暖湿工作场所的热应力、热舒适度和控制策略。

IF 3 3区 地球科学 Q2 BIOPHYSICS
Zahra Moradpour, Mohammad Javad Jafari, Somayeh Farhang Dehghan, Mahdi Jalali, Ghasem Hesam
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引用次数: 0

摘要

本研究的目的是设计一种局部通风系统(LVS),以帮助降低斯考尔德大厅的湿度,评估实施 LVS 前后的舒适度和热应力,并引入一个适当的指标来评估温暖和潮湿的工作场所。LVS 的设计是根据 ACGIH 标准(VS-30-01)进行的。使用湿度指数(Humidex)、不适指数(DI)、热指数(HI)、湿球温度(WBGT)和预测平均投票指数(PMV)对低压系统前后的热应力和热舒适度进行了评估,并将评估结果与预测平均投票指数-预测不满意百分比(PMV-PPD)主观指数进行了比较。热应激参数结果显示,LVS 能够将相对湿度(RH)和湿温度(tnw)分别降低 47% 和 7 ° C。这使得受试者的热感从炎热和相对湿度非常高的炎热转为温暖,炎热和不满意的百分比下降了 70% 以上。低压系统的设计和实施通过降低相对湿度减少了环境温度。结果还显示,在温暖潮湿的工作场所,DI 指数与热舒适度的主观评价高度相关,该指数可用于评价工作场所的热条件。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Heat stress, thermal comfort and control strategy in a warm-humid workplace.

The purpose of this study was to design a local ventilation system (LVS) to help reduce the moisture content of a Scalder hall, evaluate its comfort and thermal stress before and after implementation of LVS and introduce an appropriate index to evaluate warm and humid workplaces. The design of the LVS was performed according to the ACGIH standard (VS-30-01). Heat stress and thermal comfort assessment were performed before and after LVS using humidity index (Humidex), discomfort index (DI), heat index (HI), wet-bulb globe temperature (WBGT) and predicted mean vote index (PMV) indices and the results were compared with predicted mean vote index-predicted percentage of dissatisfied (PMV-PPD) subjective indices. The results of heat stress parameters showed that LVS was able to reduce relative humidity (RH) and wet temperature (tnw) by 47% and 7 ° C, respectively. This has caused subjects to feel the heat from hot and very RH hot to warm and the hot and percentage of dissatisfaction has dropped by more than 70%. Design and implementation of a LVS reduced the ambient tnw by decreasing RH. Results also showed in warm and humid workplaces, DI index are highly correlated with subjective evaluation of thermal comfort and this index can be used to evaluate the thermal conditions of the workplaces.

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来源期刊
CiteScore
6.40
自引率
9.40%
发文量
183
审稿时长
1 months
期刊介绍: The Journal publishes original research papers, review articles and short communications on studies examining the interactions between living organisms and factors of the natural and artificial atmospheric environment. Living organisms extend from single cell organisms, to plants and animals, including humans. The atmospheric environment includes climate and weather, electromagnetic radiation, and chemical and biological pollutants. The journal embraces basic and applied research and practical aspects such as living conditions, agriculture, forestry, and health. The journal is published for the International Society of Biometeorology, and most membership categories include a subscription to the Journal.
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