Bio-Inspired Passive Drag Reduction Techniques: A Review

被引：40

作者：

Abdulbari, Hayder A. ^{[1
,2
]}

Mahammed, Hassan D. ^{[1
]}

Hassan, Zulkefli B. Y. ^{[1
]}

机构：

[1] Univ Malaysia Pahang, Fac Chem & Nat Resources Engn, Kuantan 26300, Pahang, Malaysia

[2] Univ Malaysia Pahang, Ctr Excellence Adv Res Fluid Flow, Kuantan 26300, Pahang, Malaysia

来源：

CHEMBIOENG REVIEWS | 2015年 / 2卷 / 03期

关键词：

Drag reduction; Geometry; Riblets; Skin friction;

D O I：

10.1002/cben.201400033

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

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 manip-ulating 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.

引用

页码：185 / 203

页数：19

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