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A comparison of the wake structures of scale and full-scale pedalling cycling models
Citation
Crouch, TN and Burton, D and Venning, JA and Thompson, MC and Brown, NAT and Sheridan, J, A comparison of the wake structures of scale and full-scale pedalling cycling models, Procedia Engineering, 147 pp. 13-19. ISSN 1877-7058 (2016) [Refereed Article]
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Copyright Statement
Copyright 2016 The Authors. Licensed under Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) https://creativecommons.org/licenses/by-nc-nd/4.0/
DOI: doi:10.1016/j.proeng.2016.06.182
Abstract
This paper presents a novel approach to better understand the unsteady aerodynamics associated with a dynamically pedalling cyclist. Using high resolution Particle Image Velocimetry (PIV) in a water channel, the large-scale wake structure is analysed for various phases of the crank cycle of a 1:4.5 scale-model cyclist/bicycle under both static and pedalling conditions. Both quasi-steady and dynamic pedalling leg results are compared with detailed velocity field surveys made in the wake of a full-scale pedalling cyclist mannequin of similar geometry and position in a wind tunnel. A time-averaged and phase-averaged analysis of the various flow regimes that occur throughout the pedal stroke shows good agreement between scale-model and full-scale mannequin investigations. This highlights the robustness of the formation of the primary wake flow structures when subjected to varying Reynolds number, bicycle/rider geometry and quasi-steady/dynamic pedalling conditions.
Item Details
| Item Type: | Refereed Article |
|---|---|
| Keywords: | Aerodynamics; bluff-body; sports; cycling; wake structure; vortex flows. |
| Research Division: | Engineering |
| Research Group: | Fluid mechanics and thermal engineering |
| Research Field: | Fluid mechanics and thermal engineering not elsewhere classified |
| Objective Division: | Expanding Knowledge |
| Objective Group: | Expanding knowledge |
| Objective Field: | Expanding knowledge in the physical sciences |
| UTAS Author: | Venning, JA (Dr James Venning) |
| ID Code: | 115602 |
| Year Published: | 2016 |
| Web of Science® Times Cited: | 5 |
| Deposited By: | NC Maritime Engineering and Hydrodynamics |
| Deposited On: | 2017-03-31 |
| Last Modified: | 2017-11-06 |
| Downloads: | 139 View Download Statistics |
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