一项基于CFD的研究,研究了低温服装下人体与环境之间的热传递特性
Shen Yu1, Xiaojun Xie1, Yan Guo2
1State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian, China.
Frontiers in bioengineering and biotechnology
|September 25, 2025
概括
开发了一个3D人体温度调节模型,以研究身体,衣服和寒冷环境之间的热传递. 该模型准确预测皮肤温度,有助于研究人类的热舒适性和保护.
科学领域:
- 热舒适性研究热舒适性研究
- 人类温度调节建模模型
- 服装科学 服装科学
背景情况:
- 了解人 - 服装 - 环境在寒冷中的相互作用对于热保护至关重要.
- 现有的模型在模拟复杂的传热动态时可能缺乏精度.
研究的目的:
- 开发和验证一个用于低温环境的3D人体温度调节模型.
- 在寒冷条件下分析传热特性和生理反应.
主要方法:
- 使用身体扫描数据建立了一个3D人体温度调节模型.
- 实施的计算流体动力学 (CFD) 用于数值模拟.
- 将身体分为核心,等效,皮肤和服装层进行详细分析.
主要成果:
- 模拟关键的生理参数:皮肤温度,核心温度,服装表面温度.
- 研究了热传递,表面温度和局部皮肤温度与环境温度的变化.
- 与实验数据相比,当地的皮肤温度达到3.43%的最大相对误差.
结论:
- 经过验证的3D模型准确地预测了人类在寒冷环境中的热反应.
- 为了解低温环境中的热传递提供了基础.
- 为设计有效的寒冷天气防护服提供了洞察力.
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