Combustion time in the engine cylinder and its effect on engine performance (1928)
NASA Technical Reports Server (NTRS) · leaf 6
at the same /au ■Q 60 ■ ^0 20 FlO.5 speed and with the same spark advance in both runs. The flame velocities in the two cases should therefore be equal at the start of combustion and would be expected to vary only with t-emperature, pressure, and charge density as the burning progressed. For an… … ^ ZO" 10' 0' . . l^' 20° 30' 40' S3' 60' Crank posWon, degress from upper cenfer Yia.S runs would vary in the same marmer with pressure. If it is assumed that the flame advances radially from the point of ignition, flame velocities can be estimated for the two cases by means of Formiila 1.^ The…
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
