Modeling of Human Thermal Regulation in the Room for Local Exposure to Solar Radiation

Liu Guodan Ji Yihang Zhu Guodong Zhong Huiyang Li Wenbin Liang Shuwei Zhang Yao Zhu Hui Hu Songtao

doi:10.12465/issn.0253-4339.20250424001

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Modeling of Human Thermal Regulation in the Room for Local Exposure to Solar Radiation

更新时间：2026-08-06

- Modeling of Human Thermal Regulation in the Room for Local Exposure to Solar Radiation
- Journal of Refrigeration Vol. 47, Issue 4, Pages: 155-166(2026)
- 作者机构：
  
  青岛理工大学环境与市政工程学院青岛 266520
- 作者简介：
- 基金信息：
  
  the National Natural Science Foundation of China(51978349)
- DOI：10.12465/issn.0253-4339.20250424001
  CLC： TB61⁺1;TU119⁺.5
- CSTR：XXXXX.XX.XXX.20250424001
- Received：24 April 2025，
  
  Revised：2025-05-11，
  
  Accepted：28 May 2025，
  
  Online First：30 January 2026，
  
  Published：16 August 2026
- 稿件说明：
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刘国丹,纪铱行,朱国栋等.太阳辐射局部暴露下在室人体热调节模型研究[J].制冷学报,2026,47(04):155-166.

Liu Guodan Ji Yihang Zhu Guodong Zhong Huiyang Li Wenbin Liang Shuwei Zhang Yao Zhu Hui Hu Songtao.Modeling of Human Thermal Regulation in the Room for Local Exposure to Solar Radiation[J].Journal of Refrigeration,2026,47(04):155-166.
刘国丹,纪铱行,朱国栋等.太阳辐射局部暴露下在室人体热调节模型研究[J].制冷学报,2026,47(04):155-166. DOI： 10.12465/issn.0253-4339.20250424001. CSTR： XXXXX.XX.XXX.20250424001.

Liu Guodan Ji Yihang Zhu Guodong Zhong Huiyang Li Wenbin Liang Shuwei Zhang Yao Zhu Hui Hu Songtao.Modeling of Human Thermal Regulation in the Room for Local Exposure to Solar Radiation[J].Journal of Refrigeration,2026,47(04):155-166. DOI： 10.12465/issn.0253-4339.20250424001. CSTR： XXXXX.XX.XXX.20250424001.

摘要

人体热调节模型可以反映身体对周围热环境的生理响应，然而现有热调节模型未能考虑太阳辐射对室内热环境及人体的非均匀作用。因此，本文对原有模型进行改进，构建了局部暴露于太阳辐射的室内人体热调节模型。区分直射和非直射区域，修正平均辐射温度的计算方法；区分直射和非直射部位，修改模型中皮肤和服装温度以及热损失的计算；并在传热量计算上增加了太阳辐射得热部分。经过实验验证，修改后的模型在预测平均皮肤温度时的相对误差小于5%，预测总热损失时的相对误差约为4%。利用该模型，进行了不同活动水平下平均皮肤温度的预测，并探讨了不同太阳辐射强度下人体整体和直射部位的热舒适区偏移规律。结果表明：辐射强度为400 W/m

时，人体整体的可接受空气温度比200 W/m

时低2 ℃。本研究为太阳辐射条件下室内环境的分区控制提供了理论依据。

Abstract

Human thermal regulation models reflect the physiological response of the human body to the surrounding thermal environment. However， existing thermal regulation models do not account for the non-uniform impact of solar radiation on indoor thermal environments and the human body. Therefore， a new model was established by modifying the thermal regulation model of the human body to

include local exposure to direct sunlight in buildings. First， the calculation of mean radiant temperature was revised by distinguishing direct and indirect areas. Second， the calculations of skin and clothing temperatures and heat loss in the model were modified by distinguishing direct and indirect parts. In addition， solar radiation heat gain was added to the heat transfer calculations. After experimental verification， the modified model demonstrated a relative error of less than 5% in predicting mean skin temperature， and approximately 4% in predicting total heat loss. Using the model， the mean skin temperature at different activity levels was predicted， and the thermal comfort zone offset laws of the human body as a whole and in direct parts were explored at different solar radiation intensities. The results show that the acceptable air temperature of the overall body at 400 W/m

is 2 ℃ lower than that at 200 W/m

. This study provides a theoretical basis for zoning control of indoor environments under direct sunlight.

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references

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