An Analysis of the Lighting and Energy Saving Capabilities of Tubular Day lighting Devices (TDDs) “A Case Study of a Laboratory in Cairo, Egypt” | ||||
| International Journal of Architectural Engineering and Urban Research | ||||
| Volume 5, Issue 2, December 2022, Page 312-327 PDF (1.74 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ijaeur.2022.282281 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| Abdelrahman Marouf Elsayed1; Tahany Ahmed Abd El-Mawgood2 | ||||
| 1Teacher of Architecture at October high institute for Engineering and Technology | ||||
| 2Ph.D. Researcher- Department of Architecture, faculty of Engineering, Cairo University - Assistant Lecturer October high institute for Engineering & Technology- 6 October | ||||
| Abstract | ||||
| All types of buildings require lighting and consume a lot of electricity. Tubular daylighting devices (TDD) can be an alternative, A sun tunnel is an innovative yet cost-effective way of allowing and promoting natural light. Designed especially for those areas of the house that can’t reap the benefits of natural sunlight, (TDD’s) also influences the thermal comfort in the spaces, as it limits the heat gain in the spaces that feed them with natural light. This research provides a method to enhance Energy Use Intensity (EUI) in a laboratory room through minimizing artificial light usage and thermal heat gain Accompanied by natural light minimizing energy use by 18% could be beneficial at laboratories in universities building as they are one of the main energy consumers between other spaces enhancing thermal performance of indoor spaces as well. This study indicates the significant potential for energy savings and daylighting advantages of employing the planned lighting-heating coupled TDDs system in buildings. | ||||
| Keywords | ||||
| Tubular Day Light Devices (TDDs); Energy Efficiency; Educational Spaces; Laboratories; Spatial day lighting Autonomy (SDA) | ||||
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