Numerical simulation of airflow and concentration fields in air-conditioning vehicle passenger compartment

被引:0
作者
Xiang, Li-Ping [1 ,2 ]
Wang, Han-Qing [1 ,3 ]
机构
[1] School of Energy Science and Engineering, Central South University, Changsha 410083, China
[2] School of Energy and Safety Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
[3] School of Civil Engineering, Hunan University of Technology, Zhuzhou 412008, China
来源
Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology) | 2010年 / 41卷 / 05期
关键词
Air intakes - Air quality - Computer software - Temperature distribution - Computational fluid dynamics - Contamination - Air - Heat transfer - Air conditioning - Computation theory;
D O I
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中图分类号
学科分类号
摘要
Based on the computational fluid dynamics and numerical heat transfer theory, the three-dimension airflow, temperature fields and contaminant distribution in passenger vehicle were calculated numerically by k-Ε turbulence model and Fluent software. Taking exhalant CO2 of passengers as representative contaminant, the concentration fields were investigated. The results show that the body heat and solar radiation have great influence on airflow and temperature fields. The temperature in occupied zone is uniform, it is higher than that of other zones around driver's head zone, which hurts passenger's and driver's thermal comfort. The concentration is low in driver's zone, and the concentration in rear section is lower than that in middle section. But the occupied zone with crowded passengers gathers contaminant easily and contaminant in respiratory region is higher. The air is exchanged by the intake, the concentration in middle section is the highest.
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页码:2017 / 2021
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