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TECHNICAL PAPERS: Gas Turbines: Heat Transfer

Gas Turbine Engine Durability Impacts of High Fuel-Air Ratio Combustors—Part II: Near-Wall Reaction Effects on Film-Cooled Heat Transfer

[+] Author and Article Information
D. R. Kirk, G. R. Guenette, S. P. Lukachko, I. A. Waitz

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

J. Eng. Gas Turbines Power 125(3), 751-759 (Aug 15, 2003) (9 pages) doi:10.1115/1.1606473 History: Received November 27, 2001; Online August 15, 2003
Copyright © 2003 by ASME
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References

Figures

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Test section and flat plate details
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Sample pressure, wall temperature, and wall heat flux traces, T=2000 K
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Wall temperature distributions (ζ=0.0) for three wall heat flux distributions
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Flat plate heat transfer results
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Sample of film-cooling test result
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Augmented heat flux due to local reaction, B=1.0,H*=0.18, Da=20
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Maximum change, B=1.0,H*=0.005–0.8
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Comparison of B=0.5 versus 2.0, H*=0.18, Da=24
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Numerical study results for adiabatic wall cases
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Scaled data set for B=1.0,H*=0.05–0.8
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Scaled data set for H*=0.18–0.8
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Decay in film effectiveness due to local reactions, H*=0.54, Da=25

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