Design, fabrication and computational simulation of a bio-kinetic façade inspired by the mechanism of the Lupinus Succulentus plant for daylight and energy efficiency

Anzaniyan, Elmira; Alaghmandan, Matin; Koohsari, Ayda Montaser

doi:10.1080/23744731.2022.2122675

Cited by 6 publications

(2 citation statements)

References 22 publications

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“…The building envelope solar exposure greatly influences the building’s potential for energy performance [ 95 ]. In building facades, controlling parameters such as height, the shape of windows, angles, the shape of shading, and size can be effective in regulating the solar gains of the buildings, as well as influencing the indoor illuminance [ 96 , 97 ], which directly influences the thermal and lighting performance of the building.…”

Section: Biomimicry In Responsive Envelopes and Applicationsmentioning

confidence: 99%

“…This mechanism aimed to protect windows from surplus solar radiation during hot days and maximize solar radiation during days with mild temperatures. Grasshopper was also used as a computational tool by Anzaniyan et al [ 96 ]. A simulation was performed with this tool together with EnergyPlus™ of a southern facade of an open office in Tehran.…”

Section: Biomimicry In Responsive Envelopes and Applicationsmentioning

confidence: 99%

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Environmentally Responsive Materials for Building Envelopes: A Review on Manufacturing and Biomimicry-Based Approaches

2023

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Buildings must adapt and respond dynamically to their environment to reduce their energy loads and mitigate environmental impacts. Several approaches have addressed responsive behavior in buildings, such as adaptive and biomimetic envelopes. However, biomimetic approaches lack sustainability consideration, as conducted in biomimicry approaches. This study provides a comprehensive review of biomimicry approaches to develop responsive envelopes, aiming to understand the connection between material selection and manufacturing. This review of the last five years of building construction and architecture-related studies consisted of a two-phase search query, including keywords that answered three research questions relating to the biomimicry and biomimetic-based building envelopes and their materials and manufacturing and excluding other non-related industrial sectors. The first phase focused on understanding biomimicry approaches implemented in building envelopes by reviewing the mechanisms, species, functions, strategies, materials, and morphology. The second concerned the case studies relating to biomimicry approaches and envelopes. Results highlighted that most of the existing responsive envelope characteristics are achievable with complex materials requiring manufacturing processes with no environmentally friendly techniques. Additive and controlled subtractive manufacturing processes may improve sustainability, but there is still some challenge to developing materials that fully adapt to large-scale and sustainability needs, leaving a significant gap in this field.

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Section: Biomimicry In Responsive Envelopes and Applicationsmentioning

confidence: 99%

Section: Biomimicry In Responsive Envelopes and Applicationsmentioning

confidence: 99%

Environmentally Responsive Materials for Building Envelopes: A Review on Manufacturing and Biomimicry-Based Approaches

2023

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Biomimetic Strategies for Sustainable Resilient Cities: Review across Scales and City Systems

Borham,

Croxford,

Wilson

2024

Biomimetics

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Biomimicry applications in different domains, from material science to technology, have proven to be promising in inspiring innovative solutions for present-day challenges. However, biomimetic applications in the built environment face several barriers including the absence of biological knowledge of architects and planners and the lack of an adequate common means to transfer biomimetic concepts into strategies applicable in the urban context. This review aims to create a multidimensional relational database of biomimetic strategies from successful precedent case studies in the built environment across different city systems and on different application scales. To achieve this, a thorough systematic search of the literature was implemented to map relevant biomimetic case studies, which are analyzed to extract biomimetic strategies that proved to be applicable and successful in an urban context. These strategies are then classified and documented in a relational database. This will provide a guide for architects and planners on how to transfer biomimetic strategies to strategies applicable in the urban context, thus bridging the gap of their lack of biological knowledge. The resulting matrix of strategies provides potential strategies across most of the different city systems and scales with few exceptions. This gap will be covered in a future work, currently in progress, to expand the database to include all city systems and scales.

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Daylight Comfort Performance of a Vertical Fin Shading System: Annual Simulation and Experimental Testing of a Prototype

Brzezicki

2024

Buildings

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This study aims to develop and evaluate a vertically rotated fin shading system for an energy-efficient, user-friendly office space. The system was designed to protect a 4 × 8 m office room with a south-facing facade from excessive solar radiation and glare. The shading system was modelled and simulated using Rhino/Ladybug 1.6.0 software with Radiance engine, based on real-weather data (*.epw file) for Wrocław, Poland at 51° lat. The simulation calculated the useful daylight illuminance (UDI) for 300–3000 lux and the daylight glare probability (DGP) for ten static and four kinetic variants of the system. The optimal angle of the fin rotation for the static variant was found to be α = 40°. The kinetic variants were activated when the work plane illuminance exceeded 3000 lux, as detected by an internal sensor “A”. The simulation results show that the kinetic system improved the daylight uniformity in the office room, achieving UDI300–3000 values above 80% for more than 40% of the room area. A prototype of the system in a 1:20 scale was built and tested on a testbed at Wrocław University of Science and Technology, using TESTO THL 160 data loggers. The measurements were conducted for a week in early November 2023, and three clear days were selected for analysis. The measurement results indicate that the low solar altitude on clear days causes high illuminance peaks (15–18 Klux) and significant contrast in the room, leading to unsatisfactory DGP values consistent with the simulation outcomes. Therefore, the study concludes that the proposed system may need an additional shading device to prevent glare during periods of low solar altitudes.

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Design, fabrication and computational simulation of a bio-kinetic façade inspired by the mechanism of the Lupinus Succulentus plant for daylight and energy efficiency

Cited by 6 publications

References 22 publications

Environmentally Responsive Materials for Building Envelopes: A Review on Manufacturing and Biomimicry-Based Approaches

Environmentally Responsive Materials for Building Envelopes: A Review on Manufacturing and Biomimicry-Based Approaches

Biomimetic Strategies for Sustainable Resilient Cities: Review across Scales and City Systems

Daylight Comfort Performance of a Vertical Fin Shading System: Annual Simulation and Experimental Testing of a Prototype

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