F - Mech Eng,Light,Heat,Weapons – 02 – K
Patent
F - Mech Eng,Light,Heat,Weapons
02
K
60/63
F02K 7/14 (2006.01) F02K 7/10 (2006.01)
Patent
CA 2034466
Abstract of the Disclosure A method of operating a scramjet engine having an improved low pressure combustion cycle is disclosed. Apparatus for carrying out the method is also disclosed. The method includes the steps of providing supersonic compressed airflow to a combustor and supplying fuel to the combustor for generating a fuel/air mixture having a predetermined temperature less than a temperature required for spontaneous ignition of the fuel/air mixture. The method also includes igniting the fuel/air mixture for sustaining recombination reactions of the fuel/air mixture for generating combustion gases. In the preferred embodiment, the fuel/air mixture is ignited by generating a boundary layer of airflow having atomic oxygen and channeling the boundary layer into the combustor for mixing with a portion of the fuel for generating a boundary layer fuel/oxygen mixture subject to spontaneous ignition. The method results in combination at a relatively low temperature and pressure which is effective for increasing the combination rate for providing more complete combustion of the fuel/air mixture while additionally providing primary pressure increase in the combustor as compared to an inlet of the scramjet engine.
Coffinberry George A.
Company General Electric
Craig Wilson And Company
LandOfFree
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