Modeling of facade elements with switchable U-value

Pflug, Thibault; Nestle, Nikolaus; Kuhn, Tilmann E.; Siroux, Monica; Mäurer, Christoph

doi:10.1016/j.enbuild.2017.12.044

Cited by 37 publications

(15 citation statements)

References 18 publications

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“…In addition to reducing the amount of energy required for space heating and cooling, CCBEs are increasingly being designed with BIPV to generate electricity; BISTS to supply domestic hot water and additional heat for space heating; or Building Integrated PhotoVolatic-Thermal (BIPVT) elements which simultaneously produce both thermal and electrical energy. Thermal diodicity, dynamic insulation, adaptive insulation and switchable insulation concepts (Stazi et al, 2012;Kimber et al, 2014;Berge et al, 2015;Menyhart & Krarti, 2017;Jin et al 2017;Koenders et al, 2018;Pflug et al, 2018;Rupp & Krarti, 2019;Cui & Overend, 2019) have significant potential to improve the efficacy of CCBEs in respect of their ability to collect solar and ambient heat in cold climates (Figure 3a); reject excess heat in hot climates (Figure 3b); and potentially improve the efficiency of BIPV elements by regulating cell temperatures.…”

Section: Climate Control Building Envelopesmentioning

confidence: 99%

Vertical Planar Liquid-Vapour Thermal Diodes (PLVTD) and their application in building façade energy systems

Pugsley

Zacharopoulos

Mondol

et al. 2020

Applied Thermal Engineering

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Section: Climate Control Building Envelopesmentioning

confidence: 99%

Vertical Planar Liquid-Vapour Thermal Diodes (PLVTD) and their application in building façade energy systems

Pugsley

Zacharopoulos

Mondol

et al. 2020

Applied Thermal Engineering

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“…There are some examples of AOF built within the research environment to test experimentally their performance. At facade component level, researchers produced prototypes which controlled the thermal heat transfer, such as the prototype of a Removable Insulation component [53], a Close Loop Dynamic Insulation (see Figure 3) [63], a Permeodynamic wall [64], or a Bi-directional Thermodiode component [65]. The last two components were also assessed in calibrated test cells [39][40][41][42][43].…”

Section: Adaptive Opaque Facades: An Innovative Concept Born In the Rmentioning

confidence: 99%

Development and Validation of a Roadmap to Assist the Performance-Based Early-Stage Design Process of Adaptive Opaque Facades

et al. 2020

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Adaptive Opaque Facades (AOF) is an innovative concept with potential to achieve low carbon energy buildings. However, so far AOF are not integrated in the construction industry. One remarkable issue that designers have when dealing with alternative low-carbon technologies, such as AOF, is the absence of previous built experiences and the lack of specialised technical knowledge. Design roadmaps can be convenient solutions to guide pioneer low carbon technology applications. This work presents a roadmap to assist the performance-based early-stage design process of Adaptive Opaque Facades. Previous research developed new approaches and tools to assist on the construction definition of AOF, so that their adaptive thermal performance was considered when specific design decisions needed to be made. The roadmap presented in this paper organises the implementation sequence of each methodological approach and tools in different design stages, which aims to provide a holistic design approach for AOF. The usability of the roadmap was validated in a workshop called “Performance-based Design and Assessment of Adaptive Facades” with master students representing the target group of this roadmap. Even though these students had never heard about AOF before, they could successfully design, define the early-stage characteristics of an AOF and quantify the thermal performance of their AOF designs. The roadmap was proven to be a useful support, which might make the implementation of AOF more approachable in the future.

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“…Materials with variable heat transfer coefficient (so-called regulated insulation) are recently in the prototype phase. In most cases, the insulation action is executed by regulating convection-by creating adjacent air buffers and skilfully controlling the air circulation between them (Pflug et al 2018). It is also possible to regulate the thermal capacity of the façade so that it can accumulate energy during periods of increased heat load.…”

Section: Practical Implementationmentioning

confidence: 99%

State of the Art in Building Façades

Sandak

Brzezicki

et al. 2019

Bio-Based Building Skin

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This chapter presents a portfolio of building materials suitable for façades. It describes the relationship between material type, building element, façade, and the entire building structure. Traditional façades based on static components, as well as adaptive concepts able to interact with changing environmental conditions, are briefly described and illustrated with pictures. Climatic design principles, biomimicry, and bioinspiration in architecture are introduced with the purpose of inspiring future developments.

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Modeling of facade elements with switchable U-value

Cited by 37 publications

References 18 publications

Vertical Planar Liquid-Vapour Thermal Diodes (PLVTD) and their application in building façade energy systems

Vertical Planar Liquid-Vapour Thermal Diodes (PLVTD) and their application in building façade energy systems

Development and Validation of a Roadmap to Assist the Performance-Based Early-Stage Design Process of Adaptive Opaque Facades

State of the Art in Building Façades

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