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Thermal Comfort Assessment of Tropically Acclimatized Occupants in an Air Conditioned Microenvironment

Thermal Comfort Assessment of Tropically Acclimatized Occupants in an Air Conditioned... Air conditioning is a predominant technique widely used to condition the indoor environment. Thermal comfort of occupants in an air conditioned microenvironment depends on several factors. In the present study, we have investigated the influence of indoor operative temperature, air velocity and thermal sensation of tropically acclimatized subjects in air conditioned microenvironment. A classroom size of 31 students (subjects) was considered in the present investigation. Several experiments were conducted in a microenvironment by varying indoor operative temperature between 25.5 and 29.7 °C and air velocity from 0.1 to 0.25 m/s. The results indicate that the thermal sensation vote of subjects was always above 80%. The neutral comfort temperature from the present study (28 °C) is comparable with the Griffiths comfort temperature (27.7 °C). The present study reveals that cooling asymmetry is a cause of concern for subjects in the air conditioned room since the air was directed toward the head and back of subjects. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of The Institution of Engineers (India): Series A Springer Journals

Thermal Comfort Assessment of Tropically Acclimatized Occupants in an Air Conditioned Microenvironment

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Publisher
Springer Journals
Copyright
Copyright © The Institution of Engineers (India) 2020
ISSN
2250-2149
eISSN
2250-2157
DOI
10.1007/s40030-020-00463-3
Publisher site
See Article on Publisher Site

Abstract

Air conditioning is a predominant technique widely used to condition the indoor environment. Thermal comfort of occupants in an air conditioned microenvironment depends on several factors. In the present study, we have investigated the influence of indoor operative temperature, air velocity and thermal sensation of tropically acclimatized subjects in air conditioned microenvironment. A classroom size of 31 students (subjects) was considered in the present investigation. Several experiments were conducted in a microenvironment by varying indoor operative temperature between 25.5 and 29.7 °C and air velocity from 0.1 to 0.25 m/s. The results indicate that the thermal sensation vote of subjects was always above 80%. The neutral comfort temperature from the present study (28 °C) is comparable with the Griffiths comfort temperature (27.7 °C). The present study reveals that cooling asymmetry is a cause of concern for subjects in the air conditioned room since the air was directed toward the head and back of subjects.

Journal

Journal of The Institution of Engineers (India): Series ASpringer Journals

Published: Dec 29, 2020

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