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Optimising daylight provision and artificial lighting
16.08.2012

Better light in interior spaces

Living in sufficiently lit spaces is an important factor for the wellbeing of people. Good lighting makes it easy to read and fosters a well-balanced day and night rhythm. Based on the example of schools and care homes, it was investigated how optimised lighting concepts and new lamp, luminaire and ballast technology can help to improve the light provided. The new BINE-Projektinfo brochure "Placing rooms in the right light" (09/2012) presents the results of various investigations. A main aim of the researchers was to lower the energy consumed for lighting purposes.

A common feature of many school buildings and care homes is the ongoing backlog of refurbishment measures for maintaining and equipping the buildings. Inefficient lighting systems that consume considerable energy despite providing an insufficient light quality are one aspect of this problem. For the school buildings, a school in Berlin with an unusually high energy consumption was selected. By utilising new lamps, a daylight-dependent control system, presence detectors and additional blackboard lighting, the researchers succeeded in reducing the electricity consumption for the lighting by two thirds relative to the old system. Using newly developed decentralised measurement technology, the researchers monitored eight classrooms for a year. The results of the school project will now be incorporated in guidelines being drawn up by the DIN Lighting Technology Standards Committee (FNL) and the Deutsche Lichttechnische Gesellschaft (LiTG).

Various tests and resident surveys were carried out after refurbishing the lighting technology in nursing homes for the elderly. The focus was on the ability to read different sized fonts with different lighting. A further, more comprehensive research project is currently underway. It is planned to incorporate its results in model guidelines for refurbishing this type of building. The BINE-Projektinfo brochure "Placing rooms in the right light" (09/2012), which can be obtained free of charge from the BINE Information Service at FIZ Karlsruhe, is available online at www.bine.info.

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Better light in interior spaces

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