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Fumarola, Isabella, Gaster, Michael and Atkin, Chris J. 
ORCID: https://orcid.org/0000-0003-2529-1978
(2021)
On the Interaction of Freestream Turbulence and Attachment-Line Boundary Layer.
In:
IUTAM Laminar-Turbulent Transition.
IUTAM Laminar-Turbulent Transition
.
Springer, pp. 181-191.
ISBN 978-3-030-67901-9
Abstract
One of the possible forcing mechanisms for inducing transition from laminar to turbulent flow is freestream turbulence. Among the different transition mechanisms, freestream turbulence influences the cross-flow instability which occurs on swept wings. In order to understand better the physical interaction between freestream turbulence and boundary layer, this work analyses how the turbulence is distorted approaching a leading edge and whether it is amplified approaching a swept leading edge. The paper contains a brief literature review of both the two-dimensional stagnation point and three-dimensional attachment-line flows. This reveals that freestream turbulence amplification has been investigated for two-dimensional leading edge flows, but there is a lack of research on the swept leading edge. In addition, the paper presents some experimental results on a circular cylinder at various sweep angles. The results show that the phenomenon observed at the two-dimensional stagnation point also occurs at a swept attachment-line, although some differences are identified.
| Item Type: | Book Section |
|---|---|
| Faculty \ School: | Faculty of Science > School of Engineering (former - to 2024) |
| UEA Research Groups: | Faculty of Science > Research Groups > Fluids & Structures Faculty of Science > Research Groups > Sustainable Energy |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 06 Aug 2021 23:40 |
| Last Modified: | 07 Nov 2024 12:49 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/81005 |
| DOI: | 10.1007/978-3-030-67902-6_15 |
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