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Content archived on 2024-04-16

Dynamic characteristics of daylight data and of daylight design in buildings

Objective

Measurement of outside daylight characteristics which will serve as an input to establish the performance of a number of innovative daylight systems with the help of computer simulation models.

Outside daylight measurements will be carried out every 5 minutes, by each group using a JOULE CLASS STATION (Faster measurements are possible at CSTB). The associated groups will process weather data to produce a data base of daylight and sunlight availability.

Computer models for environmental modelling of buildings will be modified to provide information on the relation between outdoor and indoor daylight: CSTB intends to develop control strategies for shading and electric lighting; ENTPE-LASH will characterize daylight systems with the GENELUX code; LNEC will identify parameters which influence dynamic characteristics of daylight in buildings by measuring illuminance in physical models of buildings using the simulation of real sky. The following daylight systems will be analyzed: single and double side windows, clerestories, roof apertures, light-shelves, light-walls or pipes, atria, prismatic glazing and mirrored louvres and integration of externally reflected sunlight. Also human behaviour will be taken into account.

Topic(s)

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Call for proposal

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Coordinator

Centre Scientifique et Technique du Bâtiment (CSTB)
EU contribution
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Address
11 rue Henri Picherit
44300 Nantes
France

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Total cost
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Participants (4)