InImpact: The Journal of Innovation Impact

Publisher Future Technology Press
Vol. 7 No. 2 KES Transactions on SDM I - Sustainable Design and Manufacturing 2014
Volume Editors KES International
Journal ISSN 2051-6002
Article TitleCFD based design and analysis of micro-structured surfaces with application to drag and noise reduction
Primary AuthorZongmei Chen, School of Mechatronics Engineering, Harbin Institute of Tech (China)
Other Author(s) Hui Ding; Kai Cheng; Liang Zhao
Pages 162 - 171
Article ID sdm14-068
Publication Date 01-May-16
AbstractThe micro-structured surface have the complex effects on the interface mechanics, such as the friction drag and noise reduction, which can be well integrated with sustainable design and manufacturing applied to wind turbines and aerodynamic surfaces. This paper presents the CFD (computational fluid dynamics) analysis, based on Reynolds averaged N-S equations and Realizable K- ŠĆ turbulence model, the drag reduction effects of four common configurations of micro-structured surfaces. The CFD simulations are developed focusing on the flow-field and the corresponding total pressure loss in relation to different micro-structured configurations. The evaluation of drag reduction effect is undertaken by comparing the total pressure loss between applying the micro-structured surfaces and normal smooth surfaces. Furthermore, analysis of the velocity and pressure distribution in the flow field is carried out so as to get better understanding of drag and noise reduction. Finally, design and manufacturing of the micro-structured samples are presented with optimal drag reduction effect for further experimental analysis. Keywords: micro-structured surface; drag reduction; CFD analysis; noise reduction.
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