VALIDATION OF AIR ENTHALPY IN EVALUATION OF HEAT STRESS USING WET BULB GLOBE TEMPERATURE (WBGT) AND BODY CORE TEMPERATURE: A CASE STUDY IN A HOT AND DRY CLIMATE

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HEIDARI HAMIDREZA; RAHIMIFARD HODA; MOHAMMAD BEIGI ABOLFAZL; GOLBABAEI FARIDEH; SAHRANAVARD ROBABEH; SHOKRI ZAHRA

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Journal: Journal of Health and Safety at Work Year:2018 | Volume:8 | Issue:1 Page(s): 81-92

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Title

VALIDATION OF AIR ENTHALPY IN EVALUATION OF HEAT STRESS USING WET BULB GLOBE TEMPERATURE (WBGT) AND BODY CORE TEMPERATURE: A CASE STUDY IN A HOT AND DRY CLIMATE

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ENTHALPYQ1

HEAT STRESSQ1

VALIDITYQ1

TYMPANIC TEMPERATUREQ1

Abstract

Introduction: Considering the necessity of evaluating novel thermal indices for different individual and environmental conditions, the aim of this study was validation of a new ENTHALPY index for evaluation of HEAT STRESS in hot and dry climate.Material and Method: In this descriptive analytical 97 city services outdoor workers were randomly selected and evaluated in spring and summer seasons in Qom city, Iran. Correlation between new ENTHALPY index and standard WBGT index, as well as physiological response of deep body temperature was studied and analyzed.Result: Findings showed that regardless of the time of measurements, correlation between ENTHALPY and WBGT index was better than its correlation with TYMPANIC TEMPERATURE (R2= 0.756 versus R2= 0.391). Considering the time of measurement, it was found that with increasing temperature and decreasing humidity, the correlation between indices was reduced, although the correlation ratio was maintained similar.Conclusion: Due to the simplicity of the ENTHALPY index measurement ,its independency to measure the globe temperature and the possibility of estimation of this index using daily climate parameters in meteorological stations, and on the other hand, appropriate VALIDITY of ENTHALPY against WBGT and core temperature, it can be a good alternative for WBGT index and as a screening index for thermal environments in hot and dry condition.

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APA: Copy

HEIDARI, HAMIDREZA, RAHIMIFARD, HODA, MOHAMMAD BEIGI, ABOLFAZL, GOLBABAEI, FARIDEH, SAHRANAVARD, ROBABEH, & SHOKRI, ZAHRA. (2018). VALIDATION OF AIR ENTHALPY IN EVALUATION OF HEAT STRESS USING WET BULB GLOBE TEMPERATURE (WBGT) AND BODY CORE TEMPERATURE: A CASE STUDY IN A HOT AND DRY CLIMATE. JOURNAL OF HEALTH AND SAFETY AT WORK, 8(1 ), 81-92. SID. https://sid.ir/paper/235578/en

Vancouver: Copy

HEIDARI HAMIDREZA, RAHIMIFARD HODA, MOHAMMAD BEIGI ABOLFAZL, GOLBABAEI FARIDEH, SAHRANAVARD ROBABEH, SHOKRI ZAHRA. VALIDATION OF AIR ENTHALPY IN EVALUATION OF HEAT STRESS USING WET BULB GLOBE TEMPERATURE (WBGT) AND BODY CORE TEMPERATURE: A CASE STUDY IN A HOT AND DRY CLIMATE. JOURNAL OF HEALTH AND SAFETY AT WORK[Internet]. 2018;8(1 ):81-92. Available from: https://sid.ir/paper/235578/en

IEEE: Copy

HAMIDREZA HEIDARI, HODA RAHIMIFARD, ABOLFAZL MOHAMMAD BEIGI, FARIDEH GOLBABAEI, ROBABEH SAHRANAVARD, and ZAHRA SHOKRI, “VALIDATION OF AIR ENTHALPY IN EVALUATION OF HEAT STRESS USING WET BULB GLOBE TEMPERATURE (WBGT) AND BODY CORE TEMPERATURE: A CASE STUDY IN A HOT AND DRY CLIMATE,” JOURNAL OF HEALTH AND SAFETY AT WORK, vol. 8, no. 1 , pp. 81–92, 2018, [Online]. Available: https://sid.ir/paper/235578/en

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