DANIA ABDEL-AZIZ, ESRA'A A. AL-QUDAH, HADEEL Y. YASIEN and RIZEQ HAMAD

This research discussed the importance of daylight as one of the major factors in sustainable architectural design and highlights the significant role of daylight in energy consumption reduction and enhancement of human health and performance due to the unique characteristics of daylight such as; spectral composition, quality, and variability which has demonstrated to make it a preferred source of lighting. A physical 1/20 scale testing model is built in real sky design conditions to evaluate the feasibility of utilizing light pipes to enhance daylight in deep plan studio and to reduce the need for electric lighting. Using the model in outdoor day-lighting condition helped to evaluate the daylight performance of different mirrored light pipe prototypes. The study provides insight about light pipes parameters and evaluated them in order to understand the relationship between those parameters and the amount of illumination delivered.