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Performance of a Turbojet Combustor Using Natural Gas Fuel Heated to 12000 F (922 K)

James S. Fear

出版	National Aeronautics and Space Administration ; [For sale for Federal Scientific and Technical Information, Springfield, Virginia 22151], 1970
URL	http://books.google.com.hk/books?id=tkBLjj0CScUC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋

Combustion efficiency was determined using natural gas fuel over a range of injection temperatures from ambient to 1200' F (922 K). The combustor was comprised of three U-gutter flameholders mounted downstream of a trumpet-shaped diffuser in a rectangulai housing. A simple film-cooled liner was used. Tests were conducted at ambient pressure over a range of fuel-air ratios and combustor reference velocities. Increases in efficiency of more than 40 percentage points were achieved at the higher fuel temperatures. The results are applicable to natural gas afterburner design and to the design of advanced low-pressure-loss primary combustors.