Indoor Environmental Comfort in Malaysian Urban Housing

Lim, Yaik Wah

doi:10.3844/ajessp.2013.431.438

Cited by 10 publications

(13 citation statements)

References 17 publications

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“…In tropical climate, global illuminance can go as high as 120,000 lx. Yet, previous research concluded that the abundance of tropical daylight has not been utilized to the maximum since it is usually concurrent with intense solar heat gain (Lim, 2013;Lim et al, 2013). The balance between the prevention of heat gains and daylight penetration is very crucial in order to achieve building energy efficiency.…”

Section: Introductionmentioning

confidence: 99%

Dynamic Daylight and Solar Control in Tropical Climate

Lim¹

2014

American Journal of Applied Sciences

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Daylight is dynamic, thus there is no one common solution for all scenarios. It is more critical in tropical climate where the sky is predominantly intermediate; with inconsistent clouds formations which will influence the presence of direct sunlight and daylight availability. In this study, the potential of dynamic internal shading devices for improving daylighting performances in tropical climate was investigated. Scaled physical models and computer simulation methods were employed to examine daylighting performances of various internal shading devices under different tropical sky conditions: Intermediate sky with direct sunlight, Intermediate sky without direct sunlight and Overcast sky. The findings proved that the shading devices yielded significant different performances under various sky conditions. The effective daylighting depth under tropical sky can be as deep as 3.8 times height of the window from work plane. Dynamic internal shading device was suggested for effective daylighting in the tropics.

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Section: Introductionmentioning

confidence: 99%

Dynamic Daylight and Solar Control in Tropical Climate

Lim¹

2014

American Journal of Applied Sciences

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“…An effective opening promotes air flow and air change rate (Lim, 2013). This is to avoid hot air from being trapped inside the house and cause thermal discomfort among occupants of the building.…”

Section: Compromised Indoor Comfortmentioning

confidence: 99%

“…The size, placement and shading device applied on the opening control the amount of necessary day lighting penetrating the interior spaces (Lim, 2013;Zain-Ahmed et al, 2002). As Malaysia is blessed with abundance of sunshine throughout the day, maximizing daylighting as a source of natural lighting is seen as a great way in promoting sustainability.…”

Section: Compromised Indoor Comfortmentioning

confidence: 99%

“…Designers are taught to minimize openings on the east and west-facing walls to avoid glare into the building. Adequate day lighting is important in the well-being of the occupant as too little and too much daylighting could cause stress and discomfort (Lim, 2013).…”

Section: Compromised Indoor Comfortmentioning

confidence: 99%

“…This is to avoid hot air from being trapped inside the house and cause thermal discomfort among occupants of the building. As Malaysia is a country with hot and humid climate, adequate placement of openings throughout the house is seen crucial to maintaining a comfortable living among low-cost housing residents (Lim, 2013).…”

Section: Compromised Indoor Comfortmentioning

confidence: 99%

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A Review on Occupants’ Satisfaction and Wellness Level in Low-Cost Housing in Malaysia

Ismail¹,

Mohidin²,

Daud³

2017

PMJ

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The purpose of this study is to ascertain how architecture could impede stress level among low-cost housing occupants in Malaysia based on design implementations. The home environment is one of the main contributing factors for the occurrence of stress among occupants as much of individuals' lives are spent indoor. Based on this, architecture plays a major role in minimizing the stress level among occupants of a building. This research analyses the wellness of low-cost housing owners and occupants through observation and questionnaires that were distributed to low-cost housing residents. This study found that there are four key factors that contributed to stress among occupants. It is, therefore, hoped that the findings of this paper help designers to design better low-cost houses in order to provide a better living environment to the occupants.

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Trends of solar radiation effects on the temperature of vertical surfaces of a modern terrace house

2021

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This is a study done to investigate the effects of solar radiation on the wall surface temperature of a modern terrace house. It involves the analysis of the thermal fluctuations of common building materials used for walls or vertical surface areas such as the bricks, glass of the window, and metal doors. A thermal imager and data logging system was used in collecting the data for the Southeast and Northwest façades of the house. The imager gave resourceful data on the thermal heat trend of the walls and their surface temperature. The results show that a lighter wall surface color reduces the temperature of the surface. Furthermore, the bricks, which have a higher density hence a higher absorptivity due to their high capacity for storage of heat, decrease the flow of heat. However, the use of tinted glass on windows increases the surface temperature of the glass area of the wall surface. The metal also shows a high similarity with glass in terms of its thermal performance. In conclusion, the types of material used on wall surfaces have a significant impact on the wall temperature.

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Indoor Environmental Comfort in Malaysian Urban Housing

Cited by 10 publications

References 17 publications

Dynamic Daylight and Solar Control in Tropical Climate

Dynamic Daylight and Solar Control in Tropical Climate

A Review on Occupants’ Satisfaction and Wellness Level in Low-Cost Housing in Malaysia

Trends of solar radiation effects on the temperature of vertical surfaces of a modern terrace house

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