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Bio-Inspired Passive Drag Reduction Techniques: A Review

Abdulbari, Hayder A. and Hassan D., Mahammed and Zulkefli B. Y., Hassan (2015) Bio-Inspired Passive Drag Reduction Techniques: A Review. ChemBioEng Reviews, 2 (3). pp. 185-203. ISSN 2196-9744

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Abstract

It was believed that fluid flow and the laminar to turbulent transition delay were more easily controlled on smooth surfaces until the discovery of the grooved shark skin surface that changed the whole idea of how smooth the surface should be to have high flow in submerged surfaces. Riblets have gained renewed interest in academic fields of study and in industry due to several advantages in manipulating the turbulence boundary layer. Drag reduction using small, longitudinally grooved surface provides up to 10 % lower energy consumption in several applications. This review provides an overview of the mechanism of drag reduction with riblets, the different geometries and types, and the latest developments in drag reduction riblet technology.

Item Type: Article
Uncontrolled Keywords: Drag reduction; Geometry; Riblets; Skin friction
Subjects: T Technology > TP Chemical technology
Faculty/Division: Faculty of Chemical & Natural Resources Engineering
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 01 Jul 2015 08:05
Last Modified: 12 Jan 2018 01:27
URI: http://umpir.ump.edu.my/id/eprint/9013
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