Dr Ahmad Eltaweel's Outputs (15)

Parametric control of multiple blinds to enhance daylighting performance in the dome building: Case study of a mosque building in Saudi Arabia (2023)
Journal Article
Alkhater, M., Alsukkar, M., Eltaweel, A., & Su, Y. (2023). Parametric control of multiple blinds to enhance daylighting performance in the dome building: Case study of a mosque building in Saudi Arabia. Solar Energy, 266, Article 112180. https://doi.org/10.1016/j.solener.2023.112180

Clerestory windows encircling the dome are a common feature in mosque architecture. They serve the purpose of allowing daylight to penetrate the spacious interior from all directions through smaller windows compared to side-lit windows. However, main... Read More about Parametric control of multiple blinds to enhance daylighting performance in the dome building: Case study of a mosque building in Saudi Arabia.

Optimising Daylight and Ventilation Performance: A Building Envelope Design Methodology (2023)
Journal Article
Abdollahi Rizi, R., Sangin, H., Haghighatnejad Chobari, K., Eltaweel, A., & Phipps, R. (2023). Optimising Daylight and Ventilation Performance: A Building Envelope Design Methodology. Buildings, 13(11), Article 2840. https://doi.org/10.3390/buildings13112840

The future of building envelope design lies in smart adaptation. The current literature overlooks the crucial integration of airflow, ventilation and daylighting in adaptive façade design. Moreover, it neglects the occupants’ locations, activities an... Read More about Optimising Daylight and Ventilation Performance: A Building Envelope Design Methodology.

A parametric thermal analysis of refugees’ shelters using incremental design and affordable construction material (2023)
Journal Article
Eltaweel, A., Saint, R., D'Amico, B., & Pomponi, F. (2023). A parametric thermal analysis of refugees’ shelters using incremental design and affordable construction material. Energy and Buildings, 290, Article 113110. https://doi.org/10.1016/j.enbuild.2023.113110

The number of people displaced by natural and human made events reached 80 million in 2020 based on the latest report by UNHCR. Emergency housing is often initially in the form of tents, which are then replaced by a more robust solution. One frequent... Read More about A parametric thermal analysis of refugees’ shelters using incremental design and affordable construction material.

Sandbag housing construction in South Africa: life cycle assessment and operational energy modelling (2023)
Journal Article
Saint, R., Eltaweel, A., Adetooto, J., Pomponi, F., & Windapo, A. (2023). Sandbag housing construction in South Africa: life cycle assessment and operational energy modelling. International Journal of Life Cycle Assessment, 28(8), 1003-1018. https://doi.org/10.1007/s11367-023-02170-0

Purpose
Adequate and affordable housing is essential in tackling poverty and improving living and indoor health conditions for lower and medium-income families, in both developed and developing nations. However, there is a lack of affordable housing... Read More about Sandbag housing construction in South Africa: life cycle assessment and operational energy modelling.

Integrated Kinetic Fins for Western Facades in Territories with Low Solar Altitudes (2023)
Journal Article
Fahmy, M. K., Eltaweel, A., Rizi, R. A., & Imani, N. (2023). Integrated Kinetic Fins for Western Facades in Territories with Low Solar Altitudes. Buildings, 13(3), Article 782. https://doi.org/10.3390/buildings13030782

Insufficient daylighting can negatively affect working quality and productivity and increase lighting energy consumption in buildings. Particularly, the western orientation has a non-uniform daylighting distribution, especially at the zone next to th... Read More about Integrated Kinetic Fins for Western Facades in Territories with Low Solar Altitudes.

Narrative modelling: A comparison of high and low mass dwelling solutions in Afghanistan and Peru (2022)
Journal Article
Eltaweel, A., Kuchai, N., Albadra, D., Coley, D., Hart, J., Acevedo-De-los-Ríos, A., & Rondinel-Oviedo, D. R. (2023). Narrative modelling: A comparison of high and low mass dwelling solutions in Afghanistan and Peru. Building Services Engineering Research and Technology, 44(1), 5-24. https://doi.org/10.1177/01436244221125720

Displaced populations are housed in various constructions, including lightweight predesigned structures. Theoretically, self-built heavyweight structures should ensure better temperatures and be closer to cultural norms. To examine this directly for... Read More about Narrative modelling: A comparison of high and low mass dwelling solutions in Afghanistan and Peru.

Daylighting performance improvements using of split louver with parametrically incremental slat angle control (2022)
Journal Article
Alsukkar, M., Hu, M., Eltaweel, A., & Su, Y. (2022). Daylighting performance improvements using of split louver with parametrically incremental slat angle control. Energy and Buildings, 274, Article 112444. https://doi.org/10.1016/j.enbuild.2022.112444

Different shading device systems and control strategies can be employed in different parts of a window system to perform different functions, particularly for fully glazed façades. A split louver with various improvements was proposed in this study a... Read More about Daylighting performance improvements using of split louver with parametrically incremental slat angle control.

