Turbulence - Arrow of Time and Equilibrium-Nonequilibrium Behaviour
International Centre for Theoretical Sciences via YouTube
Overview
Syllabus
Turbulence: Arrow of time equilibrium-Equilibrium behaviour
What is the controversy?
Fundamental forces respect time reversal symmetry
Newton's laws of motion
In real life?
A solution: Second law of thermodynamics
Take turbulence as an example
NS equation
Multiscale phenomena Driven-dissipative nonequilibrium phenomena
Books
Hydrodynamic turbulence
Kolmogorov's theory of turbulence
Properties of ET
Energy transfer
Interpretations
Nice! Problem solved!
Viscous dissipation?
Coherent energy -Incoherent energy
Two-dimensional turbulence
Two-dimensional & rotating turbulence
Past works
Cosmological arrow of time
Causality
Conclusions-I
Equilibrium behaviour
Initial condition: Random velocity
Effective Dissipation and Turbulence in Spectrally Truncated Euler Flows
Connection with kinetic theory
Kinetic theory
Homogeneous isotropic gas under a equilibrium state
Molecular-Level Simulations of Turbulence and its Decay
Initial condition dependence
Moral of the story!
Q&A
Taught by
International Centre for Theoretical Sciences