State of the Art in Building Façades

Sandak, Anna; Sandak, Jakub; Brzezicki, Marcin; Kutnar, Andreja

doi:10.1007/978-981-13-3747-5_1

Cited by 10 publications

(11 citation statements)

References 14 publications

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“…Having small leaves and thorns in abundance instead of large leaves minimizes surface exposure to direct sunlight and, therefore, reduces heat gain. The thick outer layers and a wax cover reduce the heat gained (selective reflection) [22,24].…”

Section: Overview Of Biomimicrymentioning

confidence: 99%

“…There are common features between the skin of a building and the organisms' skin, membranes, cuticles, or shells; both protect the building/body from external conditions, and all of them are composed of several layers [24]. The building skin is the interface element between outdoor and indoor environments.…”

Section: Biomimicry and Building Skinmentioning

confidence: 99%

“…2. Key similarities between organisms' skin and building façades [24]. Autonomy (sDA) in an acceptable range (50.6%), and decreasing Daylight Glare Probability (DGP).…”

Section: Biomimicry and Building Skinmentioning

confidence: 99%

“…Based on extensive research on the adaptation strategies of organisms and plants in hot, desert areas [22][23][24], reptiles (particularly snakes) have been selected as they successfully respond to high daylighting levels and illumination values. Further, plants have been selected as they can respond to a wide spectrum of changing environmental conditions (e.g., light, moisture, temperature, and wind speed) [23,[35][36][37][38][39].…”

Section: The Biological Solutionmentioning

confidence: 99%

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Biomimicry as an Approach to Improve Daylighting Performance in Office Buildings in Assiut City, Egypt

Hassan¹,

Ali²,

Ahmed³

2023

Journal of Daylighting

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Biomimicry inspired architects to solve complex design problems and develop adaptive solutions for enhancing the environmental quality. Fields of inspiration include energy efficiency, natural ventilation, daylighting, and structural stability. In this paper, 144 biomimicry-inspired building skin alternatives have been developed to improve daylighting performance in office buildings in Assiut City, Egypt; 72 alternatives are of 0.5 m frame depth, and other 72 alternatives are of 1.0 m frame depth. Two levels of biomimicry; namely, the organism level (snakeskin) and the behavior level (plants tropism), have been adopted. Alternatives have been developed to be simulated ClimateStudio plug-in for Rhino in accordance with the international rating system leadership in energy and environmental design (LEED v4.1). The evaluation criteria are spatial Daylight Autonomy (sDA), Annual Sunlight Exposure (ASE), Annual Average Lux (AAl), and Spatial Distributing Glare (sDG). An evaluation point system has been developed to evaluate alternatives using Analytical Hierarchy Process (AHP) based on the feedback of 14 faculty of architecture members. Nine building skin alternatives developed succeeded to achieve notable improvement (from 16.69% to 33.73%) compared to the base cases. In general, the 1.0 m frame-depth alternatives achieved better results in improving daylighting performance than the 0.5 m frame-depth alternatives. The most effective parameter in improving daylighting performance was the rotation angle of the skin unit used, to be followed by the distance between the skin and the building façade, the solid-to-void ratio of the skin, the number of units constituting the skin system, and the horizontal bending distance of the skin unit, respectively.

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Section: Overview Of Biomimicrymentioning

confidence: 99%

Section: Biomimicry and Building Skinmentioning

confidence: 99%

“…2. Key similarities between organisms' skin and building façades [24]. Autonomy (sDA) in an acceptable range (50.6%), and decreasing Daylight Glare Probability (DGP).…”

Section: Biomimicry and Building Skinmentioning

confidence: 99%

Section: The Biological Solutionmentioning

confidence: 99%

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Biomimicry as an Approach to Improve Daylighting Performance in Office Buildings in Assiut City, Egypt

Hassan¹,

Ali²,

Ahmed³

2023

Journal of Daylighting

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“…In recent years, chromogenic façades gained increased attention and are becoming more commercially available. Due to its operational approach which relies on electrochemical reactions in the layers of semiconducting materials, mechanical parts are eliminated, and the system can run with low operating costs (Sandak et al, 2019). Active ventilation systems represent another example for extrinsic implementations of adaptive façades.…”

Section: Active Adaptation Strategiesmentioning

confidence: 99%

Active, Passive and Cyber-Physical Adaptive Façade Strategies

Böke

Denz

Suwannapruk

et al. 2022

JFDE

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In view of the required energy savings in the building sector, there is an urgent need for innovative and sustainable solutions to increase the performance of building envelopes. Adaptive façades can make an important contribution, whereby passive low-tech strategies and active high-tech solutions are apparently incompatible. In current digitalization, new technologies and methods for the implementation of adaptive façades emerge in the framework of Cyber-Physical Systems. The investigation follows the research question: How can active and passive approaches of adaptive façades be mediated and what potential do Cyber-Physical Systems have for the implementation of hybrid solution approaches in the future? The article presents a comparative case study of the two research projects ADAPTEX and PRÄKLIMA as examples of passive and active adaptation strategies in the façade industry. In this context, the potential for further research of Cyber-Physical Systems in the application domain of adaptive façades as a catalyst for high-performance and multifunctional solutions, and as a mediator between both strategies, is highlighted. The main findings are the potential application of cyber-physical system technologies to the design and monitoring of passive adaptive façade solutions, as well as the possible integration of passively conceptualized components into active overall systems.

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Numerical Studies on Innovative Prestressed Aluminium Alloy Profiles for Curtain Wall Systems

Formisano,

Naqash

2024

Lecture Notes in Civil Engineering

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State of the Art in Building Façades

Cited by 10 publications

References 14 publications

Biomimicry as an Approach to Improve Daylighting Performance in Office Buildings in Assiut City, Egypt

Biomimicry as an Approach to Improve Daylighting Performance in Office Buildings in Assiut City, Egypt

Active, Passive and Cyber-Physical Adaptive Façade Strategies

Numerical Studies on Innovative Prestressed Aluminium Alloy Profiles for Curtain Wall Systems

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