A grid model will be established for simulation in the analysis. The purpose of design is to deal with the data and set up the improved model.Ī mathematical model must be created to reflect its motion in order to analyze the air flow in the intake manifold. The basis of design is to obtain the data. So the reverse engineering will be used to improve the intake manifold structure. Therefore, it is not helpful to improve the intake manifold design because the test method is limited, uncertain, high cost, and long period, and the flow condition can be neither truly reflected nor the internal flow field can be analyzed in detail in the manifold. So experts are constantly trying and innovating, and a lot of experiment shows it is possible for reverse engineering to be introduced and gradually put into use in the car design to improve vehicle power, economy, and emission performance.ĭue to the complex structure of the intake manifold, it can be modified and optimized according to the experience, and the performance of the intake manifold is only evaluated through the steady flow test in the automobile design. But, the advanced core technology cannot be grasped in some of the Chinese enterprises. However, the vehicle structure is supposed to be redesigned continuously to meet energy saving and environmental protection due to the energy shortage and serious air pollution. With the improvement of people’s living standards, the car has become an indispensable travel tool. It proves that the reverse technology is reasonable for the intake manifold design through the theory and simulation analysis it can ensure sufficient air intake and reduce the intake resistance and energy loss of the air, and can improve the air intake uniformity. Key parameters design of the intake manifold relies on the results. These are performed about the simulation of the fluid pressure field, velocity field, flow field, and local flow field in the manifold. The 3D geometry model of the intake manifold is grid with the Gambit software and the divided grid data is imported into the Fluent. A3D model of the intake manifold is build according to the CATIA software fluid mathematical is set up by computational fluid dynamics method. It is difficult to design the engine intake manifold in normal method because of the complex structure, and the real situation of fluid movement in the manifold cannot be obtained through the steady flow test, so the optimized design is proposed about the engine intake manifold based on reverse engineering.
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