TECHNICAL PAPERS: Gas Turbines: Combustion and Fuel

Flashback in Lean Prevaporized Premixed Combustion: Nonswirling Turbulent Pipe Flow Study

[+] Author and Article Information
O. Schäfer, R. Koch, S. Wittig

Institute of Thermal Turbomachinery, Department of Mechanical Engineering, University of Karlsruhe, Kaiserstrasse 12, 76128 Karlsruhe, Germany

J. Eng. Gas Turbines Power 125(3), 670-676 (Aug 15, 2003) (7 pages) doi:10.1115/1.1581897 History: Received December 01, 2000; Revised March 01, 2001; Online August 15, 2003
Copyright © 2003 by ASME
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Schematic of the test rig
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Flashback from the combustor to the fuel injector
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Upstream flame propagation
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Flashback into premixing duct (TP=TS=573 K, 10 deg atomizer)
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Critical mean velocities at flashback for different fuel distributions (TP=TS=573 K)
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Temperature dependence of flashback
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Velocity distribution for flashback




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