Particle image velocimetry for complex and turbulent flows

Jerry Westerweel, Gerrit E. Elsinga, Ronald Adrian

Research output: Contribution to journalArticle

207 Citations (Scopus)

Abstract

Particle image velocimetry (PIV) has evolved to be the dominant method for velocimetry in experimental fluid mechanics and has contributed to many advances in our understanding of turbulent and complex flows. In this article we review the achievements of PIV and its latest implementations: time-resolved PIV for the rapid capture of sequences of vector fields; tomographic PIV for the capture of fully resolved volumetric data; and statistical PIV, designed to optimize measurements of mean statistical quantities rather than instantaneous fields. In each implementation, the accuracy and spatial resolution are limited. To advance the method to the next level, we need a completely new approach. We consider the fundamental limitations of two-pulse PIV in terms of its dynamic ranges. We then discuss new paths and developments that hold the promise of achieving a fundamental reduction in uncertainty.

Original languageEnglish (US)
Pages (from-to)409-436
Number of pages28
JournalAnnual Review of Fluid Mechanics
Volume45
DOIs
StatePublished - Jan 2013

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particle image velocimetry
turbulent flow
fluid mechanics
dynamic range
spatial resolution
pulses

Keywords

  • accuracy and spatial resolution
  • experimental fluid mechanics
  • single-pixel correlation
  • tomographic PIV
  • triple-pulse correlation
  • turbulence statistics

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Particle image velocimetry for complex and turbulent flows. / Westerweel, Jerry; Elsinga, Gerrit E.; Adrian, Ronald.

In: Annual Review of Fluid Mechanics, Vol. 45, 01.2013, p. 409-436.

Research output: Contribution to journalArticle

Westerweel, Jerry ; Elsinga, Gerrit E. ; Adrian, Ronald. / Particle image velocimetry for complex and turbulent flows. In: Annual Review of Fluid Mechanics. 2013 ; Vol. 45. pp. 409-436.
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