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There are some cases where the plane of the drop point is higher, more neutral and lower. When determining this height, it should also consider the factor that the nozzle end extends out of the bottom plane of the cylinder head 2 ~ ~3mm. It is also possible to determine the height of the drop point plane in the combustion chamber, and then determine the cone Angle between the jet holes.

The shape, volume, caliber ratio and diameter-depth ratio of the combustion chamber in the piston head are related to determining the orientation of each nozzle. For example, compared with the round-mouth O-type combustor, the projection of each nozzle orientation on the top surface of the piston and the Angle between the four sides of the square mouth have certain requirements. At the same time, this Angle is closely related to the direction of airflow in the combustion chamber.

Geometric basis for the design of jet holes

As previously mentioned, this jet cone has a fine bow that is fitted between G to phase penalty or a square mouth O-type combustion chamber. The axis of the jet cone and is the intersection of the two axes). The combustion chamber in the piston top is usually a round or square w chamber. The axis of the jet cone and

The axis of the combustion chamber in the piston top and the axis of the cylinder form a included Angle. According to the law of the graph of the quadratic equation, the cone belongs to the graph of the quadratic equation, any plane and circle that is not parallel to the axis of the cone or the bus. Phase cutting, its surrounding figure is an ellipse.