Human Thermal Response Characteristics under Local Radiant Heat Exposure

Zhu Guodong; Liu Guodan; Ji Yihang; Zhang Peiqi; Ma Haonan; Zhang Yao; Hu Songtao

doi:10.12465/issn.0253-4339.20260107001

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Human Thermal Response Characteristics under Local Radiant Heat Exposure

更新时间：2026-06-04

- Human Thermal Response Characteristics under Local Radiant Heat Exposure
- Journal of Refrigeration Pages: 1-7(2026)
- 作者机构：
  
  1.青岛理工大学环境与市政工程学院青岛 266520
  2. 健康环境与低碳能源山东省工程研究中心青岛 266520
- 作者简介：
- 基金信息：
  
  the National Natural Science Foundation of China(52578132)
- DOI：10.12465/issn.0253-4339.20260107001
  CLC： TU111;TU119⁺.5
- Received：07 January 2026，
  
  Revised：2026-02-08，
  
  Accepted：03 April 2026，
  
  Online First：04 June 2026，
- 稿件说明：
移动端阅览
朱国栋，刘国丹，纪铱行，等. 局部辐射热暴露下人体热反应特性［J］. 制冷学报，XXXX，XX（XX）：1-7.

Zhu Guodong，Liu Guodan，Ji Yihang，et al. Human Thermal Response Characteristics under Local Radiant Heat Exposure［J］. Journal of Refrigeration，XXXX，XX（XX）：1-7.
朱国栋，刘国丹，纪铱行，等. 局部辐射热暴露下人体热反应特性［J］. 制冷学报，XXXX，XX（XX）：1-7. DOI： 10.12465/issn.0253-4339.20260107001.

Zhu Guodong，Liu Guodan，Ji Yihang，et al. Human Thermal Response Characteristics under Local Radiant Heat Exposure［J］. Journal of Refrigeration，XXXX，XX（XX）：1-7. DOI： 10.12465/issn.0253-4339.20260107001.

摘要

在室内环境中，人们经常暴露于热辐射非均匀环境中。常见的热辐射有太阳辐射与红外辐射，现有研究大多关注太阳辐射或红外辐射等单一类型的热辐射条件下，人体的热生理反应和主观热感觉变化，为了研究太阳辐射与红外辐射条件下的人体热反应差异，本文分别开展太阳辐射与红外辐射局部热暴露实验，实测2种条件下人体的皮肤温度，收集主观热感觉投票，计算并分析2种辐射条件下各部位热敏感度差异。研究结果表明：在太阳辐射作用下，单位辐射强度引起各部位皮肤温度变化约0.01~0.02 ℃；而在红外辐射作用下，单位辐射强度引起各部位皮肤温度的变化量较大，可达1.0 ℃。太阳辐射和红外辐射局部刺激胸部时，整体热感觉变化均最大，升高超过2.0个标度；局部刺激大臂、小臂、大腿、小腿等四肢时，400 W/m²的太阳辐射条件下，整体热感觉变化最大；200 W/m²的太阳辐射与4 W/m²的红外辐射条件下，整体热感觉变化差异较小。在太阳辐射局部热暴露条件下，热敏感度由高至低依次为胸部>大臂>小臂>大腿>小腿，而在红外辐射局部热暴露条件下，热敏感度由高到低依次为胸部>大臂>小腿>大腿>小臂。本研究对于更准确地预测辐射热环境下的人体热反应，优化室内热环境具有重要意义。

Abstract

In indoor environments， people are often exposed to the non-uniform thermal radiation. Most existing research focuses on changes in human thermal physiological responses and subjective thermal sensations under a single type of thermal radiation， such as solar radiation or infrared radiation. To examine the differences in human thermal responses under solar radiation and infrared radiation conditions， this study conducted separate local thermal exposure experiments involving solar and infrared radiation. Under both testing conditions， skin temperature was measured and thermal sensation votes were collected. Differences in thermal sensitivity across body parts under two radiation conditions were then calculated and analyzed. The results showed that， under the effect of solar radiation， a unit increase in radiat

ion intensity caused skin temperatures at various body parts to increase by 0.01-0.02 ℃， whereas infrared radiation produced a relatively greater increase in skin temperature at the exposed area， with reaches up to 1.0 ℃. The greatest changes in the overall thermal sensation occurred when the chest was stimulated by solar or infrared radiation， exceeding 2.0 scale units. Upon stimulus application to limbs， such as the upper arm， forearm， thigh， and calf， overall thermal sensation changed most under the condition of 400 W/m

solar radiation， whereas differences in overall thermal sensation were not significant under 200 W/m² solar radiation and 4 W/m² infrared radiation. Under local exposure to solar radiation， thermal sensitivity ranged from high to low in the order of chest， upper arm， forearm， thigh， and calf， whereas under local radiant heat exposure to infrared radiation， thermal sensitivity ranged from high to low in the order of chest， upper arm， calf， thigh， and forearm. These findings provide a reference for more accurate prediction of human thermal responses in radiant heat environments， and for optimizing indoor thermal environments.

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