Application of the thermoelectric cooling system in making a cooling belt: A case of heat stress control measure device.

IF 1.7 4区 医学 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Work-A Journal of Prevention Assessment & Rehabilitation Pub Date : 2024-01-01 DOI:10.3233/WOR-230329
Ali Sahraneshin Samani, Leila Ibrahimi Ghavamabadi, Behzad Fouladi Dehaghi
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Abstract

Background: Climate change and global warming are emerging as new challenges worldwide. The World Meteorological Organization has reported that the temperature is expected to rise by an average of 1.2°C between 2021-2025. This increase in temperature will expose more and more workers to extreme heat.

Objective: This study aimed to explore the possibility of using thermoelectric coolers for cooling the water circulation circuit of a cooling belt, which can be used for extended periods in high-temperature environments.

Methods: A cooling belt was designed using thermoelectric coolers (TEC) and two blowers. The TECs were equipped with heat sinks and heat exchange block made of aluminum at hot and cold sides to exchange heat effectively.

Results: The experiment was conducted under actual environmental temperature conditions during three different time periods, with mean temperatures of 31, 48, and 41°C. The mean temperature of the belt section was recorded as 20.73, 24.52, and 21.38°C, respectively. The maximum average difference between the inlet air temperature and the inside cooling belt temperature was 40.45°C.

Conclusion: The experiment revealed that the cooling performance of the designed prototype remained within an acceptable range (18°C) despite the increase in ambient temperature. Moreover, the cooling system can be utilized in high-heat environments to reduce thermal stress.

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应用热电冷却系统制作冷却带:热应力控制措施装置案例。
背景:气候变化和全球变暖正在成为全世界面临的新挑战。世界气象组织报告称,2021-2025 年间,气温预计将平均上升 1.2°C。气温的升高将使越来越多的工人暴露在极端高温下:本研究旨在探索使用热电冷却器冷却冷却带水循环回路的可能性,该冷却带可在高温环境中长期使用:设计了一种使用热电冷却器(TEC)和两个鼓风机的冷却带。方法:利用热电冷却器(TEC)和两个鼓风机设计了一种冷却带,TEC 的冷热两侧装有散热片和铝制热交换块,以进行有效的热交换:实验在三个不同时间段的实际环境温度条件下进行,平均温度分别为 31、48 和 41°C。皮带部分的平均温度分别为 20.73、24.52 和 21.38°C。进风温度与冷却带内部温度之间的最大平均温差为 40.45°C:实验表明,尽管环境温度升高,所设计原型的冷却性能仍保持在可接受的范围内(18°C)。此外,该冷却系统可用于高热环境,以减少热应力。
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来源期刊
Work-A Journal of Prevention Assessment & Rehabilitation
Work-A Journal of Prevention Assessment & Rehabilitation PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH-
CiteScore
3.00
自引率
30.40%
发文量
739
期刊介绍: WORK: A Journal of Prevention, Assessment & Rehabilitation is an interdisciplinary, international journal which publishes high quality peer-reviewed manuscripts covering the entire scope of the occupation of work. The journal''s subtitle has been deliberately laid out: The first goal is the prevention of illness, injury, and disability. When this goal is not achievable, the attention focuses on assessment to design client-centered intervention, rehabilitation, treatment, or controls that use scientific evidence to support best practice.
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