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> Luminaires / Ventilation properties
Lighting heatAir flow capacityVentilation numberPressure drop
Luminaires with air exhausts (ventilated luminaires) perform lighting and ventilation tasks in air-conditioned or ventilated rooms. One significant benefit of this type of luminaire is a reduction in a room’s cooling load. The lighting heat generated inside the luminaires is largely dissipated along with the extraction volume flow without even entering the surrounding room in the first place. This facilitates either a reduction in required temperature difference between room and supply air, meaning cooling capacity (cooling load) or a reduction in supply air volume. In both cases, however, the amount of energy required for cooling is reduced.
Regarding rational energy use, lighting, air-conditioning and acoustics should be coordinated diligently from early planning stages. The basis for this are exact lighting, ventilation and acoustic design data. In case of TRILUX luminaires suitable for use in air-conditioning systems, this data is measured and documented in the ventilation and acoustics laboratory according to recognised rules of engineering.
Figure 3.217: Ventilation measurement in the TRILUX laboratory
Acoustic measurements Lighting heat
Lighting heat Air flow capacity Ventilation number Pressure drop
Introduction Visual needs Need for orientation Non visual needs
Guidelines Overview Work places Visual task area Surrounding area Illuminance Luminance distribution Limitation of glare Lighting direction, modelling Aspects of colour Flicker and stroboscopic effects Daylight
Maintenance Factor Light and safety at work Light and non-visual effects Light and economy Light and environment Lighting design Lighting measurement Emergency lighting
Lighting of traffic zones and geneal areas in buildings Lighting of industrial activities and crafts Lighting of offices and VDU workstations Lighting of design and CAD offices Lighting of sports facilities Lighting of health care facilities Lighting of geriatric care facilities and nursing homes Lighting of public areas Lighting of salesrooms Lighting of educational facilities Lighting of traffic areas Lighting of car parks Ligthing of further indoor spaces
Luminaires The enhanced concept of quality Photometric classification Photometric properties Photo biology safety Mounting and electrical connection Luminaire labelling Luminaire operation LED luminaire operation Operation of FL luminaires Electrical safety Fire protection Electromagnetic safety Mechanical safety Chemical and miscellaneous impact Acoustic properties Ventilation properties
Firehazardous locations Room with bathtubs and showers Swimming baths Exterior installations Agricultural and gardening plant locations Food industry Clean rooms Requirements on mediacal rooms Emergency light installations
Luminaire selection chart
Light management application and function Presence detection Daylight-dependent regulation Interfaces Building management, KNX and other bus systems
Light sources types Characteristics of light sources
ABC, DF, G, ILM, NO, P, QRSUV, W
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