Science of daylighting in buildings

Smith, G.B.; Yan, Wei; Hossain, Md Robiul; McCredie, G.

doi:10.1016/s0960-1481(98)00181-5

Cited by 7 publications

(7 citation statements)

References 6 publications

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“…Light shelves [12,24,54,61,67,69,[72][73][74][75][76][77][78][79][80][81][82][83][84][85], fixed louvres [61,69,84], light directing louvres or glass [11,84],…”

Section: Light Guiding Systemsmentioning

confidence: 99%

“…A light pipe is also known as light duct [123] or tubular daylighting device [112,124] and can be used to collect sunlight directly from building façade, transferred to the core zones in the building optically by a series of mirrors inside the pipe. Two types of light pipes are reported: vertical and horizontal light pipes [24,54,61,76,81,85,86,123,[125][126][127][128][129][130]. The light pipe acts as transmission network [122] and guides the collected light beams, either several stories vertically down the building with light distribution system on each floor; or through building fabric or ceiling horizontally into interior zones without access to window opening.…”

Section: Solar Shadingmentioning

confidence: 99%

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A review of daylighting design and implementation in buildings

Wong

2017

Renewable and Sustainable Energy Reviews

150

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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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“…Light shelves [12,24,54,61,67,69,[72][73][74][75][76][77][78][79][80][81][82][83][84][85], fixed louvres [61,69,84], light directing louvres or glass [11,84],…”

Section: Light Guiding Systemsmentioning

confidence: 99%

Section: Solar Shadingmentioning

confidence: 99%

A review of daylighting design and implementation in buildings

Wong

2017

Renewable and Sustainable Energy Reviews

150

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“…o : azimuth angle of the luminance direction with respect to the negative direction of the x-axis (radians); For pure diffuse materials, the BTDF are independent of the emerging direction angles. Scattering materials may, however, exhibit a strong forward scattering along the incidence direction and a uniform diffuse scattering (Smith et al, 1998;Smith et al, 2001). Smith et al (1998) found that the forward scattering component may be modeled using a Gaussian probability function.…”

Section: Transmission Of Sunbeam Lightmentioning

confidence: 99%

“…Scattering materials may, however, exhibit a strong forward scattering along the incidence direction and a uniform diffuse scattering (Smith et al, 1998;Smith et al, 2001). Smith et al (1998) found that the forward scattering component may be modeled using a Gaussian probability function.…”

Section: Transmission Of Sunbeam Lightmentioning

confidence: 99%

Tubular daylighting devices. Part I: Development of an optical model (1415-RP)

et al. 2013

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Tubular Daylighting Devices (TDDs) are systems that collect and channel daylight from building roofs into deep interior spaces. To meet high standards of building energy efficiency and glare-free indoor environments, TDD technologies have been rapidly and continuously evolving over the past two decades. However, this pace has been counteracted by a lack of reliable computer design tools. This paper presents the development of analytical models to compute the optical characteristics (transmittance, reflectance and layer absorptances) of various types of complex TDDs. New metrics for the optical and lighting performance are developed. The optical models are based on the ray-tracing technique, and account for the spectral (monochromatic) or broadband optical properties of TDD glazing panes. Experimental validation of these models is presented in an accompanying paper (Laouadi et al., 2013c).

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“…External shading devices are more effective compared to internal devices such as internal roller blinds, venetian blinds etc. External shading devices may be in the form of overhangs, louvers, vertical blinds and the more complex ones will be operable which is more preferred (Smith et al 2010). g. Natural Ventilation: Incorporating natural ventilation into today's air conditioned commercial buildings is not straightforward.…”

Section: Introductionmentioning

confidence: 99%

Passive Design of Buildings for Extreme Weather Environment

Al‐Zubaidy

Tokbolat

Tokpatayeva

2013

Int. J. Renew. Energy Dev.

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Buildings account for nearly 40% of the end-use energy consumption and carbonemissions globally. Buildings, once built, are used at least for several decades. The building sectortherefore holds a significant responsibility for implementing strategies to increase energyefficiency and reduce carbon emissions and thus contribute to global efforts directed towardmitigating the adverse effects of climate change. The work presented in this paper is a part ofcontinuing efforts to identify, analyze and promote the design of low energy, sustainable buildingswith special reference to the Kazakhstan locality. Demonstration of improved environmentalconditions and impact on energy savings will be outlined through a case study incorporating apassive design approach and detailed computational fluid dynamics analysis for an existingbuilding complex. The influence of orientation and configuration is discussed with reference toenergy efficiency and associated wind comfort and safety. The effect of these aspects on energyconsumption and comfortable wind environment has been assessed using CFD analysis and provedto be affective. Single building and multiple building configurations have been analyzed andcompared. According to the findings, multiple building configurations have better wind conditionswhen compared with a single standing building. With respect to orientation the former one shouldbe modeled with the fully surrounded side of a “box” opposite to the predominant wind directionwhereas the latter one should be located with the rear side opposite to the wind direction. Thus,results indicated that there is a considerable influence of passive design and orientation on energyefficiency, wind comfort and safety. Careful consideration and application of the findings canpotentially lead to considerable decrease of energy consumption and, therefore, allow savingmoney and the environment at the same time.

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Science of daylighting in buildings

Cited by 7 publications

References 6 publications

A review of daylighting design and implementation in buildings

A review of daylighting design and implementation in buildings

Tubular daylighting devices. Part I: Development of an optical model (1415-RP)

Passive Design of Buildings for Extreme Weather Environment

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