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Dr. Miren Juaristi
Eurac Research - Institute for Renewable Energy

Basic Info


Research Keywords & Expertise

0 Smart Materials
0 Renewable energy (Building Integrated Photovoltaic BIPV)
0 facade technology
0 Energy Efficient in Buildings
0 Adaptive building envelope

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Short Biography

I am a PhD Architect, graduated in May 2016 (School of Architecture, University of Navarra) and doctorated within the program “Environmental & Technological Design in Architecture” (2016/09-2020/08 University of Navarra, Spain) with a thesis entitled “Adaptive Opaque Facades: a performance-based design method”. I have developed my PhD in an international environment: I participated in the COST ACTION TU1403-Adaptive Facade Network, which gave me the chance to do a “Short Term Scientific Mission” in Architectural Facades & Products Research Group [AF&P] of Technical University of Delft (2017/09-2017/12, The Netherlands). Moreover, I was guest researcher at Technology Energy Building and Environment [TEBE] Research group of Politecnico di Torino (2018/12-2019/12 Italy). In October 2020 I started a postdoctoral position at Eurac Research (Bolzano, Italy), within Energy Efficient Buildings group. My current research topics are the following ones: Adaptive Facades, Prefabricated Facades, Circular Economy and Business Models for Innovative Facades, Renewable Energy Integration in Facade Systems and Building Thermal Performance.

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Journal article
Published: 03 December 2020 in Sustainability
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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.

ACS Style

Miren Juaristi; Thaleia Konstantinou; Tomás Gómez-Acebo; Aurora Monge-Barrio. Development and Validation of a Roadmap to Assist the Performance-Based Early-Stage Design Process of Adaptive Opaque Facades. Sustainability 2020, 12, 10118 .

AMA Style

Miren Juaristi, Thaleia Konstantinou, Tomás Gómez-Acebo, Aurora Monge-Barrio. Development and Validation of a Roadmap to Assist the Performance-Based Early-Stage Design Process of Adaptive Opaque Facades. Sustainability. 2020; 12 (23):10118.

Chicago/Turabian Style

Miren Juaristi; Thaleia Konstantinou; Tomás Gómez-Acebo; Aurora Monge-Barrio. 2020. "Development and Validation of a Roadmap to Assist the Performance-Based Early-Stage Design Process of Adaptive Opaque Facades." Sustainability 12, no. 23: 10118.

Journal article
Published: 19 May 2020 in Sustainable Cities and Society
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Mainstream design approaches for low-energy buildings make use of highly-insulated building envelopes. However, if façades are always blocking energy exchange, the climatic resources surrounding the built environment might remain untapped or issues like overheating could arise. By reducing energy demand or improving indoor comfort, adaptive opaque façades are considered a promising sustainable alternative. The usual approach for designing adaptive façades relies on detailed simulations of specific façade components. Such technology-oriented approaches tend to be incompatible with the early-stage design process and do rarely make a conscious analysis of the potential climatic resources, which could result in sub-optimal façade adaptation strategies. This paper presents a new methodological approach called Dynamic Climate Analysis (DCA) and shows that it is possible to narrow down the preferable adaptive opaque façade responses at early design stages by extracting relevant transient information from weather files. Users only define the location, geometry and placement of the façade. It was concluded that DCA represents a broadly useful early-stage design decision support because of its ability to estimate the proportion of preferred adaptive thermal behaviours without proposing defined technological solutions. Therefore, DCA is an effective approach to test the potential application of upcoming responsive technologies in specific built contexts.

ACS Style

Miren Juaristi; Roel Loonen; Francesco Isaia; Tomás Gómez-Acebo; Aurora Monge-Barrio. Dynamic Climate Analysis for early design stages: a new methodological approach to detect preferable Adaptive Opaque Façade Responses. Sustainable Cities and Society 2020, 60, 102232 .

AMA Style

Miren Juaristi, Roel Loonen, Francesco Isaia, Tomás Gómez-Acebo, Aurora Monge-Barrio. Dynamic Climate Analysis for early design stages: a new methodological approach to detect preferable Adaptive Opaque Façade Responses. Sustainable Cities and Society. 2020; 60 ():102232.

Chicago/Turabian Style

Miren Juaristi; Roel Loonen; Francesco Isaia; Tomás Gómez-Acebo; Aurora Monge-Barrio. 2020. "Dynamic Climate Analysis for early design stages: a new methodological approach to detect preferable Adaptive Opaque Façade Responses." Sustainable Cities and Society 60, no. : 102232.

