Nonuniversal power-law spectra in turbulent systems.

Turbulence is generally associated with universal power-law spectra in scale ranges without significant drive or damping. Although many examples of turbulent systems do not exhibit such an inertial range, power-law spectra may still be observed. As a simple model for such situations, a modified version of the Kuramoto-Sivashinsky equation is studied. By means of semianalytical and numerical studies, one finds power laws with nonuniversal exponents in the spectral range for which the ratio of nonlinear and linear time scales is (roughly) scale independent.

• Publication year

  2013

• Venue

  Physical Review Letters

• Publication date

  2013-05-17

• Fields of study

  Medicine, Physics

• Identifiers
  DOI 10.1103/PhysRevLett.111.075001arXiv 1305.4111PMID 23992072
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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