نتایج جستجو برای: wet bulb globe temperature and infrared camera

تعداد نتایج: 16932490  

2014
DAVID P. SAUTER

Heat-stress-related injuries and deaths are a serious concern to the military. A joint Army/Air Force publication (TB MED 507) provides heat stress guidance based on the wet-bulb globe temperature (WBGT), soldier work rate, and clothing level. In a military environment, however, accurate WBGT measurements or predictions (for planning purposes) may not be available or practical to obtain; thus, ...

ارسنگ جنگ, شهرام, حیدری, حمیدرضا, شمسی پور, علی اکبر, گلبابایی, فریده,

Introduction: Regarding development of several thermal indices and limitations of each, in this research applicability and validity of temperature- humidity index (Humidex) were examined against the standard heat index, Wet Bulb Globe Temperature -WBGT, as well as tympanic temperature of subjects. Material and Method:  This cross-sectional study was done on 163 subjects at spring and summer ...

Journal: :Geographical Review of Japan 1971

Asadi- Ghalhari, Mahdi, Gharibi, Vahid , Heidari, Hamidreza , Mohammadbeigi, Abolfazl ,

Introduction: This study was designed with the main purpose of examining the compatibility of the two indicators of wet bulb globe temperature (WBGT) and predicted thermal strain (PHS) in assessing the environmental conditions and the heat load imposed on the subjects. Method: In this cross-sectional study, 163 bakers were included in the study. Thermal stress was determined using the WBGT and...

Journal: :تحقیقات نظام سلامت 0
پیمانه حبیبی کارشناس ارشد، گروه مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران حبیب اله دهقان استادیار،گروه مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران شیوا رضایی کارشناس مهندسی بهداشت حرفه ای، شرکت شین بافت و پیروز باف، سنندج، ایران. کبری مقصودی دانشجوی کارشناس ارشد، گروه مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

abstract introduction: heat stress risk assessment, as a harmful agent at workplace, is essential for controlling heat strain and heat stress effectively. this study is concerned with the relationship between physiological strain index (psi) and wet bulb globe temperature index (wbgt) in women in the climate chamber . methods: this experimental study was carried out on 36 healthy females in sit...

2007
A. B. Eltahir Jeremy S. Pal

This paper describes the relationship between surface conditions (temperature and humidity) and subsequent rainfall. The focus is on convective storms that are forced and maintained locally due to conditional instability in the vertical distribution of atmospheric temperature. These storms are described using two probabilistic measures: (1) the probability of occurrence of storms given surface ...

Journal: :Sustainability 2022

Urbanization has resulted in high temperatures cities, which are exacerbated by an increase urban impervious surfaces (road space). This study investigated the effect of road characteristics on roadside temperature. Different temperature indices were measured at four sites Seoul with different designs using weather measuring devices and infrared thermal cameras. The differences between air decr...

Journal: :International journal of biometeorology 2012
Andrew J Grundstein Craig Ramseyer Fang Zhao Jordan L Pesses Pete Akers Aneela Qureshi Laura Becker John A Knox Myron Petro

Over the period 1980-2009, there were 58 documented hyperthermia deaths of American-style football players in the United States. This study examines the geography, timing, and meteorological conditions present during the onset of hyperthermia, using the most complete dataset available. Deaths are concentrated in the eastern quadrant of the United States and are most common during August. Over h...

Journal: :Industrial health 2013
Tord Kjellstrom Bruno Lemke Matthias Otto

A feature of climate impacts on occupational health and safety are physiological limits to carrying out physical work at high heat exposure. Heat stress reduces a workers work capacity, leading to lower hourly labour productivity and economic output. We used existing weather station data and climate modeling grid cell data to describe heat conditions (calculated as Wet Bulb Globe Temperature, W...

Journal: :The Annals of occupational hygiene 2014
Francesca R d'Ambrosio Alfano Jacques Malchaire Boris Igor Palella Giuseppe Riccio

The Wet Bulb Globe Temperature (WBGT) seems to be still used world widely for the evaluation of heat stress conditions and it is recommended by ISO and American Conference of Governmental Industrial Hygienists as a screening method. Unfortunately, many occupational health practitioners and users appear to be unaware of its limitations. As the ISO 7243 Standard, based on WBGT, is presently under...

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