A comparison of Mesua ferrea L. and Hura crepitans L. for shade creation and radiation modification in improving thermal comfort

Shahidan, Mohd Fairuz; Shariff, Mustafa Kamal Mohd; Jones, Paul; Salleh, Elias; Abdullah, Ahmad Makmom

doi:10.1016/j.landurbplan.2010.05.008

Cited by 162 publications

(117 citation statements)

References 14 publications

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“…The energy that is known as net radiation has a significant influence on thermal comfort and negative health affects on humans, because may impact upon the potential energy used for maintaining indoor living spaces comfortably, meaning additional thermal energy use due to external factors in the city urban configuration [1,2]. Net radiation is a fundamental variable that determines the climate of the lower layers of the atmosphere and is dependent on the physics and chemistry of the atmosphere as well as the presence of clouds.…”

Section: Introductionmentioning

confidence: 99%

Radiation Balance of Urban Materials and Their Thermal Impact in Semi-Desert Region: Mexicali, México Study Case

et al. 2015

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Net radiation is an essential forcing of climate in the lower layers of Earth's atmosphere. In this paper, radiation balance is measured in clay soil and green grass, and is compared with three urban materials. These materials: asphalt, concrete and white painted elastomeric polystyrene roofing sheet are widely used in Mexicali, Baja California, México. This study was carried out during August of 2011, the hottest time of the year. The 24-hour average values of net radiation found were: 137.2 W·m −2 for asphalt, 119.1 for concrete, 104.6 for clay soil, 152 for green grass and 29.2 for the polystyrene insulation. The latter two types of materials are likely to be the most effective in reducing urban heat island effects. This variation in the radiation balance has widespread implications for human living conditions, as land cover change tends to be towards surfaces that have higher levels of net radiation.

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Section: Introductionmentioning

confidence: 99%

Radiation Balance of Urban Materials and Their Thermal Impact in Semi-Desert Region: Mexicali, México Study Case

et al. 2015

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“…The advantage of the internal courtyard in promoting day lighting and natural ventilation would not be denied as the presence of a landscape with green trees provides better environment than the open sky (Monteiro & Alucci, 2009) and they improve the room and building conditions even when receiving direct heat radiation and penetration from the worst orientations for the equatorial region; east and west (Jughans, 2008). The tree canopies have significant filtration capabilities which contribute to the reduction of terrestrial radiation, cooling the ground surfaces by capturing more latent heat, reducing air temperature by promoting more evapotranspiration, and effectively improve the outdoor thermal comfort, especially in open spaces of the tropical climate region (Shahidan et al, 2010). It also indirectly affects the indoor temperature and the cooling load of the building through shading and insulation effects (Yeang, 2008).…”

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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“…The contribution of the green landscape in providing better environment is undeniable. The tree canopy has a significant filtration capability which contributes to the reduction of terrestrial radiation, cooling the ground surfaces by capturing more latent heat, reducing air temperature by promoting more evapotranspiration, and effectively improving the outdoor thermal comfort, especially in open spaces of the tropical climate region (Hyde, 2000;Monteiro and Alucci, 2009;Shahidan et al, 2010). Unfortunately, too much shade will evade the effectiveness of daylighting in the building.…”

Section: Discussionmentioning

confidence: 99%

The Dynamics of Daylighting at a Residential College Building with the Internal Courtyard Arrangement

Jamaludin¹,

Hussein²,

Keumala³

et al. 2015

ArchNet-IJAR

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A comparison of Mesua ferrea L. and Hura crepitans L. for shade creation and radiation modification in improving thermal comfort

Cited by 162 publications

References 14 publications

Radiation Balance of Urban Materials and Their Thermal Impact in Semi-Desert Region: Mexicali, México Study Case

Radiation Balance of Urban Materials and Their Thermal Impact in Semi-Desert Region: Mexicali, México Study Case

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

The Dynamics of Daylighting at a Residential College Building with the Internal Courtyard Arrangement

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