摘要
目的 开展特种车辆夏季野外作训条件下,太阳辐照引起车体甲板温度和舱室空气温度变化的数值仿真分析研究,建立太阳辐照强度-车体甲板温度-舱室空气温度三者之间的关联关系仿真模型,为下一步开展特种车辆舱室环境温度控制提供技术支撑。方法 采用流体力学仿真模拟方法,建立太阳辐照强度与特种车辆车体甲板温度仿真模型,获得车体甲板表面温度的分布规律,将仿真计算结果与实测结果进行对比。建立特种车辆舱室空气温度的仿真模型,分析舱内空气温度的变化规律,对比仿真结果与实测结果,验证仿真模型的准确性。结果 分别将太阳辐照强度-车体甲板温度仿真模型和舱室空气温度仿真模型的仿真计算结果与试验结果进行对比,最大误差均小于10%,表明建立的关系模型具有可信度。结论 运用流体力学模拟仿真方法建立了太阳辐照强度-车体甲板温度-舱室空气温度的关系模型,为开展舱室温度控制系统设计提供了理论依据。
The work aims to conduct the numerical simulation analysis on the changes in vehicle deck temperature and ca-bin air temperature caused by solar radiationunder the conditions of outdoor training of special vehicles during summer and es-tablish a numerical simulation model for the relationship between solar radiation intensity,vehicle deck temperature,and cabin air temperature,which will provide technical support for the next step of environmental temperature control of special vehicle cabins.Fluid dynamics numerical simulation technology was utilized to establish a model for the relationship between solar radiation intensity and deck temperature of special vehicle,the distribution law of surface temperature on the vehicle deck was obtained and the simulation results were compared with experimental results.By establishing a simulation model for air temper-ature in special vehicle cabins,the change law of air temperature inside the cabin was analyzed and the simulation results were compared with measured results to verify the accuracy of the simulation model.The simulation results of the relationship model between solar radiation intensity and vehicle deck temperature,as well as the numerical model of cabin air temperature,were compared with the experimental results.The maximum errors were all less than 10%,indicating the reliability of the numerical simulation model.The relationship model between solar radiation intensity,vehicle deck temperature,and cabin air temperature has been established by fluid dynamics simulation methods,which will provide a theoretical basis for the design of cabin tem-perature control system.
作者
李平
王学友
张伟
刘晓峰
LI Ping;WANG Xueyou;ZHANG Wei;LIU Xiaofeng(Hygiene Research Institute of Ordnance Industry,Xi'an 710065,China)
出处
《装备环境工程》
CAS
2024年第11期155-162,共8页
Equipment Environmental Engineering
关键词
特种车辆
太阳辐照
甲板温度
舱室温度
流体力学仿真
关系模型
special vehicles
solar radiation
deck temperature
cabin temperature
fluid dynamics simulation
relationship model
