On the theoretical self-similarity of turbulent round jets: Boundary conditions and buffer zone treatments
On the theoretical self-similarity of turbulent round jets: Boundary conditions and buffer zone treatments
The present study aims to evaluate and validate boundary conditions and buffer zone treatments based on the mean flow self-similarity theory. The self-similarity naturally occurs in the self-preserving region of turbulent free-shear layer flows, such as round jets. Mean flow characteristics of round jets, as centerline velocity decaying, spreading rate and virtual origin, statistically attained, in a universal manner, on the physical domain are gradually matched to those ones prescribed at the far-field boundaries and on the self-similar buffer zone.
American Institute of Aeronautics and Astronautics
Moser, Carlos A.S.
f75701bb-6673-4555-928b-1ff25f83cb95
Da Ronch, Andrea
a2f36b97-b881-44e9-8a78-dd76fdf82f1a
25 June 2018
Moser, Carlos A.S.
f75701bb-6673-4555-928b-1ff25f83cb95
Da Ronch, Andrea
a2f36b97-b881-44e9-8a78-dd76fdf82f1a
Moser, Carlos A.S. and Da Ronch, Andrea
(2018)
On the theoretical self-similarity of turbulent round jets: Boundary conditions and buffer zone treatments.
In 2018 AIAA/CEAS Aeroacoustics Conference.
American Institute of Aeronautics and Astronautics..
(doi:10.2514/6.2018-3920).
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Conference or Workshop Item
(Paper)
Abstract
The present study aims to evaluate and validate boundary conditions and buffer zone treatments based on the mean flow self-similarity theory. The self-similarity naturally occurs in the self-preserving region of turbulent free-shear layer flows, such as round jets. Mean flow characteristics of round jets, as centerline velocity decaying, spreading rate and virtual origin, statistically attained, in a universal manner, on the physical domain are gradually matched to those ones prescribed at the far-field boundaries and on the self-similar buffer zone.
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e-pub ahead of print date: 24 June 2018
Published date: 25 June 2018
Venue - Dates:
AIAA/CEAS Aeroacoustics Conference, 2018, , Atlanta, United States, 2018-06-25 - 2018-06-29
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Local EPrints ID: 424575
URI: http://eprints.soton.ac.uk/id/eprint/424575
PURE UUID: e514f78a-b2bb-4cb6-b4d4-38689a0fd496
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Date deposited: 05 Oct 2018 11:38
Last modified: 16 Mar 2024 04:15
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Author:
Carlos A.S. Moser
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