Abstract

The engineering vehicle radiator module is an important part of the cooling system. The heat transfer performance of a radiator module has a direct impact on the state of cooling system thermal equilibrium. Therefore, it is essential for the engine vehicle to make accurate calculation of the heat transfer performance. Both the air flow rate through the radiator module and air flow distribution in the engine compartment are important parameters affecting the heat transfer performance of the radiator modules. In the simulation, the characteristic of air flow through the radiator module in engine compartment is researched. The simulation results were validated with experimental data. The research results indicate that the hot air reflow in engine compartment is the main factor that leads to radiator module overheating.

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