既燃ガス中に噴射された新気の発光と着火

抄録

A fresh fuel-air mixture is injected in the form of a small weak jet into high-temperature burned gases, and ignition delays are measured to obtain the effects of burned-gas addition to the fresh mixture on the preflame reaction for ignition. The delay time up to the luminous emission shows characteristics of no fuel sensitivity, short ignition delay, and small activation energy in this ignition system. Some components contained in the burned gases interact with the injected fresh mixture, and the intermediates created herewith will promote initiation reactions for the fuel ignition during the preflame period up to the luminous onset and real ignition.