1 Light and Sound Tobias Havinga Marcel Smit Massimo Gatti Samuele Favaro What is light? • The light is composed from electromagnetic waves. • The electromagnetic radiation that we see is called visible light. It is the base for every life proces on the earth. Visible light 2 Sustainable Light in Holland • Solartube • Solarlamp • Economic lamp 3 4 Solartube •It’s naturaly light. •You paid alone for the purchase. •The daylightkoker can be used for different corners. The Solarlamp •It’s not expensive • It’s very sustainable because it has a PVsystem to produce electricity directly from the sun 5 Economic lamp • It’s as cheap as a normal lamp. • It lasts much longer than a normal lamp. 6 Sustainable Light in Italy • Sidelighting • Toplighting 7 8 Sidelighting The vertical windows are the most used. They supply: • daylight • outside sight • easy ventilation The windows however have a limit: the sunlight isn’t distributed uniformly in the room 9 Toplighting Rooflight is used to illuminate the room by using the sunlight. Compared to vertical windows, they offer some advantages: • They are less frequently obstructed by trees and other buildings • They spread uniformly the light into the room 10 What is Sound? • The sound is an elastic wave • The sound is measured by the decibelmeter 11 Differd wall between Italy & Holland Italy: Holland: Double wall constituted from: • 2 partions in brick 8x45x25cm with vertical holes; • Double plaster of cm 1,5 for part; • Panels Rockwool 211, tickness 5 cm; • Total tickness of the wall cm 25 about. Double wall constituted from: • Outside wall: 100 mm • Air: 30 mm • Isolation: 90 mm • Inside wall: 100 mm • Plaster: 12 mm 12 In Van Hall institute Sound ceilings Italy Holland: • She don’t have lowered ceilings. • Low ceilings, so there isn’t echo. • The wall is made of concrete blocks. The End
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