Staff View: Effectiveness of free running passive cooling strategies for indoor thermal environments: example from a two-storey corner terrace house in Malaysia

Effectiveness of free running passive cooling strategies for indoor thermal environments: example from a two-storey corner terrace house in Malaysia

The widespread use of air-conditioning to achieve indoor cooling of residential buildings has caused increased electricity consumption. Effective passive cooling strategies, such as natural ventilation, are important for reducing energy consumption. Field measurements of thermal performance for a co...

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Main Authors:	Ng, Wai Tuck, Zaki, Sheikh Ahmad, Hagishima, Aya, Rijal, Hom Bahadur, Zakaria, Mohd. Azuan, Yakub, Fitri
Format:	Article
Published:	Elsevier Ltd. 2019
Subjects:	TA Engineering (General). Civil engineering (General)
Online Access:	http://eprints.utm.my/id/eprint/88997/ http://dx.doi.org/10.1016/j.buildenv.2019.106214
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id	my.utm.88997
record_format	eprints
spelling	my.utm.889972021-01-26T08:36:33Z http://eprints.utm.my/id/eprint/88997/ Effectiveness of free running passive cooling strategies for indoor thermal environments: example from a two-storey corner terrace house in Malaysia Ng, Wai Tuck Zaki, Sheikh Ahmad Hagishima, Aya Rijal, Hom Bahadur Zakaria, Mohd. Azuan Yakub, Fitri TA Engineering (General). Civil engineering (General) The widespread use of air-conditioning to achieve indoor cooling of residential buildings has caused increased electricity consumption. Effective passive cooling strategies, such as natural ventilation, are important for reducing energy consumption. Field measurements of thermal performance for a corner terrace house in Kuala Lumpur were conducted to clarify the effectiveness of free running (FR) ventilation as a passive cooling strategy with configurations: without ventilation, full ventilation, day ventilation, and night ventilation. Measurements were conducted for all bedrooms and a family area on the first floor. For comparison, a mixed mode (MM) consisting of FR, ventilation with a ceiling fan, and cooling with an air-conditioner, which represents the actual conditions of this house, was measured in the living and dining area on the ground floor. Operative temperature was compared with the predicted temperature using an adaptive thermal comfort equation (ACE) under relevant international standards. The mean indoor temperature under FR was approximately 27~37 °C, and 27~33 °C in MM. Full ventilation and day ventilation recorded better correlation between outdoor and indoor temperature compared with no ventilation and night ventilation. Furthermore, compared with the ACE for a hot-humid climate, MM ventilation resulted in an operative temperature 58% less than the acceptable comfort temperature; thus, it performed better and was closer to international standards than was FR ventilation, which resulted in an operative temperature of 27% less than the acceptable comfort temperature. FR was not adequate to provide comfortable conditions without assistance from MM. Elsevier Ltd. 2019-08 Article PeerReviewed Ng, Wai Tuck and Zaki, Sheikh Ahmad and Hagishima, Aya and Rijal, Hom Bahadur and Zakaria, Mohd. Azuan and Yakub, Fitri (2019) Effectiveness of free running passive cooling strategies for indoor thermal environments: example from a two-storey corner terrace house in Malaysia. Building and Environment, 160 . pp. 1-13. ISSN 0360-1323 http://dx.doi.org/10.1016/j.buildenv.2019.106214 DOI:10.1016/j.buildenv.2019.106214
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
topic	TA Engineering (General). Civil engineering (General)
spellingShingle	TA Engineering (General). Civil engineering (General) Ng, Wai Tuck Zaki, Sheikh Ahmad Hagishima, Aya Rijal, Hom Bahadur Zakaria, Mohd. Azuan Yakub, Fitri Effectiveness of free running passive cooling strategies for indoor thermal environments: example from a two-storey corner terrace house in Malaysia
description	The widespread use of air-conditioning to achieve indoor cooling of residential buildings has caused increased electricity consumption. Effective passive cooling strategies, such as natural ventilation, are important for reducing energy consumption. Field measurements of thermal performance for a corner terrace house in Kuala Lumpur were conducted to clarify the effectiveness of free running (FR) ventilation as a passive cooling strategy with configurations: without ventilation, full ventilation, day ventilation, and night ventilation. Measurements were conducted for all bedrooms and a family area on the first floor. For comparison, a mixed mode (MM) consisting of FR, ventilation with a ceiling fan, and cooling with an air-conditioner, which represents the actual conditions of this house, was measured in the living and dining area on the ground floor. Operative temperature was compared with the predicted temperature using an adaptive thermal comfort equation (ACE) under relevant international standards. The mean indoor temperature under FR was approximately 27~37 °C, and 27~33 °C in MM. Full ventilation and day ventilation recorded better correlation between outdoor and indoor temperature compared with no ventilation and night ventilation. Furthermore, compared with the ACE for a hot-humid climate, MM ventilation resulted in an operative temperature 58% less than the acceptable comfort temperature; thus, it performed better and was closer to international standards than was FR ventilation, which resulted in an operative temperature of 27% less than the acceptable comfort temperature. FR was not adequate to provide comfortable conditions without assistance from MM.
format	Article
author	Ng, Wai Tuck Zaki, Sheikh Ahmad Hagishima, Aya Rijal, Hom Bahadur Zakaria, Mohd. Azuan Yakub, Fitri
author_facet	Ng, Wai Tuck Zaki, Sheikh Ahmad Hagishima, Aya Rijal, Hom Bahadur Zakaria, Mohd. Azuan Yakub, Fitri
author_sort	Ng, Wai Tuck
title	Effectiveness of free running passive cooling strategies for indoor thermal environments: example from a two-storey corner terrace house in Malaysia
title_short	Effectiveness of free running passive cooling strategies for indoor thermal environments: example from a two-storey corner terrace house in Malaysia
title_full	Effectiveness of free running passive cooling strategies for indoor thermal environments: example from a two-storey corner terrace house in Malaysia
title_fullStr	Effectiveness of free running passive cooling strategies for indoor thermal environments: example from a two-storey corner terrace house in Malaysia
title_full_unstemmed	Effectiveness of free running passive cooling strategies for indoor thermal environments: example from a two-storey corner terrace house in Malaysia
title_sort	effectiveness of free running passive cooling strategies for indoor thermal environments: example from a two-storey corner terrace house in malaysia
publisher	Elsevier Ltd.
publishDate	2019
url	http://eprints.utm.my/id/eprint/88997/ http://dx.doi.org/10.1016/j.buildenv.2019.106214
_version_	1690370954728833024
score	13.211869

Effectiveness of free running passive cooling strategies for indoor thermal environments: example from a two-storey corner terrace house in Malaysia

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