从天然气的理化特性、重庆的特点和客车的设计制造方面分析了CN G 大客车发动机温度过高的原因, 并从提高发动机比功率、改变发动机结构参数和强化冷却系统等方面提出了治理措施。关键词: 天然气 发动机 温度 治理Abstract: Th is paper analyses the causes of overheat of the CN G bus engine by tak ing into account the p roperties of the natural gas physical2chem istry, the characteristics of the bus design and manufacture asw ell as the service conditions in Chongqing. Then it puts forw ard some imp rovements, including increasing the engine specific pow er, changing the engine structural parameters and reinforcing the engine cooling system.Key words:N atural gas, Engine, Temperature, T reatment
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