Review of simulation modeling for shading devices in buildings

Kirimtat, Ayca; Koyunbaba, Başak Kundakçı; Chatzikonstantinou, Ioannis; Sarıyıldız, Sevil

doi:10.1016/j.rser.2015.08.020

Cited by 280 publications

(138 citation statements)

References 85 publications

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“…In the developed optimization procedure we select and evaluate a very small set of candidate solutions with respect to the whole experimental search space, 1500 solutions out of 14 12 , representing the most informative solutions for the optimization objectives.…”

Section: Resultsmentioning

confidence: 99%

“…Five common shading configurations in five climate zones defined by ASHRAE have been compared by Babaizadeh et al in order to provide guidance to decision about the design of shading systems in various types of facilities [11]. A very recent review on shading device types used different building types and different climatic regions has been proposed by Kirimtat et al underlining the importance of simulation modeling to address the problem [12].…”

Section: Shading Devicesmentioning

confidence: 99%

“…Blanco et al developed a model to calculate the energy savings of the building due to the use of perforated sheet panels in different climate zones in Spain and optimized the estimated model to achieve the best configuration of façades for different zones and characteristics of the building [17]. We refer to Kirimtat et al [12] for a complete review of simulation modeling for shading devices in buildings and to Nguyen et al [18] for a review on simulation-based optimization methods applied to building performance analysis.…”

Section: Simulation and Optimization Of Building Shading Devicesmentioning

confidence: 99%

“…In deriving renovation strategies of existing buildings with the aim of increasing indoor thermal comfort and efficiency in energy consumption, an external shading device can play a key role [28,13,29,12]. In this study the optimization of two external devices is carried out on the apartment of a residential social housing built in the 1950s in Madrid (Spain).…”

Section: The Design Of Shading Devicesmentioning

confidence: 99%

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A Pareto-based multi-objective optimization algorithm to design energy-efficient shading devices

2016

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h i g h l i g h t sWe present a multi-objective optimization algorithm for shading design. We combine Harmony search and Pareto-based procedures. Thermal and daylighting performances of external shading were considered. We applied the optimization process to a residential social housing in Madrid. t r a c tIn this paper we address the problem of designing new energy-efficient static daylight devices that will surround the external windows of a residential building in Madrid. Shading devices can in fact largely influence solar gains in a building and improve thermal and lighting comforts by selectively intercepting the solar radiation and by reducing the undesirable glare. A proper shading device can therefore significantly increase the thermal performance of a building by reducing its energy demand in different climate conditions. In order to identify the set of optimal shading devices that allow a low energy consumption of the dwelling while maintaining high levels of thermal and lighting comfort for the inhabitants we derive a multi-objective optimization methodology based on Harmony Search and Pareto front approaches. The results show that the multi-objective approach here proposed is an effective procedure in designing energy efficient shading devices when a large set of conflicting objectives characterizes the performance of the proposed solutions.

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Section: Resultsmentioning

confidence: 99%

Section: Shading Devicesmentioning

confidence: 99%

Section: Simulation and Optimization Of Building Shading Devicesmentioning

confidence: 99%

Section: The Design Of Shading Devicesmentioning

confidence: 99%

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A Pareto-based multi-objective optimization algorithm to design energy-efficient shading devices

2016

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“…When properly designed, they can prevent glare and direct radiation [17][18][19][20], decreasing the use of internal blinds, which are inefficient for external view, lighting and thermal performance.…”

Section: Introductionmentioning

confidence: 99%

The Impact of Occupant Behavior on Daylight Performance of an Office Room in a Tropical Climate

Carvalho¹,

Hazboun²,

Carvalho³

et al. 2018

JCEA

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This work explores three patterns of occupants' control of window blinds and the potential influence on daylight performance of an office room in a tropical climate. In this climate, windows are frequently obstructed by curtains to avoid glare, despite the daylighting and the exterior view. The consequences are obstructed outside view, poor daylight quality and dependency on artificial lighting. This paper assesses the impact on available daylight using parametric analysis based on daylighting dynamic computer simulations using Grasshopper and Daysim software, combining WWR (window-to-wall ratio) (40% and 80%), SVF (sky view factor) (small and large) and occupant behavior (active, intermediate and passive users). The user patterns are based in an office buildings survey that identifies preferences concerning daylight use and control of shading devices. The daylight performance criteria combine UDI (useful daylight illuminance) (500-5,000 lux) and illuminance uniformity distribution. Results confirm the impact of occupant behavior on daylighting performance. The optimum combination of external shading devices, high SVF and high window size results in a useful daylighting for 1/3 of the time for passive users and 2/3 for active users.

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Thermal influence caused by the vertical distribution of reflected solar radiation and re‐radiation on the building in various climate areas and its solar shading method

Kawasaki

Aoki

Sudo

et al. 2020

Japan Architectural Review

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Most houses in Japan have the floor‐length windows to take the natural light into the room. Reflected solar radiation and Re‐radiation from the ground (Reflection) enter through the window and increase the cooling load, therefore reducing reflection to the building is necessary. We focused that reflection is greatly affected by the ground surface, its heat flux may vary depending on the height from the ground. This study presented the thermal influence by the vertical distribution of reflection on the building in various climate areas and considered the solar shading method based on that distribution. The calculation results using Sol‐Air Temperature showed that the incident heat flux of reflection increased on the lower part of the building surface, and the vertical distribution of reflection existed in various areas. We propose to shield up to the lower half part of the building as a solar shading method considering the vertical distribution of reflection. This method could be able to shield most of reflection and incorporate natural light from the top half of the window to ensure room brightness and view, that is expected to be effective in improving indoor comfort and reducing the load of cooling and lighting.

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Review of simulation modeling for shading devices in buildings

Cited by 280 publications

References 85 publications

A Pareto-based multi-objective optimization algorithm to design energy-efficient shading devices

A Pareto-based multi-objective optimization algorithm to design energy-efficient shading devices

The Impact of Occupant Behavior on Daylight Performance of an Office Room in a Tropical Climate

Thermal influence caused by the vertical distribution of reflected solar radiation and re‐radiation on the building in various climate areas and its solar shading method

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