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Article

In-Depth Assessment and Optimized Actuation Method of a Novel Solar-Driven Thermomechanical Actuator via Shape Memory Alloy

Department of Mechanical and Energy Engineering, College of Engineering, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
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Author to whom correspondence should be addressed.
Academic Editors: Yong Shuai and Bachirou Guene Lougou
Energies 2022, 15(10), 3807; https://doi.org/10.3390/en15103807
Received: 20 April 2022 / Revised: 12 May 2022 / Accepted: 18 May 2022 / Published: 22 May 2022
(This article belongs to the Special Issue Advances in Solar Energy and Materials)
Currently, energy demand is more significant than ever due to population growth and advances in recent technologies. In order to supply more energy while maintaining a healthy environment, renewable energy resources are employed. This paper proposes a novel solar-driven shape memory alloy thermomechanical actuator as an eco-friendly solution for solar thermal applications. The proposed actuator was assessed numerically and experimentally. The numerical tests showed that the designed actuation mechanism’s inner temperature has a minimum variation per day of about 14 °C and a temperature variation of 19 °C for most days of the year, which allows for proper activation and deactivation of the actuator. As for the experimental tests, the presented actuation mechanism achieved a bi-directional force of over 150 N, where the inner temperatures of the actuator were recorded at about 70.5 °C while pushing forces and 28.9 °C while pulling forces. Additionally, a displacement of about 127 mm was achieved as the internal temperature of the actuator reached 70.4 °C. The work presented adds to the body of knowledge of a novel solar-based self-driven actuation mechanism that facilitates various applications for solar thermal systems. View Full-Text
Keywords: solar thermal system; thermomechanical; shape memory alloy; smart actuator; solar heat collector; force analysis; position analysis; solar-driven; linear actuator; smart material solar thermal system; thermomechanical; shape memory alloy; smart actuator; solar heat collector; force analysis; position analysis; solar-driven; linear actuator; smart material
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MDPI and ACS Style

Almadani, I.K.; Osman, I.S.; Hariri, N.G. In-Depth Assessment and Optimized Actuation Method of a Novel Solar-Driven Thermomechanical Actuator via Shape Memory Alloy. Energies 2022, 15, 3807. https://doi.org/10.3390/en15103807

AMA Style

Almadani IK, Osman IS, Hariri NG. In-Depth Assessment and Optimized Actuation Method of a Novel Solar-Driven Thermomechanical Actuator via Shape Memory Alloy. Energies. 2022; 15(10):3807. https://doi.org/10.3390/en15103807

Chicago/Turabian Style

Almadani, Ibrahim Khalil, Ibrahim Sufian Osman, and Nasir Ghazi Hariri. 2022. "In-Depth Assessment and Optimized Actuation Method of a Novel Solar-Driven Thermomechanical Actuator via Shape Memory Alloy" Energies 15, no. 10: 3807. https://doi.org/10.3390/en15103807

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