3、确定中冷器优化的方向及优化措施。关键词:CFD技术;柴油机;冷器数值模拟;设计IV湖南涉外经济学院本科生毕业论文(设计)IV湖南涉外经济学院本科生毕业论文(设计)ABSTRACTThe article introduces the structure theory of High EfficiencyHeat and Plate-fin Heat Exchange by elaborating the types and structures of the Int. Simultaneously, it estimates the temperature of Don
4、9 ChaochaiY4100ZLQ turbo engine aft pressurization, air mass flow rate and pressure ratio and calculates the inlet flow and inlet temperature through the pressurized air in the Inter. Then, according to the air flow generated by the fan, the environment temperature and the outlet temper
5、ature of the Int, it calculates the dissipating heat of the Int and then determines the heat transfer coefficient of the Inter The third is to check the loss of the hydraulic pressure, boosted temperature and the area of heat dissipation. The fourth part is to draw the map of the desig
6、ned parts of the by software, using the front processor Gambit of Fluent, one of the CFD commercial software, meshes the Int and defines the boundary conditions, and then sets the boundary conditions by input into the Fluent software, simulation calculation and result analysis. Finally,
7、 it determines the optimization direction and measures of the Inter. Keywords: CFD technology; Diesel engine; Cooler numerical simulation; design VI湖南涉外经济学院本科生毕业论文(设计)VI湖南涉外经济学院本科生毕业论文(设计)目录诚信声明……………………………………...………….............………………………....Ⅰ摘要……………………………………....................