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It is proved that fuel efficiency promotion is an important method to improve the fuel economy and power output of direct-injection (DI) gasoline engines; moreover, the quality of fuel combustion is a critical factor for fuel efficiency. In DI gasoline engines, the diffusion and atomization of fuel spray are influenced by the airflow in cylinder when the spray is injected into the cylinder. The experimental...
The air flow and ambient pressure in the cylinder affect the spray significantly when the fuel is injected into the cylinder in direct injection gasoline engine. To investigate the effects of air flow at ambient pressure on the fuel spray, a critical air flow called cross-flow was tested. The cross-flow is the air flow whose direction is perpendicular to the fuel injection direction. A special wind...
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