Abstract： |
With two time sprays controls straight spurts executes the gasoline engine to reduce fire burning the method, this method through carries on in the cylinder two time fuel injection, forms the thick thin different lamination mixture air, first causes rich mixture kcarburettork the spontaneous combustion fire. Adjusts the time and the proportion which two time blows may control the lamination carburetion the time and the density, thus may adjust and control the HCCI burning the fire time and the reduction catches fire; At the same time, because has formed district order burning, thus may control, accurate. Indicated on the real engine experiment that, this method may enhance gasoline engine HCCI the burning stability, example NOx discharges is 0~230ppm, the comparatively same compound under gasoline engine reduces NOx to discharge above 95%, the non- carbon smoke discharges, the fuel oil consumption rate achieves the diesel engine level. |
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