Luminous efficacy of daylighting in intertropical region: An analysis for toplighting systems

Cabús, Ricardo Carvalho; Pereira, Fernando Oscar Ruttkay

doi:10.1016/0960-1481(96)88848-3

Cited by 3 publications

(2 citation statements)

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“…Al-Obaidi and Rahman [63] critically investigate optimum design requirements of top-lighting system, which conclude that system type, sky condition and human comfort are significant factors. Designs with top-lighting must be examined carefully as potential overheating resulting from inappropriate top-lighting design should also be avoided [22,64]. To minimise this problem, innovative daylighting systems, which contain new components and technologies, have been developed to bring sunlight deeper into building interiors; whilst reducing overheating problem [65].…”

Section: Innovative Daylighting Systemsmentioning

confidence: 99%

“…prismatic films [24,54,61,69,74,76,78,80,84,105], holographic films [61,80], laser-cut light deflecting panel (LCP) [61,64,84,86,[106][107][108][109], and phase change material (PCM) [110] are more advanced technologies that can be applied to window glazing, without the need of having supplementary shading devices. These systems can also be used as sun shading devices by controlling sunlight through reflection; while allowing sunlight through from specific angles [80] or combine usage of solar radiation and thermal qualities [18].…”

Section: Light Guiding Systemsmentioning

confidence: 99%

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A review of daylighting design and implementation in buildings

Wong

2017

Renewable and Sustainable Energy Reviews

137

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Daylighting design has become prevalent in modern buildings in the effort to create a more sustainable living environment. Past and recent bodies of research emerged are mainly focused on the different methods of predicting and measuring daylight level and various range of daylighting technologies available. Despite a wide range of developed and commercially available daylighting systems have been reported, their applications have been limited by a lack of studies on their utilisations and high initial costs. Computer simulations have been frequently used in the past to investigate daylighting performance due to reliable and accurate predictions. However, additional simulation time and variable level of skills and knowledge required are major drawback of computer simulations. This paper includes and pools information on all major daylighting design topic in the built environment. The study critically reviews and compares daylighting design principles, strengths and weaknesses of different range of daylighting systems and calculation methods, such as, scale model with artificial sky, full scale model for field measurement, numerical modelling and manual calculation procedures with the aid of diagrams or tables. Such information could be of useful for engineers, researchers and designers to assess the suitability of applying these systems and technologies in different building types and examine the potential of energy and cost savings.

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