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TECHNICAL PAPERS: Gas Turbines: Combustion and Fuel

High Power Density Silicon Combustion Systems for Micro Gas Turbine Engines

[+] Author and Article Information
C. M. Spadaccini, J. Lee, S. Lukachko, I. A. Waitz

Gas Turbine Laboratory, Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, Cambridge, MA 02139

A. Mehra

D-STAR Engineering Corporation, Shelton, CT 06484

X. Zhang

Department of Manufacturing Engineering and Franhofer USA Center for Manufacturing Innovation, Boston University, Boston, MA 02115

J. Eng. Gas Turbines Power 125(3), 709-719 (Aug 15, 2003) (11 pages) doi:10.1115/1.1586312 History: Received December 01, 2001; Revised March 01, 2002; Online August 15, 2003
Copyright © 2003 by ASME
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References

Figures

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Plots of exit gas temperature and efficiency for dual-zone combustor with hydrogen-air
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Efficiency comparison of dual-zone combustor to baseline six-wafer combustor
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Comparison of dual-zone combustors with different primary zone sizes
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Efficiency for ethylene and propane in the baseline six-wafer combustor
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Efficiency for ethylene and propane in the dual-zone combustor
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Operating space for six-wafer and dual-zone combustors
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Damköhler number versus chemical efficiency for several microcombustors
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Nondimensional operating space
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Baseline engine schematic
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Microcombustor design space
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Schematic and SEM of 0.066 cm3 microcombustor
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Schematic and SEM of six-wafer combustor
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SEMs of combustion chamber inlets
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Schematic of the dual-zone combustor
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Fully packaged microcombustor
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Plots of exit gas temperature and efficiency for annular six-wafer combustor with premixed hydrogen-air
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Reaction time, residence time, and Dah
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Efficiency for slotted inlet six-wafer combustor
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Temperature (K) contours for annular inlet combustor
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Temperature (K) contours for slotted inlet combustor
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Efficiency for fuel injection schemes

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