Publication

Measurement of bi-directional photometric properties of advanced glazing based on digital imaging techniques

Jean-Louis Scartezzini, Marilyne Andersen, Christian Roecker, Laurent Jean-Jacques Michel
1999
Conference Papers

Abstract

Many daylighting applications require a precise knowledge of the transmission properties of fenestration materials, called bi-directional transmission distribution functions (BTDF), which necessitate systematic and accurate measurements. A new type of bi-directional photogoniometer, based on advanced imaging techniques, has been developed to this end; its mechanical concept, the calibration procedures and the first results are presented here.

Official source

https://infoscience.epfl.ch/entities/publication/2b6bd0bc-62fa-4458-9e51-5d10dab62d19

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Jean-Louis Scartezzini, Marilyne Andersen, Christian Roecker, Laurent Jean-Jacques Michel
1999
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/2b6bd0bc-62fa-4458-9e51-5d10dab62d19

About this result

Related concepts (30)

Daylighting

Daylighting is the practice of placing windows, skylights, other openings, and reflective surfaces so that direct or indirect sunlight can provide effective internal lighting. Particular attention is given to daylighting while designing a building when the aim is to maximize visual comfort or to reduce energy use. Energy savings can be achieved from the reduced use of artificial (electric) lighting or from passive solar heating.

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Electricity transmission congestion is a condition of the electrical grid that prevents the accepted or forecasted load schedules from being implemented due to the grid configuration and equipment performance limitations. In simple terms, congestion occurs when overloaded transmission lines are unable to carry additional electricity flow due to the risk of overheating and the transmission system operator (TSO) has to direct the providers to adjust their dispatch levels to accommodate the constraint or in an electricity market a power plant can produce electricity at a competitive price but cannot transmit the power to a willing buyer.

Transmission system operator

File:Electricity grid simple- North America.svg|thumb|380px|right|Simplified diagram of AC electricity grid from generation stations to consumers in North America rect 2 243 235 438 [[Power station]] rect 276 317 412 556 [[Transformer]] rect 412 121 781 400 [[Electric power transmission]] rect 800 0 980 165 [[Transformer]] desc bottom-left A transmission system operator (TSO) is an entity entrusted with transporting energy in the form of natural gas or electrical power on a national or regional level, using fixed infrastructure.

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Measurement of bi-directional photometric properties of advanced glazing based on digital imaging techniques

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