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Feasibility Study of Micro-Wind Turbines for Powering Wireless Sensors on a Cable-Stayed Bridge
Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, Korea
Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, Urbana and Champaign, IL 61801, USA
* Author to whom correspondence should be addressed.
Received: 15 June 2012; in revised form: 3 August 2012 / Accepted: 27 August 2012 / Published: 6 September 2012
Abstract: In this study, the feasibility of using micro-wind turbines to power wireless sensors on a cable-stayed bridge is comprehensively investigated. To this end, the wind environment around a bridge onto which a turbine is installed is examined, as is the power consumption of a wireless sensor. Feasible alternators and rotors are then carefully selected to make an effective small wind generator (known as a micro-wind turbine). Using the three specially selected micro-wind turbines, a series of experiments was conducted to find the turbine best able to generate the largest amount of power. Finally, a horizontal-axis micro-wind turbine with a six-blade rotor was combined with a wireless sensor to validate experimentally its actual power-charging capability. It is demonstrated that the micro-wind turbine can generate sufficient electricity to power a wireless sensor under moderate wind conditions.
Keywords: micro-wind turbine; wind power; wireless sensor; structural health monitoring; energy harvesting; wind energy
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Cite This Article
MDPI and ACS Style
Park, J.-W.; Jung, H.-J.; Jo, H.; Spencer, B.F., Jr. Feasibility Study of Micro-Wind Turbines for Powering Wireless Sensors on a Cable-Stayed Bridge. Energies 2012, 5, 3450-3464.
Park J-W, Jung H-J, Jo H, Spencer BF, Jr. Feasibility Study of Micro-Wind Turbines for Powering Wireless Sensors on a Cable-Stayed Bridge. Energies. 2012; 5(9):3450-3464.
Park, Jong-Woong; Jung, Hyung-Jo; Jo, Hongki; Spencer, Billie F., Jr. 2012. "Feasibility Study of Micro-Wind Turbines for Powering Wireless Sensors on a Cable-Stayed Bridge." Energies 5, no. 9: 3450-3464.