Thermal non-equilibrium effects in turbulent compressible shear flows

Aaron G. Neville; Ioannis Nompelis; Pramod K Subbareddy; Graham V. Candler

doi:10.2514/6.2015-3218

Thermal non-equilibrium effects in turbulent compressible shear flows

Aaron G. Neville, Ioannis Nompelis, Pramod K Subbareddy, Graham V. Candler

Aerospace Engineering and Mechanics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Scopus citations

Abstract

Vibrational relaxation effects in turbulent compressible shear layers are studied using the CFD solver US3D. Three different convective Mach numbers are examined, with varying vibrational relaxation rates. The effects of vibrational relaxation are to damp the mean temperature as energy is transferred from the translational mode to the vibrational mode. As the vibrational relaxation rate is increased, the momentum thickness are damped. The underlying physical explanations behind these observations are currently being quantified.

Original language	English (US)
Title of host publication	45th AIAA Fluid Dynamics Conference
Publisher	American Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)	9781624103629
DOIs	https://doi.org/10.2514/6.2015-3218
State	Published - 2015
Event	45th AIAA Fluid Dynamics Conference, 2015 - Dallas, United States Duration: Jun 22 2015 → Jun 26 2015

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Name	45th AIAA Fluid Dynamics Conference

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Other	45th AIAA Fluid Dynamics Conference, 2015
Country/Territory	United States
City	Dallas
Period	6/22/15 → 6/26/15

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Publisher Copyright:
© 2015, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.

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10.2514/6.2015-3218

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Thermal non-equilibrium effects in turbulent compressible shear flows. / Neville, Aaron G.; Nompelis, Ioannis ; Subbareddy, Pramod K ; Candler, Graham V.

45th AIAA Fluid Dynamics Conference. American Institute of Aeronautics and Astronautics Inc, AIAA, 2015. (45th AIAA Fluid Dynamics Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Neville, AG, Nompelis, I , Subbareddy, PK & Candler, GV 2015, Thermal non-equilibrium effects in turbulent compressible shear flows. in 45th AIAA Fluid Dynamics Conference. 45th AIAA Fluid Dynamics Conference, American Institute of Aeronautics and Astronautics Inc, AIAA, 45th AIAA Fluid Dynamics Conference, 2015, Dallas, United States, 6/22/15. https://doi.org/10.2514/6.2015-3218

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abstract = "Vibrational relaxation effects in turbulent compressible shear layers are studied using the CFD solver US3D. Three different convective Mach numbers are examined, with varying vibrational relaxation rates. The effects of vibrational relaxation are to damp the mean temperature as energy is transferred from the translational mode to the vibrational mode. As the vibrational relaxation rate is increased, the momentum thickness are damped. The underlying physical explanations behind these observations are currently being quantified.",

author = "Neville, {Aaron G.} and Ioannis Nompelis and Subbareddy, {Pramod K} and Candler, {Graham V.}",

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doi = "10.2514/6.2015-3218",

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AU - Neville, Aaron G.

AU - Nompelis, Ioannis

AU - Subbareddy, Pramod K

AU - Candler, Graham V.

PY - 2015

Y1 - 2015

N2 - Vibrational relaxation effects in turbulent compressible shear layers are studied using the CFD solver US3D. Three different convective Mach numbers are examined, with varying vibrational relaxation rates. The effects of vibrational relaxation are to damp the mean temperature as energy is transferred from the translational mode to the vibrational mode. As the vibrational relaxation rate is increased, the momentum thickness are damped. The underlying physical explanations behind these observations are currently being quantified.

AB - Vibrational relaxation effects in turbulent compressible shear layers are studied using the CFD solver US3D. Three different convective Mach numbers are examined, with varying vibrational relaxation rates. The effects of vibrational relaxation are to damp the mean temperature as energy is transferred from the translational mode to the vibrational mode. As the vibrational relaxation rate is increased, the momentum thickness are damped. The underlying physical explanations behind these observations are currently being quantified.

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M3 - Conference contribution

AN - SCOPUS:85088769272

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T3 - 45th AIAA Fluid Dynamics Conference

BT - 45th AIAA Fluid Dynamics Conference

PB - American Institute of Aeronautics and Astronautics Inc, AIAA

T2 - 45th AIAA Fluid Dynamics Conference, 2015

Y2 - 22 June 2015 through 26 June 2015

ER -

Thermal non-equilibrium effects in turbulent compressible shear flows

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