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首页> 外文期刊>Global Health Action >Occupational heat stress and associated productivity loss estimation using the PHS model (ISO 7933): a case study from workplaces in Chennai, India
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Occupational heat stress and associated productivity loss estimation using the PHS model (ISO 7933): a case study from workplaces in Chennai, India

机译：使用PHS模型（ISO 7933）估算职业热应激和相关的生产力损失：来自印度钦奈工作场所的案例研究

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BackgroundHeat stress is a major occupational problem in India that can cause adverse health effects and reduce work productivity. This paper explores this problem and its impacts in selected workplaces, including industrial, service, and agricultural sectors in Chennai, India.DesignQuantitative measurements of heat stress, workload estimations, and clothing testing, and qualitative information on health impacts, productivity loss, etc., were collected. Heat strain and associated impacts on labour productivity between the seasons were assessed using the International Standard ISO 7933:2004, which applies the Predicted Heat Strain (PHS) model.Results and conclusionsAll workplaces surveyed had very high heat exposure in the hot season (Wet Bulb Globe Temperature =29.7), often reaching the international standard safe work values (ISO 7243:1989). Most workers had moderate to high workloads (170–220 W/m2), with some exposed to direct sun. Clothing was found to be problematic, with high insulation values in rel...
机译：背景技术热压力是印度的一个主要职业问题，可能导致不良的健康影响并降低工作效率。本文探讨了这个问题及其在选定工作场所中的影响，包括印度钦奈的工业，服务业和农业部门。设计热应力的定量测量，工作量估算和服装测试，以及有关健康影响，生产力下降等的定性信息。 ，被收集。使用国际标准ISO 7933：2004评估了季节之间的热应变以及对劳动生产率的相关影响，该标准应用了预测的热应变（PHS）模型。结果与结论在被调查的所有工作场所在炎热季节都有很高的热量暴露（湿球）地球温度= 29.7），通常达到国际标准的安全工作值（ISO 7243：1989）。大多数工人的工作量中等至较高（170-220 W / m2），有的则暴露在直射阳光下。发现衣服有问题，相对而言，其绝缘值较高。

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