Improvements to an Explicit Algebraic Stress Model for Turbulent Jet Mixing Predictions | Zendy

Nicholas J. Georgiadis | Zendy; Dennis A. Yoder | Zendy

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Improvements to an Explicit Algebraic Stress Model for Turbulent Jet Mixing Predictions

Author(s) -

Nicholas J. Georgiadis,

Dennis A. Yoder

Publication year - 2019

Publication title -

aiaa scitech 2022 forum

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2019-0325

Subject(s) - turbulence , jet (fluid) , mixing (physics) , algebraic number , stress (linguistics) , mechanics , statistical physics , computer science , mathematics , physics , mathematical analysis , quantum mechanics , linguistics , philosophy

NASA/TM—2019-219978 1 Wij vorticity tensor x, y, z Cartesian coordinates y0 effective centerline of the mixing layer ∆U difference in freestream velocities for mixing layer = U2 − U1 = 301 m/s. turbulent dissipation rate κ Von Karman constant μ dynamic viscosity μt dynamic eddy viscosity ω specific turbulent dissipation rate Πij pressure strain correlation tensor Πij deviatoric pressure strain correlation tensor ρ density τ turbulent time scale τ ij turbulent stress tensor

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