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CONTROL STRATEGY FOR HCCL-CD COMBUSTION IN A DIESEL ENGINE USING TWO FUEL INJECTION PHASES
CONTROL STRATEGY FOR HCCL-CD COMBUSTION IN A DIESEL ENGINE USING TWO FUEL INJECTION PHASES
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机译:两种喷射阶段在柴油机中HCCL-CD燃烧的控制策略
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摘要
A compression ignition engine (20) has a control system (26) for processing data, one or more combustion chambers (22), and fuel injectors (24) for injecting fuel into the combustion chambers. The control system (26) controls fueling using a result of the processing of certain data, such as engine speed and engine load, to select one of two fueling modes (HCCI, HCCI-CD) for operating the engine (20). When the result of the processing selects the HCCI mode, the engine (20) is fueled to cause homogeneous-charge compression-ignition (HCCI) combustion within the combustion chambers (22). When the result of the processing selects the HCCI-CD mode, the engine (20) is fueled to create a substantially homogeneous combustible charge within each combustion chamber (22) that is compressed to auto-ignition, and after auto-ignition, more fuel is injected to provide additional combustion in the manner of the conventional diesel combustion.
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