Feasibility study of micro-wind turbines for powering wireless sensors on a cable-stayed bridgeopen access
- Authors
- Park, Jong-Woong; Jung, Hyung-Jo; Jo, Hongki; Spencer, Billie F.Jr.
- Issue Date
- Sep-2012
- Publisher
- MDPI AG
- Keywords
- Energy harvesting; Micro-wind turbine; Structural health monitoring; Wind energy; Wind power; Wireless sensor
- Citation
- Energies, v.5, no.9, pp 3450 - 3464
- Pages
- 15
- Journal Title
- Energies
- Volume
- 5
- Number
- 9
- Start Page
- 3450
- End Page
- 3464
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/61100
- DOI
- 10.3390/en5093450
- ISSN
- 1996-1073
1996-1073
- 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. © 2012 by the authors.
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