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https://hdl.handle.net/2440/104842
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Type: | Conference paper |
Title: | A comparison of NACA 0012 and NACA 0021 self-noise at low Reynolds number |
Author: | Laratro, A.J. Arjomandi, M. Cazzolato, B. Kelso, R. |
Citation: | Lecture Notes in Mechanical Engineering, 2016 / Zhou, Y., Lucey, A.D., Liu, Y., Huang, L. (ed./s), pp.21-25 |
Publisher: | Springer-Verlag |
Publisher Place: | Berlin |
Issue Date: | 2016 |
Series/Report no.: | Lecture Notes in Mechanical Engineering |
ISBN: | 9783662488669 |
ISSN: | 2195-4356 2195-4364 |
Conference Name: | 3rd Symposium on Fluid-Structure-Sound Interactions and Control (5 Jul 2015 - 9 Jul 2015 : Perth, Australia) |
Editor: | Zhou, Y. Lucey, A.D. Liu, Y. Huang, L. |
Statement of Responsibility: | A. Laratro, M. Arjomandi, B. Cazzolato and R. Kelso |
Abstract: | The self-noise of NACA 0012 and NACA 0021 airfoils are recorded at a Reynolds numbers of 96,000 in an anechoic wind tunnel at an angle-of-attack range of −5∘–40∘. Results suggest that the low angle-of-attack tonal noise of the airfoils behaves differently, with the NACA 0021 producing tones at much higher angles-of-attack but not near 0∘. Noise generated at the onset of stall is subtlely different, with signature of the NACA 0012 forming over a larger angular range compared to the NACA 0021 where the stall signature forms suddenly. |
Keywords: | Aeroacoustics; Stall noise; Airfoil noise |
Rights: | © Springer-Verlag Berlin Heidelberg 2016 |
DOI: | 10.1007/978-3-662-48868-3_3 |
Published version: | https://link.springer.com/book/10.1007/978-3-662-48868-3 |
Appears in Collections: | Aurora harvest 8 Mechanical Engineering publications |
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