Marine drag reduction of shark skin inspired riblet surfaces

Shark skin inspired riblet surfaces have been known to have drag reduction effect for the over past 40 years. It first drew the attention from the aircraft industry. With the property of low drag and self-cleaning (antifouling), shark skin inspired riblet surfaces can also be used on navigation obje...

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Main Authors: Y.F. Fu, C.Q. Yuan, X.Q. Bai
Format: Article
Language:English
Published: Wiley 2017-03-01
Series:Biosurface and Biotribology
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2405451816300484
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author Y.F. Fu
C.Q. Yuan
X.Q. Bai
author_facet Y.F. Fu
C.Q. Yuan
X.Q. Bai
author_sort Y.F. Fu
collection DOAJ
description Shark skin inspired riblet surfaces have been known to have drag reduction effect for the over past 40 years. It first drew the attention from the aircraft industry. With the property of low drag and self-cleaning (antifouling), shark skin inspired riblet surfaces can also be used on navigation objects. In this paper, different marine drag reduction technologies are discussed, and a review of riblet performance studies is also given. Experimental parameters include riblet geometry, continuous and segmented configurations, fluid velocity (laminar and turbulent flow), fluid viscosity (water, oil and gas), and wettability are analyzed. However, force is obtained by area-weighted integral of shear stress distributions. So area of riblet surfaces is a crucial factor which has not been considered in many previous studies. An experiment is given to discuss the impact of area. This paper aims not only to contribute to a better understanding of marine drag reduction, but also to offer new perspectives to improve the current evaluation criteria of riblet drag reduction.
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spelling doaj.art-ddf9ccb7606a440f8607c9b98cc1e7872022-12-21T18:59:42ZengWileyBiosurface and Biotribology2405-45182017-03-0131112410.1016/j.bsbt.2017.02.001Marine drag reduction of shark skin inspired riblet surfacesY.F. Fu0C.Q. Yuan1X.Q. Bai2Reliability Engineering Institute, National Engineering Research Center for Water Transportation Safety, Wuhan 430063, ChinaReliability Engineering Institute, National Engineering Research Center for Water Transportation Safety, Wuhan 430063, ChinaReliability Engineering Institute, National Engineering Research Center for Water Transportation Safety, Wuhan 430063, ChinaShark skin inspired riblet surfaces have been known to have drag reduction effect for the over past 40 years. It first drew the attention from the aircraft industry. With the property of low drag and self-cleaning (antifouling), shark skin inspired riblet surfaces can also be used on navigation objects. In this paper, different marine drag reduction technologies are discussed, and a review of riblet performance studies is also given. Experimental parameters include riblet geometry, continuous and segmented configurations, fluid velocity (laminar and turbulent flow), fluid viscosity (water, oil and gas), and wettability are analyzed. However, force is obtained by area-weighted integral of shear stress distributions. So area of riblet surfaces is a crucial factor which has not been considered in many previous studies. An experiment is given to discuss the impact of area. This paper aims not only to contribute to a better understanding of marine drag reduction, but also to offer new perspectives to improve the current evaluation criteria of riblet drag reduction.http://www.sciencedirect.com/science/article/pii/S2405451816300484MarineShark skinDrag reductionRibletArea
spellingShingle Y.F. Fu
C.Q. Yuan
X.Q. Bai
Marine drag reduction of shark skin inspired riblet surfaces
Biosurface and Biotribology
Marine
Shark skin
Drag reduction
Riblet
Area
title Marine drag reduction of shark skin inspired riblet surfaces
title_full Marine drag reduction of shark skin inspired riblet surfaces
title_fullStr Marine drag reduction of shark skin inspired riblet surfaces
title_full_unstemmed Marine drag reduction of shark skin inspired riblet surfaces
title_short Marine drag reduction of shark skin inspired riblet surfaces
title_sort marine drag reduction of shark skin inspired riblet surfaces
topic Marine
Shark skin
Drag reduction
Riblet
Area
url http://www.sciencedirect.com/science/article/pii/S2405451816300484
work_keys_str_mv AT yffu marinedragreductionofsharkskininspiredribletsurfaces
AT cqyuan marinedragreductionofsharkskininspiredribletsurfaces
AT xqbai marinedragreductionofsharkskininspiredribletsurfaces