Investigation of Factors Influencing Power Takeoff for a Wind Turbine Installed Inside a High-Rise Building
Publication: Journal of Energy Engineering
Volume 146, Issue 4
Abstract
An approach to the development of sustainable buildings was explored in this paper. Sustainable buildings ultimately aim to operate at zero net energy consumption. Therefore, they are an important component in modern urban settings to counteract deteriorating air quality. This paper explored the factors influencing the wind energy exploitable by the turbine installed in channels, or tunnels, that are designed to be embedded into high-rise buildings. The investigation shed light on the design of the tunnel and the estimation of the energy output from the turbine installed in the tunnel with a certain geometry. Computational fluid dynamics (CFD) techniques were employed to study the power takeoff of the tunnel turbine under the influence of the wind incident angle, turbulence intensity, and the parameters defining the geometry of the tunnel geometry. It was shown that the wind incident angles and concentration ratios are the two most significant factors affecting the wind power takeoff. In addition, the study showed that there are optimal concentration ratios and locations at which to install a turbine inside the tunnel, which are about 0.6 and 0.33 times the tunnel length.
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Data Availability Statement
The CFD simulation data and the files used to run the OpenFOAM simulation revealing the findings of this study are available upon reasonable request from the corresponding author.
Acknowledgments
The authors acknowledge the help and support from the staff of the CLP Power Wind/Wave Tunnel Facility at the Hong Kong University of Science and Technology. The work was supported by the National Natural Science Foundation of China (Grant Nos. 51608302 and 51579227) and the Shenzhen Science and Technology Innovation Commission (Project Nos. JSGG20170824165815572 and KQJSCX20180320171210743). Development and Reform Commission of Shenzhen Municipality (Project No. DCF-2018-64).
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Published In
Journal of Energy Engineering
Volume 146 • Issue 4 • August 2020
Copyright
©2020 American Society of Civil Engineers.
History
Received: Jun 20, 2019
Accepted: Jan 23, 2020
Published online: May 7, 2020
Published in print: Aug 1, 2020
Discussion open until: Oct 7, 2020
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