| id |
ecaade2024_238 |
| authors |
Mace, Carlotta; Danak, Khyati; Jacobson, Morgan; Correa, David |
| year |
2024 |
| title |
Aspen Leaves as a Biological Role Model for a Triboelectric Wind Energy Harvesting Building Facade System |
| doi |
https://doi.org/10.52842/conf.ecaade.2024.2.597
|
| source |
Kontovourkis, O, Phocas, MC and Wurzer, G (eds.), Data-Driven Intelligence - Proceedings of the 42nd Conference on Education and Research in Computer Aided Architectural Design in Europe (eCAADe 2024), Nicosia, 11-13 September 2024, Volume 2, pp. 597–606 |
| summary |
Biological role models are a growing focus of research in wind energy harvesting technology. Rotational elements (blades)are well known but there have been limited studies looking at galloping instability (fluttering effect) for electricity harvesting via the triboelectric effect. Some previous studies have demonstrated the potential of galloping blades, or triboelectricity, by coupling with piezoelectric systems. However, there are not any known studies that have studied the potential architectural implementation of these systems in building applications. Here, a bio-inspired mechanism is presented that combines bio-mechanical properties observed in the distinctive fluttering of the Aspen (Populus Tremuloides) leaves, to test the potential for adaptive building facade systems that can produce electricity in response to the low-speed winds found in urban environments. The research outlines the principles behind the distinctive fluttering pattern of the Aspen leaf, also known as torsional galloping, and shows a 3DP strategy to create functional models that can replicate its motion. The bio-inspired actuator was subsequently coupled with a proof-of-concept triboelectric set-up to evaluate its potential for energy harvesting. Lastly, a speculative design for an urban building application was proposed to assess the technical and aesthetic implications of these types of systems. We hope that this initial investigation can contribute towards the future development of smart, adaptable, and sustainable integrative façade systems that will use local environmental conditions to harvest energy and therefore reduce reliance on non-renewable energy. |
| keywords |
Aspen, Triboelectricity, Energy Harvesting, Bio-inspired Actuator, Torsional Galloping |
| series |
eCAADe |
| email |
|
| full text |
 file.pdf (1,236,060 bytes) |
| references |
Content-type: text/plain
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| last changed |
2024/11/17 22:05 |
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