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Variation in Phototopic and Melanopic Lighting in Swiss Offices: A Field Study

Publications associées (35)

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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

Toward an Integrated Platform for Energy Efficient Lighting Control of Non-Residential Buildings

Jean-Louis Scartezzini, Laurent Deschamps, Ali Motamed

Net energy import of Switzerland corresponds to about 13 BCHF (petroleum, uranium, etc.) each year. According to the energy perspective 2035 defined by Swiss Federal Office Energy, the energy import should be reduced to 7.3 BCHF. Meeting the goals defined ...

vdf Hochschulverlag AG ETH Zurich2016

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Lighting has an impact on the visual as well as cognitive performance of people in non-residential buildings. Light is the most powerful time cue for resetting the circadian pacemaker and ensuring correct synchronization of the internal clock with the envi ...

2016

Ultrasensitive 1D field-effect phototransistors: CH3NH3PbI3 nanowire sensitized individual carbon nanotubes

László Forró, Endre Horvath, Richard Gaal, Bálint Náfrádi, Massimo Spina, Eric Joseph Bonvin

Field-effect phototransistors were fabricated based on individual carbon nanotubes (CNTs) sensitized by CH3NH3PbI3 nanowires (MAPbI(3)NWs). These devices represent light responsivities of R = 7.7 x 10(5) A W-1 under low-lighting conditions in the nW mm(-2) ...

Royal Soc Chemistry2016

A SENSITIVITY ANALYSIS ON GLARE DETECTION PARAMETERS

Marilyne Andersen, Jan Wienold, Mandana Sarey Khanie

Existing methods for glare-free daylighting design rely on analyses of physically based lighting simulations employing tools such as Radiance. The rendered image is an accumulation of luminance values from a fixed point of view, which creates a basis for l ...

2015

On advanced daylighting simulations and integrated performance assessment of complex fenestration systems for sunny climates

Chantal Basurto Dávila

The inclusion of daylight in buildings represents several benefits: its use not only signifies a reduction in the building energy consumption through the compensation of electric lighting, it also has positive effects in the execution of human activities. ...

EPFL2014

Recommended Practice for Daylighting Buildings

Marilyne Andersen, Joppe Willem Bos

This Recommended Practice conveniently gathers the basic data and techniques which help those concerned with the design of buildings and lighting systems understand and appreciate the opportunities and constraints inherent in daylighting. Daylighted buildi ...

IES - Illuminating Engineering Society2013

The Impact of Light Including Non-Image Forming Effects on Visual Comfort

Apiparn Borisuit

Visual comfort at workplaces has often been considered in terms of discomfort glare, luminance distribution and task visibility. Besides visual effects, the lighting environment has also impact on human physiology and behaviour. These effects of light are ...

EPFL2013

This study presents the results of a monitoring campaign aiming to further our understanding of occupants' behavior regarding the manual control of electric lighting in combination with shading control. It was performed on eight single-occupied offices in ...

Elsevier2013

Visual comfort is one of the main concerns for the integration of daylighting strategies in workspaces. Depending on the occupants’ seating position, light distribution in the field-of-view (FOV) can range from interesting highlights to visually discomfort ...

2013