scholarly journals Integration of Shading Device and Semi-Circle Horizontal Light Pipe Transporter for High-Rise Office Building in Tropical Climate

2021 ◽  
Vol 77 (4) ◽  
pp. 122-131
Author(s):  
Christopher Yii Sern Heng
Keyword(s):  
Tropical Climate ◽  
Simulation Software ◽  
Office Building ◽  
Light Pipe ◽  
High Rise ◽  
Deep Interior ◽  
Open Plan ◽  
Qualitative Performance ◽  
Shading Device ◽  
Venetian Blind

The blooming of a deep open plan in office buildings is accelerated due to economic profit reasons. This hinders the utilisation of daylight despite having abundance of daylight in tropical climate. Although a light pipe (LP) provides a means to illuminate the deep interior of the space, non-uniform daylight distribution still occurs due to the high illumination contrast across the room. The integration of a shading device (SD) in a room with an LP offers a solution to create a uniform daylight distribution. In this study, daylighting performances of 5 different types of an SD with different angles were analysed through a computer simulation software, namely Integrated Environment Solution Virtual Environment. The simulation was done using overcast and intermediate sky with sun conditions. The results showed that all SD cases improved the daylight uniformity across the room. A horizontal Venetian blind with an angle of +45o and −45o showed the best qualitative performance among all the cases. However, further shading and illumination are needed respectively to increase the potential daylight utilisation in an open plan office room. This study also concluded that a vertical Venetian blind did not provide a good daylight uniformity due to the vertical nature of the SD. A design recommendation guide for building designers is proposed at the end of this study to promote the integration of an SD and an LP in deep open plan high-rise office building.

Horizontal light pipe transporter for deep plan high-rise office daylighting in tropical climate

2020 ◽  
Vol 171 ◽  
pp. 106645 ◽  
Author(s):  
C.Y.S. Heng ◽  
Yaik-Wah Lim ◽  
Dilshan Remaz Ossen
Keyword(s):  
Tropical Climate ◽  
Light Pipe ◽  
High Rise

scholarly journals Light Pipe Transporter for High-rise Office Building in Tropical Climate

2016 ◽  
Vol 3 (1) ◽  
Author(s):  
Christopher Yii Sern Heng ◽  
Dilshan Remaz Ossen ◽  
Yaik Wah Lim
Keyword(s):  
Distribution System ◽  
Scaled Model ◽  
Artificial Lighting ◽  
Light Pipe ◽  
Environment Quality ◽  
Interior Spaces ◽  
Deep Interior ◽  
Car Park ◽  
Open Plan ◽  
Main Components

Daylight has known to bring benefits for human, psychologically and physiologically. It also provides better indoor environment quality and thus increase the performance and productivity of office workers as stated by Paevere (2009). However, due to economic reasons, the current practice of using deep open plan building has cause a dent to having daylight in the interior spaces, which cause a dependency on artificial lighting. Hence, to provide daylight in deep interior, light distribution system is needed. Although so, according to Hansen (2003), most of the systems can only illuminate up to 8m-10m depth. Therefore, light pipe (LP) plays an essential role where it can illuminate up to 20m depth. LP’s efficiency depends on the 3 main components; collector, transporter and extractor. This research explores the effectiveness of horizontal LP through different type of transporter’s shapes which includes rectangular, triangular, square and semi-circle. Previous studies have shown differences of efficiency on the shaped while using vertical LP. This research’s analysis was done using a computer simulation, Integrated Environment Solution: Virtual Environment (IESVE), where DF of each shapes were compared to MS 1525:2007 benchmark. The viability of the software was also validated though an assessment with a physical scaled-model experiment that was conducted in an open car park in Universiti Teknologi Malaysia, Johor, Malaysia. The results from the simulation showed that semi-circle shaped transporter offered the same efficiency as rectangular shaped. These findings will promote the usage of LP in buildings as it decreases the costing for LP.

scholarly journals Passive Cooling Using Phase Change Material and Insulation for High-rise Office Building in Tropical Climate

2017 ◽  
Vol 142 ◽  
pp. 2295-2302 ◽  
Author(s):  
Wan Iman Wan Mohd Nazi ◽  
Yaodong Wang ◽  
Haisheng Chen ◽  
Xinjing Zhang ◽  
Anthony Paul Roskilly
Keyword(s):  
Phase Change ◽  
Phase Change Material ◽  
Tropical Climate ◽  
Office Building ◽  
Passive Cooling ◽  
High Rise ◽  
Change Material

scholarly journals Basic Passive Side-Day lighting Considerations for High Rise office Building

2020 ◽  
Vol 9 (5) ◽  
pp. 78-87
Keyword(s):  
Energy Consumption ◽  
Construction Industry ◽  
Positive Impact ◽  
Building Design ◽  
High Energy ◽  
Office Building ◽  
High Rise ◽  
Design Considerations ◽  
System A ◽  
Modern Era

High rise office building design is one of the essential buildings in construction industry due to the limited space especially in the urban area. After home, a high rise office building is an important space for human in modern era. Due to the issue of high energy consumption especially inefficient artificial light strategy, side-day lighting becomes the best solution for a high rise office building design. Despite providing efficient energy consumption, side-day lighting creates a positive impact to the worker as well as the office's indoor environment. Hence, this paper aims to explore the basic passive side-day lighting considerations that educate people especially for those who are involved in the building construction industry. Beside, this paper focuses on the passive design considerations due to the various advantages that not involved especially with complex electrical and mechanical system. A systematic literature review is the main methodology for this paper to identify the basic passive side-day lighting considerations for a high rise office building design. Base on this research, it revealed that eight elements for building design considerations should be applied to provide a better day lighting impact for a high rise office building design. Considerations for non-building design aspects should also need to be applied since those aspects contribute to produce a better day lighting impact for a high rise office building design.

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