A dynamical systems approach to fluid turbulence

Chuong Van Tran, Luke Austen Kazimierz Blackbourn

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

This study presents a theoretical approach to fluid turbulence as an
alternative to Kolmogorov's phenomenology. The new approach uses basic
elements and concepts in dynamical systems theory and applies to a
variety of fluid models, allowing us to recover key predictions made by
the classical method. These include the number of degrees of freedom,
the dissipation wavenumber and the exponent of the power-law energy
spectrum of the inertial range. The two-dimensional magnetohydrodynamic
system at unity magnetic Prandtl number is used as an illustrative
example, with the theoretical predictions corroborated by numerical
results.
Original languageEnglish
Pages (from-to)031417
Number of pages10
JournalFluid Dynamics Research
Volume44
DOIs
Publication statusPublished - 23 May 2012

Keywords

  • Dynamical systems theory
  • Number of degrees of freedom
  • Turbulence

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