Unburned Hydrocarbon Emissions of Wankel Type Rotary Piston Engine : 1st Report, The Source of Unburned Hydrocarbon

Abstract

Unburned hydrocarbon of Wankel type rotary piston engine is mainly emitted at the trailing portion of the combustion chamger. And, gas leakage, large surface to volume ratio of combustion chamber, and crevice volume and also caused by unburned hydrocarbon emission.