Evaluation of Pv Powered Switchable Glazing Technologies in Terms of Their Suitability for Office Windows in Moderate Climates

Marchwiński, Janusz

doi:10.3992/jgb.16.4.81

Cited by 5 publications

(5 citation statements)

References 58 publications

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“…On the other hand, the negative attitude increases if employees are given the possibility of individual device regulation. This result may likely contradict the thesis that the office user is willing to directly impact the workplace environment shaping [29]. However, additional research, i.e., into the correlations between answers to questions 13 and 14 (see Section 3.2.5), reveals a slightly different outlook.…”

Section: Overall Results-collective Answersmentioning

confidence: 90%

“…In this aspect, perovskite- [27], DSSC- [28], and organic cells [20] are investigated. Together with the second-generation thin-film cells, they offer new possibilities, as they may be combined with other technologies, such as switchable glazing [29]. Moreover, creating innovative material and construction solutions, such as joining PV cells with timber [30] or ETFE foil [31], has become possible.…”

Section: State-of-the Artmentioning

confidence: 99%

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Research on BIPV in Office and Public Utility Buildings in Aesthetic and Utility Context

Marchwiński

2022

Sustainability

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The idea of the article is to examine the perception of building-integrated photovoltaics (BIPV) by users of buildings in which BIPV has been applied. The study aims at determining the acceptance degree as well as problem areas related to the use of BIPV within façades in the aesthetic and utility context. The article includes survey research conducted among 232 employees working in six office and public buildings with BIPV in Poland. The buildings were selected so that the PV modules within their façades were visible both outside and inside the building. For this reason, two groups of buildings were chosen for the study: those with PV modules as external glazing and with an external PV shelves (three buildings each). The research results indicate differences in the perception of the aesthetic, semantic, and functional roles of BIPV depending on the aforementioned BIPV application method, the observation place (outside or inside the building), and employee characteristics, i.e., groups divided regarding such aspects as their age and time spent in the room with BIPV. The research novelty is in examining the influence of BIPV on users’ reactions in their workplace in terms of aesthetic and utility issues. The research includes post-occupancy evaluation method (POE), which is for the first time used in relation to BIPV in office and public utility buildings. The research can prove useful for investors and designers at the planning and design concept stage. The outcomes constitute a practical source of knowledge for BIPV manufacturers.

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Section: Overall Results-collective Answersmentioning

confidence: 90%

Section: State-of-the Artmentioning

confidence: 99%

Research on BIPV in Office and Public Utility Buildings in Aesthetic and Utility Context

Marchwiński

2022

Sustainability

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“…Switchable glazing plays the main role of a responsive sun barrier, whereas the Pv is the electricity generator required to power the glazing. Additionally, PV can play an auxiliary role in the solar protection of rooms (Marchwiński, 2021b). Future cooperation is expected mainly with the use of electrochromic glazing (Huang et al, 2016) but also with SPD (Gosh & Norton, 2019).…”

Section: Hybrid Solutionsmentioning

confidence: 99%

Aesthetic and functional aspects of BIPV – an architectural outlook

Marchwiński

2023

TechTrans

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The growing interest in the application of photovoltaics in construction resultsin solutions based on the concept of integration with the architecture of thebuilding. This means that the challenge lies not only in the technical integrationitself but in accordance with the concept of building integrated photovoltaics(BIPV), integration results in closer ties with architecture.The following article aims to determine the current possibilities with regard tothe integration of PV technology with the building (narrowed down to the useof PV cells and PV modules) and, consequently, the role of BIPV in modernarchitecture in terms of aesthetics and functionality, including the relationship ofthe building with the environment. The paper offers an architectural perspectiveon the problem while omitting detailed technological issues.To illustrate the considerations, carefully selected design examples (includingthose developed by the author) are used, which enable these possibilities to bedefined across a broad spectrum.Research prompts the conclusion that the development of biPv strengthensthe relationship between Pv technology and architecture, both in terms ofaesthetics and utility. This relationship is synergistic and stimulates the paralleldevelopment of Pv technology as architectural solutions.

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“…In individual applications, i.e., their SBS configuration, the transition to the complete darkening phase takes from a few to about 20 minutes, with the phase change span being directly proportional to the glazing area. It is the longest transition time among all switchable glasses [2].…”

Section: Utility and Energy Behaviormentioning

confidence: 99%

“…Solar cells that generate electricity from sunlight are considered a solution with which to support the work of switchable glazing, to make it self-sufficient in energy terms , thus in line with the idea of shaping energy-saving architecture. The extensive analysis of the PV-switchable technology conducted earlier by the author revealed that, at present, the use of electrochromic glazing is most advantageous in the construction application context [2]. One of the advantages lies in no need for electric current conversion -both technologies operate on direct current, which reduces the need for inverters.…”

Section: Introductionmentioning

confidence: 99%

Theoretical Models of PV-EC Windows Based on the Architectural Analysis of PV-EC Technologies

Marchwiński

2022

Architecture, Civil Engineering, Environment

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The paper provides an architectural analysis of the switchable PV-EC glazing technology based on combining photovoltaic (PV) technology with electrochromic (EC) glazing. The integration of these technologies is considered to constitute future-oriented façade solutions in shaping buildings that are energy-saving and environmentally friendly. The paper aims to define theoretical models of windows using PV-EC technology as solutions adequate from the architectural point of view. To achieve this goal, a comparative analysis of three PV-EC technologies was conducted, i.e., side-by-side (SBS) technology and tandem technologies, namely tandem solid technology (TST) and tandem liquid technology (TLT). The analysis covered functional aspects related to such issues as thermal and visual comfort, energy and aesthetics. The analysis led to extracting the features of the three compared technologies; consequently, their strengths and weaknesses were determined. As a result, seven window models were developed which, based on the above analysis and the insights derived from it, were recognized as the solutions in which the potential of PV and EC technology is best used. The dominant advantages of SBS, being the most developed technology and one with the greatest flexibility in construction applications, are indicated. The research is of a contributory nature, as it constitutes the basis for further numerical and simulation research. Such studies may prove useful to architects in making design decisions, especially at the initial design stages. However, at the current stage of technological development, the study mainly serves as an introduction to further research on improving the PV-EC properties towards integration with the building and its architecture.

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Evaluation of Pv Powered Switchable Glazing Technologies in Terms of Their Suitability for Office Windows in Moderate Climates

Cited by 5 publications

References 58 publications

Research on BIPV in Office and Public Utility Buildings in Aesthetic and Utility Context

Research on BIPV in Office and Public Utility Buildings in Aesthetic and Utility Context

Aesthetic and functional aspects of BIPV – an architectural outlook

Theoretical Models of PV-EC Windows Based on the Architectural Analysis of PV-EC Technologies

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