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Concept

Toiture végétale

Publications associées (19)

Strategic PV expansion and its impact on regional electricity self-sufficiency: Case study of Switzerland

Alina Ursula Rosa Walch

Solar photovoltaics (PV) will play an important role in decarbonising the energy system. To date, most assessments of PV transition pathways focus on least-cost aspects, without neither considering the time needed to achieve a substantial PV deployment, no ...

ELSEVIER SCI LTD2023

Where is the money ? A decomposition of monetary flows behind fossil fuels

François Maréchal, Jonas Schnidrig, Xiang Li

Transition from fossils to renewables is leading to radical societal changes. Shifting the capital from fossils to renewables is commonly accompanied with political concerns, such as energy autonomy, domestic employment etc. Despite a decreasing trend in r ...

DTU Construct2022

Autonomous Detection and Deterrence of Pigeons on Buildings by Drones

Dario Floreano, Fabrizio Schiano, Davide Zambrano

Pigeons may transmit diseases to humans and cause damages to buildings, monuments, and other infrastructure. Therefore, several control strategies have been developed, but they have been found to be either ineffective or harmful to animals and often depend ...

2022

The future of IEQ in green building certifications

Dusan Licina

Although indoor environmental quality (IEQ) and human health have been on the agenda of the green building industry, a new emphasis is being placed on building features that explicitly promote the experience of occupants. However, evidence of the performan ...

2021

Big data mining for the estimation of hourly rooftop photovoltaic potential and its uncertainty

Jean-Louis Scartezzini, Nahid Mohajeri Pour Rayeni, Roberto Castello, Alina Ursula Rosa Walch

The large-scale deployment of photovoltaics (PV) on building rooftops can play a significant role in the transition to a low-carbon energy system. To date, the lack of high-resolution building and environmental data and the large uncertainties related to e ...

2020

Urban greening archetypes at the European scale

Jean-Louis Scartezzini, Silvia Coccolo, Dasaraden Mauree, Amarasinghage Tharindu Dasun Perera, Nahid Mohajeri Pour Rayeni, Cynthia Houmani

Urban greening has great ecological, social and economic benefits for the built environment. It also has significant impacts on the microclimate and urban energy balance. In this study, we quantify the impacts of urban greening on the ground surface temper ...

IOP Science2019

Identifying carbon emission reduction potentials of BIPV in high-density cities in Southeast Asia

Shanshan Hsieh

We use life cycle analysis, urban building energy simulations and urban form generation to compare the operational carbon emissions of buildings with building-integrated photovoltaics (BIPV) in locations with different grid electricity mixes in Southeast A ...

IOP PUBLISHING LTD2019

Occupant health & well-being in green buildings: Trends and Future Directions

Dusan Licina

Expectations for high performance green buildings have been evolving over the last four decades. Green certification systems define, recognize, and demonstrate leadership in addressing building problems related to people and the environment. These systems ...

2019

Building energy certification versus user satisfaction with the indoor environment: Findings from a multi-site post-occupancy evaluation (POE) in Switzerland

Marilyne Andersen, Luisa Pastore

Voluntary green-rating systems exist in different forms worldwide to certify the sustainability of residential and commercial buildings and help national policies promote energy-efficient design practices. Despite the general assumption that sustainable bu ...

2019

Radon Investigation in 650 Energy Efficient Dwellings in Western Switzerland: Impact of Energy Renovation and Building Characteristics

Dusan Licina, Shen Yang

As part of more stringent energy targets in Switzerland, we witness the appearance of new green-certified dwellings while many existing dwellings have undergone energy efficiency measures. These measures have led to reduced energy consumption, but rarely c ...

2019

A critical comparison of methods to estimate solar rooftop photovoltaic potential in Switzerland

Jean-Louis Scartezzini, Nahid Mohajeri Pour Rayeni, Alina Ursula Rosa Walch

To understand the opportunities and challenges of large shares of solar photovoltaics (PV) in our electricity mix, various large-scale studies of PV potential on building roofs have been conducted in recent years. The use of different datasets, methods and ...

2019

Building Duration / El Portico de los Huespedes

Patricia Guaita, Raffael Baur

El Portico de los Huéspedes is a pedagogical, design-research project that tests the possibility of an open-ended architecture, where duration links between past and future. It is a work of architecture as becoming: ‘work’ meaning the structure, rhythms an ...

Association of Collegiate Schools of Architecture2019

A city-scale roof shape classification using machine learning for solar energy applications

Jean-Louis Scartezzini, Nahid Mohajeri Pour Rayeni, Dan Assouline

Solar energy deployment through PV installations in urban areas depends strongly on the shape, size, and orientation of available roofs. Here we use a machine learning approach, Support Vector Machine (SVM) classification, to classify 10,085 building roofs ...

Pergamon-Elsevier Science Ltd2018

Assessing visibility in multi-scale urban planning: A contribution to a method enhancing social acceptability of solar energy in cities

Jean-Louis Scartezzini, Christian Roecker, Josef Andreas Schuler, Maria Cristina Munari Probst, Pietro Florio

Urban areas are facing a growing deployment of solar photovoltaic and thermal technologies on building envelopes, both on roofs and on façades. An effective solar energy planning process considers social acceptance, in relation to the landscape alteration ...

2018

3D model discretization in assessing urban solar potential: the effect of grid spacing on predicted solar irradiation

Marilyne Andersen, Emmanuel Rey, Giuseppe Peronato

The increasing interest in solar energy production in urban areas requires an accurate simulation of solar irradiation on building surfaces, including vertical surfaces. However, solar potential analyses are usually conducted on 2.5D models, which are limi ...

2018

Optimization Formulations for the Design of Low Embodied Energy Structures Made from Reused Elements

Corentin Jean Dominique Fivet, Gennaro Senatore, Jan Friedrich Georg Brütting

The building sector is one of the major contributors to material resource consumption, greenhouse gas emission and waste production. Load-bearing systems have a particularly large environmental impact because of their material and energy intensive manufact ...

Springer International Publishing AG, part of Springer Nature2018

Assessing the photovoltaic potential of flat roofs: Insights from the analysis of optimised array arrangements

Marilyne Andersen, Emmanuel Rey, Sergi Aguacil Moreno, Giuseppe Peronato

PV installations on flat roofs offer a wide range of design options, which are usually neglected in urban-scale assessments as these typically assume horizontal or other fixed arrangements. In this study, we analyse the influence of common design parameter ...

Edward Ng, Square Fong, Chao Ren2018

Structural concept and design of a GFRP-polyurethane sandwich roof structure

Thomas Keller, Sonia Yanes Armas

This work presents the concept and structural design of a 1000-m2 glass fiber-reinforced polymer (GFRP) sandwich roof replacing a timber roof over an indoor swimming pool. The advantages offered by the lightweight, multifunctional GFRP-polyurethane (PUR) s ...

2016

Does roof shape matter? Solar photovoltaic (PV) integration on building roofs

Jean-Louis Scartezzini, Nahid Mohajeri Pour Rayeni, Dan Assouline

This paper focuses on roof-shape classification and solar potential for integrating photovoltaics (PV) on roofs. A machine-learning approach, Support Vector Machine (SVM), is used to classify the roof shapes in the city of Geneva. The impact of various roo ...

2016