Correlation between large- and small-scale velocity components under Fourier filters

  • Le Fang*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

By introducing the Fourier filters, we analyse the correlation between large- and small-scale velocity components in homogeneous isotropic turbulence theoretically. We show that different Fourier filters act similarly on this multi-scale correlation with a "natural" mechanism of removing the physical correlations between large- and small-scale velocity components. This conclusion calls for the further investigation on the Hilbert-Huang decomposition to investigate the mechanism of Marusic et al (2008).

Original languageEnglish
Article number062008
Pages (from-to)62008
Number of pages1
JournalTheoretical and Applied Mechanics Letters
Volume4
Issue number6
DOIs
StatePublished - 2014

Keywords

  • Correlation function
  • Fourier transform
  • Homogeneous isotropic turbulence
  • Large-eddy simulation

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