Sun, H, Lin, G, Jin, H et al. (5 more authors) (2021) Experimental investigation of surface wettability induced anti-icing characteristics in an ice wind tunnel. Renewable Energy, 179. pp. 1179-1190. ISSN 0960-1481
Abstract
Turbine blade icing is a serious threat for the safety of wind power generation. Low energy ice protection techniques especially those using superhydrophobic surfaces, have attracted intensive interest recently. In this work, the anti-icing characteristics of wind turbine blade have been investigated in an ice wind tunnel, and the influence of surface wettabilities, preparation methods on the ice protection performance and the durability of different surface materials have been examined experimentally. It is found that the surface wettability can dramatically change the ice protection characteristics. Superhydrophobic surfaces prepared by both spraying and laser ablation methods can efficiently reduce the energy consumption of the electrothermal system, and the maximum reduction reaches 76.7% when the temperature of heating surface is lower than 15°C. The surface tension induced flow pattern change of runback water should be responsible for the efficient anti-icing performance, where the runback water sheds from the superhydrophobic surface rapidly, preventing the runback icing on the surface. Droplets impacting can damage the wettabilities and the superhydrophobic surface prepared by laser ablation method shows a better durability during the ice wind tunnel test. A new concept of superhydrophobic-dry anti-icing has been proposed based on the results of this work, which is very promising in solving the icing issue of wind turbine blade with low energy consumption.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2021 Elsevier Ltd. All rights reserved. This is an author produced version of an article published in Renewable Energy. Uploaded in accordance with the publisher's self-archiving policy. |
Keywords: | Superhydrophobic surface; Wind turbine blade icing; Anti-icing; Ice protection; Ice wind tunnel; Durability |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Chemical & Process Engineering (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 22 Feb 2022 11:29 |
Last Modified: | 24 Jul 2022 00:13 |
Status: | Published |
Publisher: | Elsevier |
Identification Number: | 10.1016/j.renene.2021.07.114 |
Related URLs: | |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:183625 |
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