To obtain the state of heat and mass transfer inside Venturi tube is very helpful to guide design and management of Venturi tube.

This paper introduces the layout of exhaust gas recirculation system in parallel with venturi tube of YC6105ZLQ diesel engines, basic principles and dimension calculation on venturi tube.

Based on the problems existed in Venturi tube throat of double Venturi tube wet cleaning system, the rectangle sizing throat is developed and designed.