An analysis of thermal comfort in primary schools in Vietnam

There is a trend of installing air conditioning systems in public primary schools that are currently naturally ventilated in Vietnam. A previous study conducted by the authors provided evidence that there is limited need for air conditioning in Vietnamese mid-season and the hottest season. In thi...

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Main Authors: Le, Thi Ho Vi, Gillott, Mark C., Rodrigues, Lucélia Taranto
Format: Conference or Workshop Item
Published: 2017
Subjects:
Online Access:https://eprints.nottingham.ac.uk/44199/
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author Le, Thi Ho Vi
Gillott, Mark C.
Rodrigues, Lucélia Taranto
author_facet Le, Thi Ho Vi
Gillott, Mark C.
Rodrigues, Lucélia Taranto
author_sort Le, Thi Ho Vi
building Nottingham Research Data Repository
collection Online Access
description There is a trend of installing air conditioning systems in public primary schools that are currently naturally ventilated in Vietnam. A previous study conducted by the authors provided evidence that there is limited need for air conditioning in Vietnamese mid-season and the hottest season. In this study, the authors investigated thermal comfort and users’ perceptions in three primary schools in Ho Chi Minh City during the hottest season (April 2016) and the coldest season (December 2016 – January 2017). In-situ spot and long-term measurements were recorded. Questionnaires were completed by 3,960 children (age range from 8 to 11 years) and the teachers to inform the study about their experiences and the extent of their interaction with the building in 97 free-running classrooms. The results were analysed by correlating the conditions measured and the comfort mean votes. The neutral temperatures were respectively 31.7oC and 31.1oC for the hottest and coldest seasons. Children were observed to tolerate higher thermal comfort condition than the recommended values in the standards. Compared with the results of the hottest season, the thermal sensation mean vote reduced from (0.29) to (0.12) when the decrease of the mean temperature was from 33.3oC to 31.8oC in the coldest season. The temperature of 33oC was proposed for the overheating benchmark. The results indicated that Vietnamese children adapted to hot climate and had higher thermal comfort tolerance than adults. Preliminary findings suggest that it is unnecessary to use air conditioning system all year round. These findings could help and encourage architects and engineers to deliver schools reaching acceptable comfort levels without the need of air conditioning system.
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spelling nottingham-441992020-05-04T18:55:53Z https://eprints.nottingham.ac.uk/44199/ An analysis of thermal comfort in primary schools in Vietnam Le, Thi Ho Vi Gillott, Mark C. Rodrigues, Lucélia Taranto There is a trend of installing air conditioning systems in public primary schools that are currently naturally ventilated in Vietnam. A previous study conducted by the authors provided evidence that there is limited need for air conditioning in Vietnamese mid-season and the hottest season. In this study, the authors investigated thermal comfort and users’ perceptions in three primary schools in Ho Chi Minh City during the hottest season (April 2016) and the coldest season (December 2016 – January 2017). In-situ spot and long-term measurements were recorded. Questionnaires were completed by 3,960 children (age range from 8 to 11 years) and the teachers to inform the study about their experiences and the extent of their interaction with the building in 97 free-running classrooms. The results were analysed by correlating the conditions measured and the comfort mean votes. The neutral temperatures were respectively 31.7oC and 31.1oC for the hottest and coldest seasons. Children were observed to tolerate higher thermal comfort condition than the recommended values in the standards. Compared with the results of the hottest season, the thermal sensation mean vote reduced from (0.29) to (0.12) when the decrease of the mean temperature was from 33.3oC to 31.8oC in the coldest season. The temperature of 33oC was proposed for the overheating benchmark. The results indicated that Vietnamese children adapted to hot climate and had higher thermal comfort tolerance than adults. Preliminary findings suggest that it is unnecessary to use air conditioning system all year round. These findings could help and encourage architects and engineers to deliver schools reaching acceptable comfort levels without the need of air conditioning system. 2017-07-19 Conference or Workshop Item PeerReviewed Le, Thi Ho Vi, Gillott, Mark C. and Rodrigues, Lucélia Taranto (2017) An analysis of thermal comfort in primary schools in Vietnam. In: 16th International Conference on Sustainable Energy Technologies (SET2017), 17-20 July, 2017, Bologna, Italy. thermal comfort primary school natural ventilation indoor environmental quality children
spellingShingle thermal comfort
primary school
natural ventilation
indoor environmental quality
children
Le, Thi Ho Vi
Gillott, Mark C.
Rodrigues, Lucélia Taranto
An analysis of thermal comfort in primary schools in Vietnam
title An analysis of thermal comfort in primary schools in Vietnam
title_full An analysis of thermal comfort in primary schools in Vietnam
title_fullStr An analysis of thermal comfort in primary schools in Vietnam
title_full_unstemmed An analysis of thermal comfort in primary schools in Vietnam
title_short An analysis of thermal comfort in primary schools in Vietnam
title_sort analysis of thermal comfort in primary schools in vietnam
topic thermal comfort
primary school
natural ventilation
indoor environmental quality
children
url https://eprints.nottingham.ac.uk/44199/