Shock Waves and Turbulence - Physical Modeling, Numerical Challenges

Explore the complex world of shock waves and turbulence in this comprehensive lecture by Krishnendu Sinha. Delve into physical modeling, numerical challenges, and practical applications of shock-turbulence interactions. Learn about direct numerical simulation (DNS) and linear interaction analysis (LIA) techniques used to investigate turbulence amplification and enhanced heat transfer at shock waves. Discover the importance of unsteady shock oscillations in post-shock predictions. Examine various applications in supersonic and hypersonic shock-boundary layer interactions, aerospace vehicles, astrophysics, and nuclear engineering. Gain insights into canonical shock-turbulence interaction, turbulence kinetic energy, enstrophy amplification, and post-shock thermodynamic fields. Understand theoretical analyses, including the baroclinic effect on vorticity and propagating and decaying regimes. Explore modeling and simulation techniques for turbulent heat transfer, including new models that show significant improvements in predicting high heat transfer at shock impingement.

DATE & TIME: Mon, 19 November 2018, 15:00 to
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Shock waves and turbulence physical modeling, numerical challenges and practical applications
Shock-turbulence interaction
Shock Waves in Aerospace Vehicles
Astrophysics and Nuclear engineering
Canonical Shock-Turbulence Interaction
Experiments, Simulations & Analysis
Direct numerical simulation
Turbulence kinetic energy
Amplification of Enstrophy
Post-shock thermodynamic field
Linear Interaction Analysis
Shock frame of reference
Integration over 3D spectrum
LIA matches Direct Numerical Simulation
Turbulence kinetic energy
Theoretical Analysis
Baroclinic effect on vorticity
Propagating and decaying regimes
Enhanced Turbulent Heat transfer
Modeling and Simulation
Transport equation for TKE
Shock-boundary layer interaction
Modeling turbulent heat transfer
Lower turbulent Prandtl no. at shock
New model gives significant improvement
High Heat transfer at shock impingement
From Fundamentals to Applied Fluid Mechanics in Hypersonic Flows
Thank you...