Review
Published: 17 April 2020 in Building and Environment
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The interest in occupant interaction with building controls and automation systems is growing due to the wider availability of embedded sensing devices and automated or intelligent building components that can integrate building control strategies with occupant-centred data and lead to greater occupant satisfaction and reduction in energy consumption. An area of particular interest is the interaction strategies between occupants and the so called automated facades, such as dynamic shading devices and switchable glazing. Occupant-Facade interactions are often disruptive and source of dissatisfaction because of conflicts between competing requirements, e.g. energy-efficiency and indoor environmental quality. To solve these conflicts, expertise from several disciplines is required, including Behavioural Science and Building Physics, but the absence of common research frameworks impedes knowledge transfer between different fields of expertise. This paper reviews existing multi-disciplinary research on occupant interaction with facades, buildings and automation systems and provides a new classification scheme of Occupant-Facade interaction. The scheme is based on an extensive review of interactive scenarios between occupants and facades that are summarised in this paper. The classification scheme was found to be successful in: 1) capturing the multidisciplinary nature of interactive scenarios by clarifying relationships between components; 2) identifying similarities and characteristics among interactive scenarios; 3) understanding research gaps. The classification scheme proposed in this paper has the potential to be a useful tool for the multi-disciplinary research community in this field. The review also showed that more research is needed to characterise the holistic and multi-disciplinary effect of occupant interaction with intelligent building components.

ACS Style

Alessandra Luna-Navarro; Roel Loonen; Miren Juaristi; Aurora Monge-Barrio; Shady Attia; Mauro Overend. Occupant-Facade interaction: a review and classification scheme. Building and Environment 2020, 177, 106880 .

AMA Style

Alessandra Luna-Navarro, Roel Loonen, Miren Juaristi, Aurora Monge-Barrio, Shady Attia, Mauro Overend. Occupant-Facade interaction: a review and classification scheme. Building and Environment. 2020; 177 ():106880.

Chicago/Turabian Style

Alessandra Luna-Navarro; Roel Loonen; Miren Juaristi; Aurora Monge-Barrio; Shady Attia; Mauro Overend. 2020. "Occupant-Facade interaction: a review and classification scheme." Building and Environment 177, no. : 106880.

Journal article
Published: 30 November 2018
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Today’s society needs to face challenging targets relating to environment and energy efficiency, and therefore the development of efficient façade systems is essential. Innovative concepts such as Adaptive Building Façades might play a role in the near future, as their dynamic behaviour could optimise the performance of a building. For their successful development, a balance between sophistication and benefit is necessary and the implementation of Smart and Multifunctional Materials in building envelopes could be the key, as they have the ability to repeatedly and reversibly change some of their functions, features, or behaviours over time in response to environmental conditions. However, these materials were predominantly developed for use in other fields, and there is a lack of specific technical information to evaluate their usefulness in façade engineering. The aim of this paper is to collect the critical information about promising responsive materials for use in the design of Adaptive Façades, in order to help designers and technicians in decision-making processes and to scope possible future applications in façades. Investigated materials were analysed from the Building Science standpoint; their weaknesses and threats in the built environment were highlighted, and their technical feasibility was examined through the study of their availability in the current market.

ACS Style

Miren Juaristi. Smart and multifunctional materials and their possible application in façade systems. 2018, 1 .

AMA Style

Miren Juaristi. Smart and multifunctional materials and their possible application in façade systems. . 2018; ():1.

Chicago/Turabian Style

Miren Juaristi. 2018. "Smart and multifunctional materials and their possible application in façade systems." , no. : 1.

Journal article
Published: 30 November 2018
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Climate Adaptive Facades are considered promising breakthroughs for the reduction of energy consumption, as energy exchange is enabled when the weather conditions offer benefits instead of threats. So far, conventional building envelops enhance thermal performance through opaque façade components and static insulations. Therefore, natural resources from the building environment remain untapped. Little research has been done in Adaptive Opaque Facades, even if their dynamic behaviour shows a strong potential to exploit environmental resources. For the successful development of these innovative façade systems, a balance between sophistication and benefit is necessary. To manage this objective, the implementation of Smart and Multifunctional Materials in the envelopes seems promising, as they are able to repeatedly and reversibly change some of its functions, features or behaviour over time in response to environmental condition. Consequently, to trigger the response of the envelope, no external actuator or complex software management would be necessary. Nevertheless, these materials do not fulfil all the façade requirements by themselves. Thus, they need to be combined with other adaptive technologies and building elements. This paper shows an initial definition of different façade configurations that include reactive materials which enable the adaptiveness of Opaque Façade Systems. The desired results are new facade roles suitable for a temperate climate, according to the potential of these multi-performance materials in the external layer of the envelope: the dynamic temperature change of the external cladding through the solar reflectance change and the enhancement or prevention of thermal loses through Shape Changing Ventilated Facades. To achieve these new high performances, an ideal approach to the thermal behaviour of each façade layer was done and required physical properties of each elements were highlighted. As a result, we propose a mapping of potentially suitable combination of reactive materials with other building elements that might enable the holistic adaptive thermal performance.

