Experiments in Fluids

, Volume 8, Issue 6, pp 301–311

Turbulent flow visualization by interferometric integral imaging and computed tomography

  • D. W. Watt
  • C. M. Vest


An experimental system using integral interferometric imaging and computer tomography for visualizing the structure of a turbulent, vertical helium jet is described. Integral images and tomographic integral data were obtained using a pulsed phase-shifted interferometer. The integral images revealed a sinuous overall jet structure and large-scale buckling motions in the far-field. Tomographic reconstruction of jet cross-sections at numerous axial locations were made for three turbulent jets at two different Reynols numbers, 2,800 and 4,300. Tomographic images revealed unmixed ambient fluid far inside the jet boundary and a bimodal concentration distribution. Image interpretation and experimental errors are discussed.


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Copyright information

© Springer-Verlag 1990

Authors and Affiliations

  • D. W. Watt
    • 1
  • C. M. Vest
    • 2
  1. 1.Dept. of Mechanical EngineeringUniversity of New HampshireDurhamUSA
  2. 2.Dept. of Mechanical EngineeringThe University of MichiganAnn ArborUSA

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