Flame blowoff studies using large-scale flameholders

Rao, KVL and Lefebvre, AH (1982) Flame blowoff studies using large-scale flameholders. In: American Society of Mechanical Engineers, International Gas Turbine, 18-22 Apr 1982, London, England.

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Abstract

Experimental and theoretical studies are carried out on the factors governing the blowoff velocities of stabilized flames supplied with flowing gaseous combustible mixtures. The test program encompasses wide variations in effective pressure, obtained using the water injection technique, and wide ranges of velocity, flameholder size, and flameholder blockage. An equation for predicting blowoff13; velocities is derived that shows good agreement with the experimental data. In the water-injection technique, low pressures are simulated by injecting water or steam into the fuel-air mixture flowing into the combustion zone. This approach makes it possible for complete stability loops to be drawn for large flameholders, up to 8 cm in

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Flame Propagation;Flame Stability;Fuel Combustion;Gas Mixtures;Flame Holders;Fluid Injection;Mass Ratios;Water
Subjects: CHEMISTRY AND MATERIALS > Inorganic, Organic and Physical Chemistry
Division/Department: Propulsion Division, Other
Depositing User: Ms Indrani V
Date Deposited: 06 Jul 2007
Last Modified: 24 May 2010 09:55
URI: http://nal-ir.nal.res.in/id/eprint/4234

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