Video Lectures & Web Articles

Video lectures

Videos at my Youtube channel

Courses with video contents 

• Physics of Turbulence 

• Computational Science and Engineering using Python

General Physics & Turbulence

1. Physical Laws in Complex Multiscale World Lessons from Hydrodynamics

2. Emergence of Order in 2D Euler Turbulence, an Isolated System  (at ICTS, 2022 )

3. Origin of Time Asymmetry and Friction in Multiscale Systems (talk given in Ind. Acad. Sci.)

4. Emergence of Order in 2D Euler Turbulence, an Isolated System  (at ICTS, 2022 )

5. Global Warming, Butterfly Effect & Climate Change (Nobel Prize, 2021)

6. Is There a Universal Theory of Turbulence? (talk given in Coventry University)

7. Energy Flux in Nonequilibrium Systems (talk given in  JNU symposium on "Current Trends in Non-Equilibrium Physics", JNU 2021)

8. Turbulence: Arrow of time & equilibrium-noequilibrium behaviour (at ICTS)

9. Variable energy flux in turbulence  Q&A (talk given in LIFD, University of Leeds) 

Thermal Convection

1. Phenomenology of turbulent thermal convection (at ICTS)

2. Quantification of small-scales and large-scale turbulence in thermal convection  (at ICTS)

3. Rayleigh-Bénard instability and gravity waves, Turbulent buoyancy-driven flow and its phenomenology, Bolgiano-Obukhov and Kolmogorov scaling. Part 1: Video ; Part 2: Video   (at ICTS)

MHD Turbulence

1. On MHD turbulence   PPT  (at ICTS)

2. Variable Energy Fluxes and Exact Relations in MHD Turbulence (Talk given in AAPPS-DPP2021)

3. Turbulent Energy Flux: Application to Drag Reduction in MHD Turbulence and in Dynamo (Talk given in AAPPS-DPP2020)

4. MHD Turbulence: Chandrasekhar’s Contributions & Beyond (Talk given in the conference "Chandra's Contribution in Plasma Astrophysics",  JNU, 2021)

High performance computing

1. Challenges in fluid flow simulations using Exa-scale computing  (Talk given in the Second Workshop on "Software Challenges to Exascale Computing" (SCEC), Delhi 2018)

Talks given on weekly Online Turbulence Seminar availble  here

Popular web-articles

• Complex Systems: What Makes Them Intractable, Swarajya Magazine, PDF

• Importance of Multiscale Description in Science (Part I of the series on multiscale description)

• Single-scale and multiscale diffusion (Part II of the series on multiscale description)

• Fundamental and Derived Laws in Multiscale Systems (Part III of the series on multiscale description)

•  Kolmogorov's theory of turbulence

My blogs are here.