It is shown that with adjusted ignition Angle of advance, larger compression ratio and appropriate preheating of the mixture, better fuel economy can be achieved.
指出调整点火提前角、提高压缩比以及适当预热混合气等，可以提高掺烧甲醇时燃油的经济性。
2
The zirconium dioxide oxygen sensor with heater is equipped on shanghai BUICK to check the air-fuelratio of the mixture.
上海别克轿车装配了带加热器的二氧化锆氧传感器，用以检测混合气空燃比。
3
Stoichiometric ratio of fuel-air mixture is 0.4. Convection heat exchange has adopted as a boundary condition of external surface.