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