The effects of night ventilation technique on indoor thermal environment for residential buildings in hot-humid climate of Malaysia

Kubota, Tetsu; Chyee, Doris Toe Hooi; Ahmad, Samsudin

doi:10.1016/j.enbuild.2009.03.008

Cited by 159 publications

(89 citation statements)

References 18 publications

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“…However, some of the residents are still keeping the windows 'frequently' open (30.4%) especially in the 'morning' (27.6%). Comparatively, the insects were the main reason why residents did not open the windows of residential buildings in the hot-humid climate of Malaysia (Kubota et al, 2009).…”

Section: Resultsmentioning

confidence: 99%

Preferences of Student Residents Towards Sustainability With the Concept of Bioclimatic Design

Jamaludin

Hussein

Keumala

et al. 2016

PMJ

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A satisfaction and perception survey was carried out at a residential college building in Kuala Lumpur. It was acknowledged as an energy efficient building due to the most considerate implementation of bioclimatic design concept. Currently, there is no specific preference studies were done in this type of building in the equatorial climate region. 266 respondents were received, relying on 95% confidence level and ±5% margin of error from the overall population. The satisfaction and perception levels of residents are found to be positive with the concept of bioclimatic design. A majority of them are at a comfort level in all performance indicators including the internal courtyard, thermal comfort and indoor air quality, day lighting and landscape features, which contributed to the increased work productivity. Indirectly, it shows that the bioclimatic design concept at an old residential building is still appropriate to meet the needs of contemporary life while increasing the efficiency of electricity usage. Nevertheless, the positions of the rooms should be highly considered in implementing the improvement measures for increasing the comfort level of the room when this aspect, rather than the gender aspect, considerably influences the satisfaction and perception levels of respondents.

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Section: Resultsmentioning

confidence: 99%

Preferences of Student Residents Towards Sustainability With the Concept of Bioclimatic Design

Jamaludin

Hussein

Keumala

et al. 2016

PMJ

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“…Studies have been conducted on Malaysian residential buildings in relation to natural ventilation and occupant satisfaction (Kubota and Ahmad, 2005;Kubota, 2006;Kubota et al, 2009;Mohit et al, 2010;Talib, 2011;Teck-Hong, 2012;Zainal et al, 2012). However, the question of whether or not the provided natural ventilation provisions are adequate remains unanswered.…”

Section: Literature Reviewmentioning

confidence: 99%

“…This is particularly necessary in regions characterized by high temperature and humidity all year round. In a hot-humid climatic region such as Malaysia, occupants of residential buildings are reported to depend highly on mechanical cooling technologies to achieve this aim (Kubota et al, 2009;Toe and Kubota, 2015). However, numerous studies have revealed that people in hothumid climatic regions can accommodate high temperatures and, in fact, adequate comfort can be achieved through natural ventilation (Cândido et al, 2010;Wei et al, 2011;Yau et al, 2011;Nguyen et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

“…Consequently, less satisfaction levels on the part of occupants were recorded despite the fact that most of them opened their windows to ventilate their homes (Kubota and Ahmad, 2005;Kubota, 2006;Kubota et al, 2009). These studies indicate that, despite the benefits of natural ventilation, naturally ventilated buildings in Malaysia are still in poor IAQ conditions and the fact that occupants' regular practices of opening their windows have yet to be translated into improved satisfaction levels on their indoor conditions.…”

Section: Introductionmentioning

confidence: 99%

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Evaluating Natural Ventilation Provisions and Occupants’ Ventilation Behavior in Five Terrace Housing Types in Putrajaya, Malaysia

Idowu¹,

Shari²,

Ja'afar³

2016

ArchNet-IJAR

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“…Climatic conditions and air flow rate during night-time ventilation were found to have the largest effect. Kubota et al [15], the effectiveness of night ventilation for residential buildings under warm and humid climatic conditions was examined. The thermal environment evaluation showed that night ventilation would provide better thermal comfort for terraced houses occupants compared with the other ventilation strategies.…”

Section: Night Ventilationmentioning

confidence: 99%

Numerical assessment of night ventilation impact on the thermal comfort of vernacular buildings

2017

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Night ventilation, is one of the most effective passive cooling techniques that may contribute to the improvement of the occupants thermal comfort conditions. Despite the justified effectiveness of night ventilation, few studies quantified its influence on the thermal comfort of vernacular buildings, especially under warm dominant climates. The aim of this study is the investigation of the impact of night ventilation on the thermal comfort of vernacular buildings under summer dominant environmental conditions. The subjects under investigation was one traditional buildings in the city of Nicosia in Cyprus. In terms of this study numerical analysis regarding the thermal comfort of the investigated buildings was performed by employing Energy Plus and the flow solver of Design Builder. The indoor operative temperature distribution, the indoor air velocity and a thermal comfort related index were identified in selected thermal zones of the examined building using night ventilation. The results of this study quantified the potential temperature decrease that can result on vernacular buildings due to the use of night ventilation and revealed some restrictions with regard to the allowed percentage of the opening sizes towards achieving optimal thermal conditions in space. This study aspires to provide useful insight regarding the importance of humans' behavior in terms of enabling night ventilation to vernacular buildings, as well as to con-tribute to the ongoing scientific discussion on this subject.

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The effects of night ventilation technique on indoor thermal environment for residential buildings in hot-humid climate of Malaysia

Cited by 159 publications

References 18 publications

Preferences of Student Residents Towards Sustainability With the Concept of Bioclimatic Design

Preferences of Student Residents Towards Sustainability With the Concept of Bioclimatic Design

Evaluating Natural Ventilation Provisions and Occupants’ Ventilation Behavior in Five Terrace Housing Types in Putrajaya, Malaysia

Numerical assessment of night ventilation impact on the thermal comfort of vernacular buildings

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