Theory Colloquium: The Life and Death of Turbulence
Update: 2024-05-08
Description
Turbulence is the last great unsolved problem of classical physics. But there
is no consensus on what it would mean to actually solve this problem. In this
colloquium, I propose that turbulence is most fruitfully regarded as a problem
in non-equilibrium statistical mechanics, and will show that this perspective
explains turbulent drag behavior measured over 80 years, and makes
predictions that have been experimentally tested in 2D turbulent soap films. I
will also explain how this perspective is useful in understanding the laminarturbulence
transition, establishing it as a non-equilibrium phase transition
whose critical behavior has been predicted and tested experimentally. This
work connects transitional turbulence with statistical mechanics and
renormalization group theory, high energy hadron scattering, the statistics of
extreme events, and even population biology.
is no consensus on what it would mean to actually solve this problem. In this
colloquium, I propose that turbulence is most fruitfully regarded as a problem
in non-equilibrium statistical mechanics, and will show that this perspective
explains turbulent drag behavior measured over 80 years, and makes
predictions that have been experimentally tested in 2D turbulent soap films. I
will also explain how this perspective is useful in understanding the laminarturbulence
transition, establishing it as a non-equilibrium phase transition
whose critical behavior has been predicted and tested experimentally. This
work connects transitional turbulence with statistical mechanics and
renormalization group theory, high energy hadron scattering, the statistics of
extreme events, and even population biology.
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