For the diesel engine heat dissipation system of the track engineering car with heat dissipation problems,CFD simulation software is used to analyze the flow field of the original,improved,and newly constructed heat dissipa-tion systems.Based on the analysis results,the structure of the rain cover plate is optimized.The results show that the optimized structure can effectively reduce air flow resistance,make the velocity distribution in the flow field more uni-form,significantly reduce flow resistance in the channel,and be lower than the design static pressure value of the cool-ing fan,which can meet the flow requirements of the cooling system for the cooling fan.The problem of poor heat dissi-pation of diesel engines caused by excessive flow resistance is sotved which can provide reference for the design of diesel engine heat dissipation systems for track engineering car.
Track Engineering CarCooling SystemFlow Field AnalysisFlow ResistanceComputational Fluid Dy-namics
NETL
NSTL
万方数据
