[1]罗紫冰,陈玮玮,李鑫郡,等.地铁车厢热环境下乘员热舒适及人体温度影响因素研究[J].南京师范大学学报(工程技术版),2023,23(03):001-8.[doi:10.3969/j.issn.1672-1292.2023.03.001]
　Luo Zibing,Chen Weiwei,Li XinJun,et al.Study on the Influencing Factors of Passenger Thermal Comfort and Human Body Temperature in the Thermal Environment of Subway Cars[J].Journal of Nanjing Normal University(Engineering and Technology),2023,23(03):001-8.[doi:10.3969/j.issn.1672-1292.2023.03.001]
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地铁车厢热环境下乘员热舒适及人体温度影响因素研究
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南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
23卷
期数:
2023年03期
页码:
001-8
栏目:
动力工程及工程热物理
出版日期:
2023-09-15

文章信息/Info

Title:
Study on the Influencing Factors of Passenger Thermal Comfort and Human Body Temperature in the Thermal Environment of Subway Cars
文章编号:
1672-1292(2023)03-0001-08
作者:
罗紫冰1; 陈玮玮1; 李鑫郡1; 石金枝2; 鹿世化1
(1.南京师范大学能源与机械工程学院,江苏 南京 210023)
(2.江苏省建筑设计研究院有限公司,江苏 南京 210019)
Author(s):
Luo Zibing1; Chen Weiwei1; Li XinJun1; Shi Jinzhi2; Lu Shihua1
(1.School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210023, China)
(2.Jiangsu Provincial Architectural Design and Research Institute Co., Ltd, Nanjing 210019, China)
关键词:
地铁车厢; 热环境; 二节点模型; 热舒适; 核心温度; 皮肤温度
Keywords:
subway car;  thermal environment;  two-node model;  thermal comfort;  core temperature;  skin temperature
分类号:
TU83
DOI:
10.3969/j.issn.1672-1292.2023.03.001
文献标志码:
A
摘要:
采用现场实测和问卷调研的方式对地铁车厢的热环境参数及乘员的主观热感觉进行了调研,分析了车厢热环境参数对地铁乘员热舒适的影响. 引入二节点模型对地铁空调车厢乘员的核心温度和皮肤温度进行建模,采用有限差分法在时间单元内对耦合的非线性常微分方程组进行离散并利用MATLAB软件编程迭代求解. 将实测的1 070组实验数据与计算结果与进行对比. 结果发现,二节点模型对地铁空调车厢人体温度的预测精度较高,可用于分析在车厢环境下的人体温度影响因素. 人体特征与空调车厢热环境参数共同决定了人体温度的变化,且各因素的影响能力由大至小分别为环境温度、平均辐射温度、人体代谢率、服装热阻、相对湿度和风速. 计算方法和主要结论可为地铁空调车厢乘员热舒适研究提供理论参考.
Abstract:
The thermal environment parameters of subway cars and subjective thermal sensation of passengers are investigated by field measurement and questionnaire. The influence of thermal environment parameters on the thermal comfort of subway passengers is analyzed. A two-node model is introduced to model the core temperature and skin temperature of the passengers in the subway air-conditioned car. The finite difference method is used to discretize the coupled nonlinear ordinary differential equations in the time unit, and the MATLAB software is used to program the solution iteratively. The 1 070 sets of experimental data measured and the calculated results are compared. The results show that the prediction accuracy of the two-node model is high, so it can be used to analyze the influencing factors of human body temperature in the subway car environment. The thermal environment parameters of the subway air-conditioned car and the human body characteristics jointly determine the variation of human body temperature. The influencing ability of each factor from large to small is the ambient temperature, mean radiation temperature, human metabolic rate, dress heat resistance, relative humidity, and wind speed. The calculation methods and main conclusions of this paper can provide a theoretical reference for the research on the thermal comfort of passengers in air-conditioned subway cars.

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备注/Memo

备注/Memo:
收稿日期:2022-09-20.
通讯作者:陈玮玮,博士,讲师,研究方向:建筑节能与人体热舒适,E-mail:chenweiwei@njnu.edu.cn
更新日期/Last Update: 2023-09-15