Experimental Development and Key Technology Research of High Efficiency Lean Burn Engine
摘要
The effect of super lean burn on engine performance was studied on a self-developed pre-chamber multi-cylinder engine in this paper. The main work is to develop a pre-chamber multi-cylinder engine based on the high efficiency pre-chamber ignition and combustion system of a thermodynamic single cylinder engine, matching the special lean burn high efficiency turbochargers, and low friction technologies, achieved a brake thermal efficiency of 46.14% based on the engine bench test. This paper mainly analyses the effects of intake ports, intake camshafts and turbochargers of different design schemes on the efficiency, combustion in cylinder and NOx emission of super lean burn pre-chamber engine.