ACS Style

Miren Juaristi. Exploring the potential of smart and multifunctional materials in adaptive opaque façade systems. 2018, 1 .

AMA Style

Miren Juaristi. Exploring the potential of smart and multifunctional materials in adaptive opaque façade systems. . 2018; ():1.

Chicago/Turabian Style

Miren Juaristi. 2018. "Exploring the potential of smart and multifunctional materials in adaptive opaque façade systems." , no. : 1.

Journal article
Published: 30 November 2018
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Post-occupancy evaluation is a valuable method of generating information on the performance of adaptive building façades in relation to users. This evaluation technique involves both procedural methods, such as soft-landing, and empirical measuring, such as environ- mental monitoring or self-reporting techniques including surveys. Several studies have been carried out in recent decades to identify the most appropriate methods for occupant comfort, well-being, productivity, satisfaction, and health assessments in workplaces. Post-occupancy evaluation of adaptive façades can, however, be a challenging task and information on this topic is still scarce and fragmented. The main contribution of this paper is to bring together and classify the post-occupancy evaluation methods for adaptive façades and suggest a framework for their holistic evaluation. Specific recommendations for improving current standards and guide- lines are outlined here to enhance occupant satisfaction and environmental conditions in workplaces for future design projects. Finally, we discuss various ongoing trends and research requirements in this field.

ACS Style

Miren Juaristi. Post-occupancy evaluation for adaptive façades. 2018, 1 .

AMA Style

Miren Juaristi. Post-occupancy evaluation for adaptive façades. . 2018; ():1.

Chicago/Turabian Style

Miren Juaristi. 2018. "Post-occupancy evaluation for adaptive façades." , no. : 1.

Review article
Published: 18 August 2018 in Building and Environment
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Over the last decades, new concepts of building envelopes have been proposed to achieve environmental targets. Adaptability of transparent components and facade integration of renewable energy harvesters are being widely studied. However, opaque facade components are less developed, even if their performance can be further optimized. When searching responsive technologies to propose new opaque facades, we learned they were usually created for other fields, which hampers their direct application in new envelopes. The successful implementation of these technologies in façade industry depends on the fulfilment of diverse requirements, such as durability, security or flexibility in design among others, but this information was not easy to get when they were not developed for the built environment. There is a lack of empirical studies evaluating these characteristics for adaptive technologies, which are mandatory to define the technical specifications of a facade. However, literature review provides a great amount of qualitative information and this study uses it for its analysis in order to gain insights into the degree of accomplishments of aforementioned requirements. Analysed technologies were kinetic elements, shifting thermal behaviour elements, dynamic components and systems. Overall, they still need to face several technical challenges for their suitable facade application. The novel visual analysis proposed in this paper is an useful tool for researchers undertaking this task, as it allows a fast and holistic comparison of the potentials and weaknesses of the dynamic technologies. It was concluded that a suitable combination among them could help to achieve the broad functionalities of the facades.

ACS Style

Miren Juaristi; Tomás Gómez-Acebo; Aurora Monge-Barrio. Qualitative analysis of promising materials and technologies for the design and evaluation of Climate Adaptive Opaque Façades. Building and Environment 2018, 144, 482 -501.

AMA Style

Miren Juaristi, Tomás Gómez-Acebo, Aurora Monge-Barrio. Qualitative analysis of promising materials and technologies for the design and evaluation of Climate Adaptive Opaque Façades. Building and Environment. 2018; 144 ():482-501.

Chicago/Turabian Style

Miren Juaristi; Tomás Gómez-Acebo; Aurora Monge-Barrio. 2018. "Qualitative analysis of promising materials and technologies for the design and evaluation of Climate Adaptive Opaque Façades." Building and Environment 144, no. : 482-501.