skip to main content

DAYLIGHT OPTIMIZATION IN A CAFÉ THROUGH WINDOW TO WALL RATIO AND ILLUMINANCE ANALYSIS: A CASE STUDY OF BREW AND CHEW CAFÉ IN BANDUNG, INDONESIA

*Yuninda Mukty Ardyanny  -  Departement of Architecture, Universitas Multimedia Nusantara, Indonesia

Citation Format:
Abstract

Daylighting is essential for enhancing the lighting ambiance and ensuring occupants' visual comfort in a café. Nowadays, a café is not only a leisure destination, but also becomes a preferred place for people working remotely. Consequently, the necessity for proper daylighting in a café becomes crucial to achieve customers' visual comfort. Regarding daylighting, windows play a pivotal role in bringing natural light into a building. Thus, the Window-to-Wall Ratio (WWR) percentage has a significant impact on the illuminance level within the building. To prevent visual discomfort, the Leadership in Energy and Environmental Design (LEED) v4.1 Standard for daylight measurement will serve as the parameter to achieve an acceptable level of illuminance, ranging between 300 lux and 3,000 lux at both 9 AM and 3 PM. The objective of this research is to determine the optimal WWR percentage in a case study café to achieve an acceptable illuminance level based on the LEED v4.1 standard, using Velux as the simulation software. The research methodology involves measuring the existing illuminance level of the case study café using a lux meter to validate the building simulation results. Subsequently, the 3D model of the café will be simulated in Velux with varying Window-to-Wall Ratios (WWR) to identify the optimal WWR that aligns with the LEED v4.1 standard for daylight measurement.

Fulltext View|Download
Keywords: Window to Wall Ratio, Daylighting, Illuminance Level, Daylight Simulation, Café

Article Metrics:

  1. Alrubaih, M.S., Zain, M.F.M., Alghoul, M.A., Ibrahim, N.L.N., Shamaeri, M.A., Elayeb, Omkalthum (2013) ‘Research and Development on Aspects of Daylighting Fundamentals’, Journal of Renewable and Sustainable Energy Reviews, Vol. 21, pp.494–505
  2. Council, U.S. Green Building, (2019) ‘LEED v4.1 for building design and construction’, https://www.rccd.edu/admin/bfs/fpd/Documents/planning/LEED_BDG.pdf
  3. Council, Indonesia Green Building, (2018) ‘Technical Manual Green Building Rating Tool for New Building V1.2’, Green Building Council Indonesia
  4. Fitria, D., (2021) ‘The Importance of Iterative Process in Façade Design Optimization for a Green Office Building in South Tangerang City’, IOP Conference Series: Earth Environment Science 907 012013
  5. Goia, F., (2016) ‘The Optimal Window-To-Wall Ratio in Office Buildings in Different European Climates and The Implications on Total Energy Saving Potential’, Journal of Solar Energy, Vol. 132, pp.467–492
  6. Husini, E.M., Yazit, R., Yussuf, A.A., (2021) ‘The Occupants' Visual Acuity and Performance: Methods for Measuring Occupants' Visual and Writing Performances in Daylight Spaces’, Journal of Building and Environmental Engineering, Vol. 2, pp.45–52
  7. Husini, E.M, Arabi, F., Kandar, M. (2011). ‘Post Occupancy Evaluation of the Preferred Luminous Environment and Occupants’ Satisfaction for Office Buildings in Malaysia: A Survey’, International Journal of Sustainable Development, Vol. 2, pp.47–58
  8. Jacquier, C., Giboreau, A. (2012) ‘Customers' Lighting Needs and Wants at the Restaurant’, The 30th EuroCHRIE Annual Conference
  9. Karyono, K., Abdullah, B.M., Cotgrave, A.J., Bras, A., (2022). ‘Human-Centred Approach in Industry 4.0: Lighting Comfort in the Workplace.’ Advances in Manufacturing Processes, Intelligent Methods, and Systems in Production Engineering, (pp.533-546). DOI: 10.1007/978-3-030-90532-3_40
  10. Plympton, P., Conway, S., Epstein K., (2000) ‘Daylighting in Schools: Improving Student Performance and Health at a Price Schools can Afford.’, NREL Report CP-550-28059, Golden, CO, National Renewable Energy Laboratory
  11. Shaeri, J., Habibi, A., Yaghoubi, M., Chokhachian, A. (2019) ‘The Optimum Window-to-Wall Ratio in Office Buildings for Hot-Humid, Hot-Dry, and Cold Climates in Iran’, Journal of Environment, Vol. 6, pp.1–16
  12. Sharaf, Firas M. (2014) ‘Daylighting: An Alternative Approach to Lighting Buildings’, Journal of American Science, Vol. 10, pp.1–5
  13. Tabadkani, A., Roetzel, A., Li, H.X., Tsangrassoulis, A., (2021) ‘Daylight in Buildings and Visual Comfort Evaluation: The Advantages and Limitations’, Journal of Daylighting, Vol. 121, pp.181–203
  14. Trisna, N.M., Utami, N.K. (2020) ‘Remote Working Phenomenon in Cafe: An Ambient Environment Study’, Proceeding International Conference on Information Technology, Multimedia, Architecture, Design, and E-Business. Vol. 1, pp.110–118
  15. Wardono, P., Maharani, Y. (2019) ‘Analysis of Customers’ Visual Comfort Perception and Mood for Cafés using Colored Glass Curtain’, Journal of Visual Arts and Design, Vol. 11, pp.45–58

Last update:

No citation recorded.

Last update: 2024-06-12 15:45:35

No citation recorded.