flow sheet
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Results from M1 and M2 for gas turbine operating with air (left) and CO2/H2O/O2 mixture (right)

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