天然气发动机工作方式选择分析

摘要

比较了天然气发动机稀燃方式和理论空燃比方式下的排放情况、经济性能、动力性能、可靠性和耐久性。对改装汽车采用何种工作方式，提出了相应的建议。%The operating strategy for SI gas engines, which is stoichiometric or lean burn, is decided by power output, fuel economy and emissions. The proposal to determine operating strategy for gas engines has been given.