Shape morphing solar shadings: A review

Fiorito, Francesco; Sauchelli, Michele; Arroyo, Diego; Pesenti, Marco; Imperadori, Marco; Masera, Gabriele; Ranzi, Gianluca

doi:10.1016/j.rser.2015.10.086

Cited by 143 publications

(81 citation statements)

References 118 publications

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“…The types of smart materials of folding shading systems (either sensors or actuators) are illustrated in Figure 2 [106]. An effective type of shading systems is the shape morphing solar shading also called the folding shading system or the Origami shading device.…”

Section: System 3: Torsion Bar Carrier [100]mentioning

confidence: 99%

“…The application of shape morphing solar shading in buildings depends on the following criteria that are considered to identify and analyze in detail the most suitable smart materials [106]: Recently, there are no solar shading devices that are entirely made of smart materials due to the material properties and costs. Therefore, smart materials are still used either as sensors or as actuators.…”

Section: System 3: Torsion Bar Carrier [100]mentioning

confidence: 99%

“…The types of smart materials of folding shading systems (either sensors or actuators) are illustrated in Figure 2 [106]. Stimulus-responsive materials (SRMs) are the most suitable smart materials for shape morphing solar skins.…”

Section: System 3: Torsion Bar Carrier [100]mentioning

confidence: 99%

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Building Applications, Opportunities and Challenges of Active Shading Systems: A State-of-the-Art Review

2017

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Active shading systems in buildings have emerged as a high performing shading solution that selectively and optimally controls daylight and heat gains. Active shading systems are increasingly used in buildings, due to their ability to mainly improve the building environment, reduce energy consumption and in some cases generate energy. They may be categorized into three classes: smart glazing, kinetic shading and integrated renewable energy shading. This paper reviews the current status of the different types in terms of design principle and working mechanism of the systems, performance, control strategies and building applications. Challenges, limitations and future opportunities of the systems are then discussed. The review highlights that despite its high initial cost, the electrochromic (EC) glazing is the most applied smart glazing due to the extensive use of glass in buildings under all climatic conditions. In terms of external shadings, the rotating shading type is the predominantly used one in buildings due to its low initial cost. Algae façades and folding shading systems are still emerging types, with high initial and maintenance costs and requiring specialist installers. The algae façade systems and PV integrated shading systems are a promising solution due to their dual benefits of providing shading and generating electricity. Active shading systems were found to save 12 to 50% of the building cooling electricity consumption.

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Section: System 3: Torsion Bar Carrier [100]mentioning

confidence: 99%

Section: System 3: Torsion Bar Carrier [100]mentioning

confidence: 99%

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Building Applications, Opportunities and Challenges of Active Shading Systems: A State-of-the-Art Review

2017

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“…Light should be seen as necessary for vision and as a powerful modulator of non-visual functions, like the improvement of alertness and performance on cognitive tasks. Thus, occupants' visual comfort must be considered by the physiological and psychological point of view as a part of the processes used by people to improve the fit between needs and environmental conditions through adaptation to the surrounding environment that connected to the occupants' satisfaction (Fiorito, et al, 2016). A BIPV system as a second layer of building envelopes is useful not only for the electric power generation but also for blocking solar radiation to reduce cooling load.…”

Section: Adaptive Building Envelopes / Photovoltaic Façadesmentioning

confidence: 99%

“…Shading devices are one of the building envelope components / facades suitable for the integration of renewable energy systems (Fiorito, et al, 2016). Photovoltaics as shading devices are usually an external building skin layer that can be applied independently in both new and existing buildings.…”

Section: Kinetic Photovoltaic Facades (Kpvf)mentioning

confidence: 99%

Obstacles to the Automation of Building Performance Simulation: Adaptive Building Integrated Photovoltaic (BIPV) design

Somboonwit

Boontore

Rugwongwan

2017

E-BPJ

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Building Integrated Photovoltaic (BIPV) is one of the most promising renewable energy technologies. A BIPV system as a second layer of building envelopes is useful not only for the electric power generation but also for blocking solar radiation to reduce cooling load. This study aimed to explore the limitations of the automated BPS of an adaptive BIPV case study that its development conducted through a collaboration of a BIM software, a BIM-integrated visual programming environment, and a cloud-based energy analysis. The possible obstacles to BIPV design processes and the potential solutions have been discussed.

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Engineering Kirigami Frameworks Toward Real‐World Applications

Jin,

Yang

2023

Advanced Materials

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The surge in advanced manufacturing techniques has led to a paradigm shift in the realm of material design from developing completely new chemistry to tailoring geometry within existing materials. Kirigami, evolved from a traditional cultural and artistic craft of cutting and folding, has emerged as a powerful framework that endows simple 2D sheets with unique mechanical, thermal, optical, and acoustic properties, as well as shape‐shifting capabilities. Given its flexibility, versatility, and ease of fabrication, there are significant efforts in developing kirigami algorithms to create various architectured materials for a wide range of applications. This review summarizes the fundamental mechanisms that govern the transformation of kirigami structures and elucidates how these mechanisms contribute to their distinctive properties, including high stretchability and adaptability, tunable surface topography, programmable shape morphing, and characteristics of bistability and multistability. It then highlights several promising applications enabled by the unique kirigami designs and concludes with an outlook on the future challenges and perspectives of kirigami‐inspired metamaterials toward real‐world applications.

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Shape morphing solar shadings: A review

Cited by 143 publications

References 118 publications

Building Applications, Opportunities and Challenges of Active Shading Systems: A State-of-the-Art Review

Building Applications, Opportunities and Challenges of Active Shading Systems: A State-of-the-Art Review

Obstacles to the Automation of Building Performance Simulation: Adaptive Building Integrated Photovoltaic (BIPV) design

Engineering Kirigami Frameworks Toward Real‐World Applications

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