daylight factor


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factor, daylight

The ratio of daylight illuminance received at a given point inside a room to the simultaneous illuminance on a horizontal plane outside exposed to an unobstructed sky. It is usually expressed as a percentage, 5% or more being considered a well-lit room.
References in periodicals archive ?
2432-7 of the public procurement code and its appendix 20 are the following: ESQ - APS - APD - PRO - ACT - partial exe (limited to production of DPGF with quantities filled in for all lots) - VISA - DET - AOR - SSI - TDS - FLJ (Daylight Factor ) - CEM (overall cost and operating cost).
Project Management Missions For The Construction Of A 3rd School Group In Beaucouz
Daylight Factor (overcast sky) versus Daylight Availability (clear sky) in Computer-based Daylighting Simulations.
El patio de luz como elemento de control luminico al interior de los espacios arquitectonicos, caso de estudio: La Casa Batllo/The light well as element of luminous control inside the architectural spaces, case of study: Batllo House
A pesar de la latente necesidad de actualizar los valores de Daylight Factor en funcion de las condiciones de cielo (Mardaljevic, 2013), el concurso determino valores ideales de esta metrica, similares a los utilizados en otras latitudes con cielos predominantemente nublados.
Estrategias de iluminacion natural en el diseno de viviendas economicas: el caso Mihouse, Solar Decathlon 2015
This paper investigates to adequate the daylighting performance in terms of illuminance level (lux) and daylight factor (DF) in low cost high-rise residential building in tropical area.
PARAMETRIC STUDIES ON BUILDING SEPARATION OF DAYLIGHT PERFORMANCE IN OBSTRUCTED LOW COST HIGH-RISE RESIDENTIAL BUILDING THROUGH COMPUTER SIMULATION TECHNIQUES IN KUALA LUMPUR, MALAYSIA
The most popular and most used formula to measure and analyze day lighting performance in buildings is the percentage daylight factor [1],[2]&[3].
A method to determine a single point percentage daylight factor (%DF) value from field work data
The objective of study is to analysis the influence of light shelf device on the illuminance and daylight factor levels.
Optimal of daylighting performance with shading device via computer simulation for office building in Malaysia
In this study, daylight availability was predicted using parameters such as daylight factor, daily radiant energy, and sunlight patterns.
Paradigm in sustainability and environmental design: lighting utilization contributing to surplus-energy office buildings
For example, "for many years the yardstick metric of the Daylight Factor (DF) was the benchmark metric.
Metrics
The most common expression of this would be the daylight factor. (See USGBC LEED for New Construction Credit 8.1 Daylight & Views: Daylight 75% of Spaces, Path 2: Prescriptive for more information.) Additional considerations are user controls that allow adjustments to the amount of light admitted to the space.
Principles and impacts of daylighting: the benefits include human factors as well as energy efficiency
These included all teaching spaces to have a 2% daylight factor as well as the brightly coloured facade windows to create natural ventilation.
Coating is academic
And, with the importance of light and the extent of its power to change moods and environments upper most in my mind, I may well continue to venture into the arena of ballast factor, daylight factor, cosine law and even units of luminance.
Property: Hooked on art of providing lighting; INTERIORS
Detail of the mission elements entrusted to the prime contractor: DIAG / ESQ / APS / APD / PRO / ACT / partial EXE (limited to the production of DPGF with quantities filled for all the batches) / VISA / DET / AOR / SSI / TDS / FLJ (daylight factor); the SYN mission is required as a mandatory variant.
Project Management Mission For The Restructuring And Extension Of The European Gymnasium - Monplaisir District In Angers
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