Higgins, R.J. , Barakos, G.N. and Jinks, E. (2020) Estimation of three-dimensional aerodynamic damping using CFD. Aeronautical Journal, 124(1271), pp. 24-43. (doi: 10.1017/aer.2019.135)
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197807.pdf - Accepted Version 2MB |
Abstract
Aeroelastic phenomena of stall flutter are the result of the negative aerodynamic damping associated with separated flow. From this basis, an investigation has been conducted to estimate the aerodynamic damping from a time-marching aeroelastic computation. An initial investigation is conducted on the NACA 0012 aerofoil section, before transition to 3D propellers and full aeroelastic calculations. Estimates of aerodynamic damping are presented, with a comparison made between URANS and SAS. Use of a suitable turbulence closure to allow for shedding of flow structures during stall is seen as critical in predicting negative damping estimations. From this investigation, it has been found that the SAS method is able to capture this for both the aerofoil and 3D test cases.
| Item Type: | Articles |
|---|---|
| Additional Information: | The support provided by DOWTY Propellers is gratefully acknowledged. |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Barakos, Professor George and Higgins, Mr Ross |
| Authors: | Higgins, R.J., Barakos, G.N., and Jinks, E. |
| College/School: | College of Science and Engineering > School of Engineering > Autonomous Systems and Connectivity |
| Journal Name: | Aeronautical Journal |
| Publisher: | Royal Aeronautical Society |
| ISSN: | 0001-9240 |
| ISSN (Online): | 2059-6464 |
| Published Online: | 12 November 2019 |
| Copyright Holders: | Copyright © Royal Aeronautical Society 2019 |
| First Published: | First published in Aeronautical Journal 124(1271):24-43 |
| Publisher Policy: | Reproduced in accordance with the publisher copyright policy |
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