CFD simulation of internal flow field of pure electric new energy buses in summer
Compared with traditional buses,there was no obvious heat source in the pure electric new energy bus,and the outside temperature and air conditioning system have a great influence on the air flow in the cabin,so a simplified model of a 52-seat pure electric new energy bus was established,the standard k-ε turbulence model was used,and the theory of computational fluid dynamics was used to obtain the contour map of the temperature field and velocity field inside the cabin under high temperature conditions in hot summer,and the influence of the air supply temperature and speed of the air conditioning system in the cabin on the temperature field and speed field of the occupants in the car were simulated.The results of this study provided an optimization basis for reducing energy loss and improving passenger comfort in new energy buses.
new energy busesair conditioning systemCFDtemperature fieldvelocity field
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