A novel automated louver with parametrically-angled reflective slats; design evaluation for better practicality and daylighting uniformity (2021)
Journal Article
Eltaweel, A., Su, Y., Mandour, M. A., & Elrawy, O. O. (2021). A novel automated louver with parametrically-angled reflective slats; design evaluation for better practicality and daylighting uniformity. Journal of Building Engineering, 42, Article 102438. https://doi.org/10.1016/j.jobe.2021.102438

Daylighting harvest systems have been improved in recent decades. They have been dramatically used in green buildings to achieve a more sustainable living environment. However, their cost, sizes, shapes, materials, accuracy and control methods are co... Read More about A novel automated louver with parametrically-angled reflective slats; design evaluation for better practicality and daylighting uniformity.

An automated louver with innovative parametrically-angled reflective slats: Prototyping and validation via using parametric control in Grasshopper along with Arduino board (2020)
Journal Article
Eltaweel, A., Su, Y., Hafez, M., & Eltaweel, W. (2021). An automated louver with innovative parametrically-angled reflective slats: Prototyping and validation via using parametric control in Grasshopper along with Arduino board. Energy and Buildings, 231, Article 110614. https://doi.org/10.1016/j.enbuild.2020.110614

Energy-saving potential in lighting is significant in office buildings due to their primary occupancy during the daytime. This potential can be realised with an advanced daylighting system being particularly able to deliver more uniform and steadier... Read More about An automated louver with innovative parametrically-angled reflective slats: Prototyping and validation via using parametric control in Grasshopper along with Arduino board.

A user detective adaptive facade towards improving visual and thermal comfort (2020)
Journal Article
Rizi, R. A., & Eltaweel, A. (2021). A user detective adaptive facade towards improving visual and thermal comfort. Journal of Building Engineering, 33, Article 101554. https://doi.org/10.1016/j.jobe.2020.101554

Adaptive skins and, in particular, adaptive façade play a significant role in the future of environmentally friendly spaces. Meanwhile, occupants' involvement in the process of adaptive façade design and operation is essential to guarantee its useful... Read More about A user detective adaptive facade towards improving visual and thermal comfort.

Advanced parametric louver systems with bi-axis and two-layer designs for an extensive daylighting coverage in a deep-plan office room (2020)
Journal Article
Eltaweel, A., Su, Y., Lv, Q., & Lv, H. (2020). Advanced parametric louver systems with bi-axis and two-layer designs for an extensive daylighting coverage in a deep-plan office room. Solar Energy, 206, 596-613. https://doi.org/10.1016/j.solener.2020.06.035

Advanced daylighting systems have become commonly used in modern architecture for a more sustainable environment. The mainstream of recent daylighting studies focuses not only on the quantity but also the quality of daylight delivered to an interior... Read More about Advanced parametric louver systems with bi-axis and two-layer designs for an extensive daylighting coverage in a deep-plan office room.

Evaluation of Suitability of a Parametrically Controlled Louvers for Various Orientations throughout a Year Comparing to an Existing Case (2017)
Journal Article
Eltaweel, A., & Su, Y. (2017). Evaluation of Suitability of a Parametrically Controlled Louvers for Various Orientations throughout a Year Comparing to an Existing Case. Buildings, 7(4), Article 109. https://doi.org/10.3390/buildings7040109

Nowadays, daylighting systems and shading devices are controlled automatically to achieve their optimum benefits. For more comprehensive accuracy, parametric control was recently used to manage complex parameters with more accuracy. Such a system was... Read More about Evaluation of Suitability of a Parametrically Controlled Louvers for Various Orientations throughout a Year Comparing to an Existing Case.

Using integrated parametric control to achieve better daylighting uniformity in an office room: A multi-Step comparison study (2017)
Journal Article
Eltaweel, A., & Yuehong, S. (2017). Using integrated parametric control to achieve better daylighting uniformity in an office room: A multi-Step comparison study. Energy and Buildings, 152, 137-148. https://doi.org/10.1016/j.enbuild.2017.07.033

In addition to windows, louvers are the most common architectural elements widely used in office buildings to protect them from excessive daylight and improve daylight penetration as well. Advanced glazing, window blinds, other fenestration systems a... Read More about Using integrated parametric control to achieve better daylighting uniformity in an office room: A multi-Step comparison study.

Parametric design and daylighting: A literature review (2017)
Journal Article
Eltaweel, A., & SU, Y. (2017). Parametric design and daylighting: A literature review. Renewable and Sustainable Energy Reviews, 73, 1086-1103. https://doi.org/10.1016/j.rser.2017.02.011

In the history, architecture was exploited to the human being to protect him from unsteady environmental conditions. In the past centuries, architecture was pioneer art which has special features such as; simplicity, organization, clear style, accura... Read More about Parametric design and daylighting: A literature review.

Controlling venetian blinds based on parametric design; via implementing Grasshopper’s plugins: A case study of an office building in Cairo (2017)
Journal Article
Eltaweel, A., & Su, Y. (2017). Controlling venetian blinds based on parametric design; via implementing Grasshopper’s plugins: A case study of an office building in Cairo. Energy and Buildings, 139, 31-43. https://doi.org/10.1016/j.enbuild.2016.12.075

Venetian blinds are common type of shading devices and are increasingly operated automatically to overcome the limitations of using manual operation. Automated blinds need to be controlled to maximize benefits of daylight on the aspects of redirectin... Read More about Controlling venetian blinds based on parametric design; via implementing Grasshopper’s plugins: A case study of an office building in Cairo.