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Jean-Louis Scartezzini

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Publications associées (229)

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Diurnal variations of hormonal secretion, alertness and cognition in extreme chronotypes under different lighting conditions

Jean-Louis Scartezzini, Mirjam Münch, Apiparn Borisuit, Lenka Maierova

Circadian rhythms in physiology and behavior are modulated by external factors such as light or temperature. We studied whether self-selected office lighting during the habitual waking period had a different impact on alertness, cognitive performance and h ...

Nature Publishing Group2016

How street canyon configuration control the accessibility of solar energy potential: Implication for urban design

Jean-Louis Scartezzini, Jérôme Henri Kämpf, Nahid Mohajeri Pour Rayeni, Dan Assouline, Govinda Upadhyay

While the effects of street-canyon configuration on temperature, wind speed and direction, and air quality have received much attention, its impact on solar energy potential has not been much studied. This paper focuses on two aspects of the street-canyon ...

2016

A new device for dynamic luminance mapping and glare risk assessment in buildings

Jean-Louis Scartezzini, Laurent Deschamps, Apiparn Borisuit

High dynamic range imaging has been shown to be a reliable tool to assess luminance maps and glare risk probability in buildings. However, there are some limitations of image capturing time, especially when dealing with highly dynamic and contrasted daylig ...

Spie-Int Soc Optical Engineering2012

Influence of doping in thermochromic V1−xWxO2 and V1−xAlxO2 thin films: Twice improved doping efficiency in V1−xWxO2

Jean-Louis Scartezzini, Andreas Schueler, Rosendo Sanjines, Antonio Paone

The parameters of thermal evaporation and magnetron sputtering deposition were optimized for fabrication of vanadium dioxide thin films. The O2 partial pressure during film deposition is critical for obtaining a pure VO2 phase. Thermochromic V1−xWxO2 (x = ...

Elsevier2015

Daylight Exposure and Circadian Efficiency in Office Rooms Equipped with Anidolic Daylighting Systems

Jean-Louis Scartezzini, Friedrich Linhart, Mirjam Münch

Anidolic Daylighting Systems (ADS) typically reduce the daylight flux reaching an office room‟s window section and increase it in the rear of the room. They offer interesting possibilities for the combination of comfortable daylighting and highly energy-ef ...

EPFL2009

Improving the energy sustainability of a Swiss village through building renovation and renewable energy integration

Jean-Louis Scartezzini, Silvia Coccolo, Amarasinghage Tharindu Dasun Perera, Nahid Mohajeri Pour Rayeni, Lucas Mosca

The integration of renewable energy technologies and building renovation are the two main procedures for improving energy sustainability of buildings at neighborhood scale. It is difficult, however, to optimize these procedures simultaneously. This study f ...

Elsevier2018

Matching visual impact, solar energy production potential and energy system optimization for an enhanced solar integration. An experience with a novel pre-design tool

Jean-Louis Scartezzini, Silvia Coccolo, Amarasinghage Tharindu Dasun Perera, Pietro Florio

This study focuses on developing a BIPV pre-design computational platform combining visual impact assessment, building simulation and energy system optimization. The outdoor exposed surface of a pavilion court building block is evaluated through a physiolo ...

2018

Towards realization of an Energy Internet: Designing distributed energy systems using game-theoretic approach

Jean-Louis Scartezzini

Distributed energy systems play a significant role in the integration of renewable energy technologies. The Energy Internet links a fleet of distributed energy systems to each other and with the grid. Interactions between the distributed energy systems via ...

ELSEVIER SCI LTD2021

Evening office lighting - visual comfort vs. energy efficiency vs. performance?

Jean-Louis Scartezzini, Friedrich Linhart

During the study presented in this article, we compared two highly energy-efficient lighting scenarios for evening office lighting (i.e. electric lighting that is typically used for approxiamately 2 h in the evening). The first of these lighting scenarios ...

