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使用户外热玩偶对人类极端高温暴露的描述
Ankit Joshi1, Shri H Viswanathan2, Ankush K Jaiswal1
1School for Engineering of Matter, Transport and Energy, Arizona State University, Tempe, AZ, USA; Julie Ann Wrigley Global Futures Laboratory, Arizona State University, Tempe, AZ, USA.
The Science of the total environment
|March 8, 2024
概括
极端的高温会给我们的健康带来风险. 一种使用热模具和先进测量方法的新方法提供了详细的人类热暴露数据,改善了热应激和疾病风险评估.
科学领域:
- 环境健康 环境健康
- 人类的热舒适度是人类的热舒适度.
- 热应力建模热应力建模
背景情况:
- 极端高温是一个显著且日益增长的全球健康威胁.
- 现有的热暴露模型在准确地反映人类生理学和热传递方面存在局限性.
- 辐射模型过于简化了人体,对流模型产生了相互矛盾的预测.
研究的目的:
- 开发一种新的,详细的方法来描述人类暴露于极端高温的特征.
- 为了提高热应激,舒适度和疾病风险评估的准确性.
- 为更好的热保护,适应和减缓策略提供数据.
主要方法:
- 使用户外热模具 (ANDI) 测量35个身体表面区域的热负荷.
- 采用超声波气流计阵列和环境数据的整体辐射测量 (IRM).
- 在各种太阳能和流条件下验证了传热模型.
主要成果:
- 综合辐射测量 (IRM) 和ANDI数据显示,即使在高阳光条件下,不同的身体方向都达成一致.
- 证明身体部位可以准确地被模拟为圆柱体,即使在高度动荡的空气流中.
- 开发了一种全身对流相关性,解决了先前模型冲突,适用于各种室内和室外环境.
结论:
- 这种新方法在描述人类暴露于热量的过程中提供了前所未有的细节.
- 结果验证了热传输研究中人体建模的简化几何假设.
- 结果为与极端高温有关的公共卫生干预和城市规划提供了关键的见解.
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