<![CDATA[Daylighting is the use of natural light to provide illumination in buildings during the day. This reflector tunnel modul is designed to transmit natural light (direct sun rays and sky light) to provide illumination in the building. This modul consist of 4 components, receiver, transmitter, elbow beam deflector and emerging component. 2 mm glass mirror are laminated inside all squared profile tunnel, reflecting and transmitting incident natural rays and emerging them into the room. This modul uses common glass mirror. The receiver is covered by doom which function as light collector, particularly for rays come at the wide angle. The emerging component is covered by diffuse flat glass for reducing glare and obtaining more comfortable light. Average light track inside modul is about 1.125 m. This light guide modul is installed in the chamber during performance tests are carried out. Performance tests show that the average light attenuation of 0.77 dB/m is resulted. Some problems still remain tobe solved to apply this modul commercially, such as : replacing glass mirror by metal substances, technical and cost of fabrication, maintenace and installation matters, and estetical values that must be added.]]>
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