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lec8 - Visual comfort Key aspects of daylit environment...

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Visual comfort ± Key aspects of daylit environment Visual performance Physiological conditions Visual quality
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Visual comfort ± Key aspects of daylit environment ± Objectives Harmonious luminance distribution (no strong contrasts) Good color rendering (continuous spectrum, appropriate color T°) Adequate illuminance level No disturbing reflections No direct glare
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Visual comfort ± Key aspects of daylit environment ± Objectives ± Recommended illuminances Illuminance [lux] Type of space and function Min Mid Max Circulation, corridors, theatres, concert halls 50 100 200 Workshops, retail centres 200 300 400 Schools, offices, usual tasks, reading, writing, computer work, … 300 400 500 Delicate work, drawing, technical tasks, ... 500 750 1000 Precision workshops, clockwork, color control, visual quality control, … 1000 to 5000
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Visual comfort ± Visual adaptation 1 /m 2 1 j /m 2 10 100 1000 0.01 Adaption Level cd 0.1 10 100 Glare Black Shadow Ob ect Luminance cd 1000 10000 100000 Useful Range of Discrimination Figure by MIT OCW.
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Visual comfort ± Visual adaptation ±
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