Internal combustion engine with fast combustion, and method for the internal combustion engine

A method for controlling the operation of an internal combustion engine, which comprises one or more cylinders and respective pistons sliding in the cylinders between a top dead center and a bottom dead center and operatively connected to a crankshaft, wherein in each cylinder during each operating cycle subsequent intake, compression, expansion and discharge stages are carried out,

• wherein the engine comprises, for each cylinder:
• a first intake duct and a second intake duct opening into the cylinder in spaced apart positions and both communicating with a same intake manifold, so as to receive air at the same pressure,
• a first intake valve and a second intake valve associated with the cylinder, to control the entry into the cylinder of a flow of intake air from the first intake duct and the second intake duct, respectively, during an intake stage in each operating cycle of the cylinder, and
• a device for actuating said first intake valve and said second intake valve, to control, during the intake stage in each operating cycle of the cylinder, an opening movement and a subsequent closing movement of said first intake valve and said second intake valve,
• controlling, by means of said actuation device of said first intake valve and said second intake valve, during the intake stage in each cylinder operating cycle, firstly an opening and subsequent closing movement of only said first intake valve, while the second intake valve remains closed and subsequently an opening and subsequent closing movement of only said second intake valve, while the first intake valve remains closed,
• in such a way that the entering into the cylinder at different times of the air flows from the two intake ducts communicating with the same intake manifold, produces an increase in turbulent kinetic energy.