Combustion Efficiency and Altitude Operational Limits of Three Liquid Hydrocarbon Fuels Having High Volumetric Energy Content in a J33 Single Combustion

Edward G. Stricker

ม.ค. 1950 · National Advisory Committee for Aeronautics

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The combustion efficiency and the altitude operational limits of three liquid hydrocarbon fuels having high volumetric energy content (decalin, tetralin, and monomethylnaphthalene) were compared with an AN-F-58 fuel in a single tubular combustor from a J33 turbojet engine. The investigation covered a range of simulated engine conditions for altitudes from 20,000 to 60,000 feet; 42- to 107-percent normal rated engine speed; and a flight Mach number of 0.6. The independent effects of combustor-inlet-air temperature, pressure, and mass air flow on the combustion efficiency of the fuels were determined around a standard combustion-inlet condition.