CONTROL METHOD FOR COMBUSTION SYSTEM, COMBUSTION SYSTEM, AND DIESEL ENGINE

In a control method for the combustion system, spatial intensities of entrainment effects in a cylinder of fuel sprays of the two injections can be superimposed by means of two main fuel injections, two organizations of the fuel sprays for a flow field in the cylinder are implemented, by determining...

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Bibliographische Detailangaben
Hauptverfasser:	TAN, Xuguang, TONG, Dehui, GU, Yuncheng, LIU, Xiaoxin, ZHOU, Peng, PANG, Bin
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	In a control method for the combustion system, spatial intensities of entrainment effects in a cylinder of fuel sprays of the two injections can be superimposed by means of two main fuel injections, two organizations of the fuel sprays for a flow field in the cylinder are implemented, by determining a duration and a first injection pressure of first main fuel injection, a cylinder pressure can at least reach an upper limit threshold of the cylinder pressure; and during second main fuel injection, in a time period when the cylinder pressure drops from the upper limit threshold of the cylinder pressure to a set cylinder pressure, a change rate of the curve slope of a cylinder pressure change curve at each time point is within a set range of slope change rates, and a rotation angle of a crankshaft is not smaller than a first preset rotation angle.