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An Experimental and Numerical Investigation of Drag Reduction Through Biomimetic Modelling

Manz, Andreas, Monir, Shafiul and Jones, Martyn (2017) An Experimental and Numerical Investigation of Drag Reduction Through Biomimetic Modelling. In: 7th IEEE Int. Conference on Internet Technologies and Applications ITA-17, Wrexham, UK, 12-15 September 2017, Wrexham, UK.

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This paper characterises flow around a circular cylinder and investigates the potential of a non-smooth surface to reduce air resistance in a Reynolds number range between Red = 8.09 104 and Red = 2.02 105. The two- and three-dimensional numerical simulations were performed using a steady-state solution and the Reynolds-averaged Navier-Stokes (RANS) approaches. Three different mesh designs and four turbulence models with various treatments were assessed and compared against experimental data. A total of 26 uneven preparations in the two-dimensional analysis and two riblet structures in the three-dimensional analysis were designed to investigate the effect of drag reduction. The results reported hold the potential of uneven structures to reduce the air resistance in the case of a circular cylinder. This research further demonstrates that engineering applications can benefit from mimicking nature's details and functions.

Item Type: Conference or Workshop Item (Poster)
Divisions: Applied Science, Computing and Engineering
Depositing User: Hayley Dennis
Date Deposited: 19 Dec 2018 10:47
Last Modified: 19 Dec 2018 10:47

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