Elsevier2011

On the integration of Non-Image-Forming effects of light on venetian blinds and electric lighting control

Jean-Louis Scartezzini, Laurent Deschamps, Ali Motamed, Marta Benedetti

Light induces important “Non-Image-Forming” (NIF) effects on human physiology and behavior, such as improvement of alertness, cognitive performance and mood. Considering these effects in office lighting can improve well-being and productivity of the occupa ...

Elsevier2017

Multi-Stage Integration of Renewable Energy Technologies into Standalone Energy Systems

Jean-Louis Scartezzini, Amarasinghage Tharindu Dasun Perera, Nikolaos Iliadis

Renewable energy integration into energy systems have been widely discussed in recent literature. Stand-alone micro-grids can play a vital role in this context. However, design optimization of such hybrid energy systems is a challenging task. Most of the r ...

IEEE2018

Measurement of the impact of buildings on meteorological variables

Jean-Louis Scartezzini, Dasaraden Mauree, Laurent Deschamps, Pierre Loesch, Paul Becquelin

A meteorological tower was installed on the EPFL campus in a semi-urban environment for the high frequency monitoring of the micro-climate. This project was done in the larger framework of the measurement of the meteorological profiles and also a quantific ...

2017

On-site monitoring and subjective comfort assessment of a sun shadings and electric lighting controller based on novel High Dynamic Range vision sensors

Jean-Louis Scartezzini, Laurent Deschamps, Ali Motamed

Electric lighting is responsible of about one fifth of the electricity demand of buildings in Switzerland. Therein, integrated control of sun shadings and artificial lighting can mitigate the electricity demand while maintaining the user comfort and perfor ...

Elsevier2017

Efficient lighting strategies for office rooms in tropical climates

Jean-Louis Scartezzini, Friedrich Linhart

The “Green Lighting” research project, initiated at the Solar Energy and Building Physics Laboratory (LESO-PB) of the Swiss Federal Institute of Technology in Lausanne (EPFL), is aiming at an energy efficient integration of advanced daylighting and electri ...

2007

Overheating reduction of a cold formed steel-framed building using a hybrid evolutionary algorithm to optimize different PCM solutions

Jean-Louis Scartezzini, Antonio José Pereira de Figueiredo, Jérôme Henri Kämpf

Cold formed steel-framed constructions have been strongly disseminated with particular emphasis on the residential sector due to their fast execution, quality control and final cost. However, this construction typology presents a weakness associated with a ...

vdf Hochschulverlag AG ETH Zurich2016

Bright Light Delights: Effects of Daily Light Exposure on Emotions, Rest-activity Cycles, Sleep and Melatonin Secretion in Severely Demented Patients

Jean-Louis Scartezzini

Objective: We tested whether the effects of a dynamic lighting system are superior to conventional lighting on emotions, agitation behaviour, quality of life, melatonin secretion and circadian restactivity cycles in severely demented patients. As a compari ...

Bentham Science Publ Ltd2017

Combining Fourier Analysis And Machine Learning To Estimate The Shallow-Ground Thermal Diffusivity In Switzerland

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

We propose a methodology combining physical modelling and machine learning (ML) to estimate the apparent ground thermal diffusivity at the scale of a country. Based on ground temperature time series at different depths, we estimate the diffusivity at 49 Sw ...

IEEE2018

Climate responsive strategies of traditional dwellings located in an ancient village in hot summer and cold winter region of China

Jean-Louis Scartezzini, Vahid Moussavi Nik, Shaoqing Gou

Global warming and energy shortage have aroused a great interest in climate responsive strategies of vernacular dwellings during recent years. This study focuses on a qualitative analysis of ancient dwellings located in the village of Xinye, in the hot sum ...

Elsevier2015

Application des méthodes stochastiques à l'étude des systèmes de captage de l'énergie solaire

Jean-Louis Scartezzini

EPFL1986

Solar Energy and Buildings Physics Laboratory - Activity Report 2014

Jean-Louis Scartezzini

2015