Annual Report of the National Advisory Committee for Aeronautics

A. S. T. M. Aviation A. S. T. M. Supercharge aerodynamic aileron Aircraft airfoil airplane alkylate analysis angle of attack approximately aromatic aspect ratio autoignition benzene blade blends boundary layer calculated cascade combustion compression ratio compressor constant coolant curves cylinder deflection determined distribution effect end gas engine speed enthalpy equation ether experimental flame flight flutter frames frequency fuel flow fuel-air ratio function gasoline heat hydrocarbons ignition temperature imep inch Inconel increase indicated inflammable injection inlet-air temperature investigation isooctane Langley Langley Aeronautical Laboratory lift coefficient load Mach number matrix maximum mean effective pressure method Methyl tert-butyl ether mixture ml TEL/gal NACA obtained parameter performance number plate preignition pressure propeller Reynolds number rotating shown in figure spark advance spark-ignition strain stress Supersonic surface swept wings Technical Note tetraethyl lead theory tion triptane tube tunnel turbulent values vapor variation velocity vibrations wing