Method and device for determining flow characteristics of air inlet channel of engine

• Main Authors: ZHANG JIMING, TUO HANYUN, WU TIANTIAN, ZHANG WENLONG, YIN MANLI
• Format: Patent
• Language: Chinese; English
• Published: 12.03.2024
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

The invention provides an engine air inlet flow characteristic determination method and device, and relates to the technical field of engines, and the method comprises the following steps: obtaining a plurality of different air inlet valve lifts according to an air inlet valve lift curve of an engine; based on a pre-constructed engine air inlet channel three-dimensional model and/or a preset boundary condition, flow characteristic indexes, corresponding to the multiple different air inlet valve lifts, of the engine air inlet channel are determined; and an average flow characteristic index is obtained according to the flow characteristic indexes, corresponding to the multiple different inlet valve lifts, of the air inlet of the engine. The flow characteristics of the air inlet channel can be reflected more accurately, follow-up targeted optimization of the air inlet channel is facilitated, and the development period, cost and risk of the air inlet channel can be reduced. 本申请提供一种发动机进气道流动特性确定方法及装置，涉及发动机技术领域，该方法包