TITLE:
The Effect of Ignition Parameters on the Combustion Characteristics of an Aviation Piston Engine
AUTHORS:
Luda Zhu, Wenming Cheng, Eryang Liu, Shupeng Wang
KEYWORDS:
Aircraft Piston Engines, Aviation Kerosene, Ignition, Combustion Characteristics, Knock
JOURNAL NAME:
World Journal of Engineering and Technology,
Vol.12 No.2,
April
8,
2024
ABSTRACT: A cylinder combustion simulation model was established for a two-stroke aviation piston engine used in a small unmanned aerial vehicle. The influence of different ignition system parameters on the combustion process of aviation kerosene was studied using this model. The research results showed that under the working conditions of 5500 r/min and 50% throttle opening, as the ignition energy increased, the peak values of average cylinder pressure and average temperature increased, and the combustion duration shortened, The advance of the combustion center of gravity increases the tendency of the engine to knock. Under the same operating conditions, as the ignition timing advances, the peak values of average pressure and average temperature in the cylinder increase, gradually approaching the top dead center, and the tendency of engine detonation increases more significantly.