Advertisement

Experiments in Fluids

, Volume 52, Issue 2, pp 299–314 | Cite as

Stereoscopic and tomographic PIV of a pitching plate

  • Abel-John Buchner
  • Nicolas Buchmann
  • Kareem Kilany
  • Callum Atkinson
  • Julio Soria
Research Article

Abstract

This paper applies particle image velocimetry (PIV) to a simplified, canonical, pitch-hold-return problem of a pitching plate in order to gain some understanding of how three dimensionality develops in such flows. Data from a progression of PIV studies, from stereoscopic PIV yielding three-component, two-dimensional (3C-2D) data to tomographic PIV yielding three-component, three-dimensional (3C-3D) data are presented thus providing progressively more detailed information. A comparison of results is made between the two techniques. The PIV study is performed in a water tunnel facility with cross-sectional area 500 × 500 mm, and involves a full-span (nominally two-dimensional) plate, suspended between a wall end boundary condition and a free surface, pitching at a dimensionless pitch rate of K c  = 0.93 in flow at Re = 7,500. Results demonstrate the existence of spanwise flows in both the leading edge and trailing edge vortices, but with strong directionality in the leading edge vortex towards the wall end boundary condition. Observations of instantaneous flow patterns suggest also the existence of three-dimensional coherent vortex filament structures in the outer regions of the leading edge vortex.

Keywords

Particle Image Velocimetry Lead Edge Vortex Particle Image Velocimetry Data Freestream Velocity Edge Vortex 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

This research was sponsored by the Air Force Research Laboratory, under grant number FA2386-09-1-4091. The U.S. Government is authorised to reproduce and distribute reprints for Governmental purposes notwithstanding any copyright notation thereon.

References

  1. Anderson JM, Streitlien K, Barrett DS, Triantafyllou MS (1998) Oscillating foils of high propulsive efficiency. J Fluid Mech 360:41–72MathSciNetzbMATHCrossRefGoogle Scholar
  2. Atkinson C, Soria J (2009) An efficient simultaneous reconstruction technique for tomographic particle image velocimetry. Exp Fluids 47(4):553–568CrossRefGoogle Scholar
  3. Atkinson C, Coudert S, Foucaut JM, Stanislas M, Soria J (2011) The accuracy of tomographic particle image velocimetry for measurements of a turbulent boundary layer. Exp Fluids 50:1031–1056CrossRefGoogle Scholar
  4. Buchmann NA, Buchner AJ, Kilany K, Atkinson C, Soria J (2010) Multi-component, multi-dimensional piv measurements of a flat-plate pitching motion. In: 40th AIAA fluid dynamics conference, ChicagoGoogle Scholar
  5. Buchner AJ, Buchmann NA, Soria J (2010) Wake measurements of a pitching plate using multi-component, multi-dimensional piv techniques. In: 17th Australasian fluid mechanics conference, AucklandGoogle Scholar
  6. Burgmann S, Brücker C, Schröder W (2006) Scanning piv measurements of a laminar separation bubble. Exp Fluids 41:319–326CrossRefGoogle Scholar
  7. Eldredge JD, Chengjie W, Ol MV (2009) A computational study of a canonical pitch-up, pitch-down wing maneuver. In: 39th AIAA fluid dynamics conference, San AntonioGoogle Scholar
  8. Ellington CP (1984) The aerodynamics of hovering insect flight. i. The quasi-steady analysis. Philos Trans R Soc Lond B 305:1–15CrossRefGoogle Scholar
  9. Elsinga GE, Scarano F, Wieneke B, van Oudheusden BW (2006) Tomographic particle image velocimetry. Exp Fluids 41:933–947CrossRefGoogle Scholar
  10. Garmann DJ, Visbal MR (2010) Implicit les computations for a rapidly pitching plate. In: 40th AIAA fluid dynamics conference, ChicagoGoogle Scholar
  11. Hirsa A, Lopez JM, Kim S (2000) Evolution of an initially columnar vortex terminating normal to a no-slip wall. Exp Fluids 29:309–321CrossRefGoogle Scholar
  12. Jensen K, Prasad A (1995) Scheimpflug stereocamera for particle image velocimetry in liquid flows. Appl Opt 34:7092–7099CrossRefGoogle Scholar
  13. Keane RD, Adrian RJ (1992) Theory of cross-correlation analysis of piv images. Appl Scientif Res 49(3):191–215CrossRefGoogle Scholar
  14. Kilany K, Judde C, Soria J (2009) Multi-component, multi-dimensional piv measurements of low reynolds number flow around flat plate undergoing pitch-ramp motion. In: 39th AIAA fluid dynamics conference, San AntonioGoogle Scholar
  15. Koochesfahani MM (1989) Vortical patterns in the wake of an oscillating airfoil. AIAA J 27:1200–1205CrossRefGoogle Scholar
  16. Ol MV (2009) The high-frequency, high-amplitude pitch problem: airfoils, plates and wings. In: 39th AIAA fluid dynamics conference, San AntonioGoogle Scholar
  17. Parker K, von Ellenrieder KD, Soria J (2005) Using stereo multigrid dpiv (smdpiv) measurements to investigate the vortical skeleton behind a finite-span flapping wing. Exp Fluids 39:281–298CrossRefGoogle Scholar
  18. Parker K, von Ellenrieder KD, Soria J (2007) Morphology of the forced oscillatory flow past a finite-span wing at low reynolds number. J Fluid Mech 571:327–357zbMATHCrossRefGoogle Scholar
  19. Raffel M, Willert C, Wereley S, Kompenhans J (2007) Particle image velocimetry: a practical guide, 2nd edn. Springer, BerlinGoogle Scholar
  20. Shyy W, Lian Y, Tang J, Liu H, Trizila P, Stanford B, Bernal L, Cesnik C, Friedmann P, Ifju P (2008) Computational aerodynamics of low reynolds number plunging, pitching and flexible wings for mav applications. Acta Mech Sin 24:351–373CrossRefGoogle Scholar
  21. Soloff SM, Adrian RJ, Liu ZC (1997) Distortion compensation for generalized stereoscopic particle image velocimetry. Measure Sci Technol 8(12):1441–1454CrossRefGoogle Scholar
  22. Soria J (1994) Digital cross-correlation particle image velocimetry measurements in the near wake of a circular cylinder. In: International colloquium on jets, wakes, and shear layers, Melbourne, AustraliaGoogle Scholar
  23. Soria J (1996a) An adaptive cross-correlation digital piv technique for unsteady flow investigations. In: 1st Australian conference on laser diagnostics in fluid mechanics and combustion, SydneyGoogle Scholar
  24. Soria J (1996b) An investigation of the near wake of a circular cylinder using a video-based digital cross-correlation particle image velocimetry technique. Exp Thermal Fluid Sci 12(2):221–233CrossRefGoogle Scholar
  25. Soria J (1998) Multigrid approach to cross-correlation digital piv and hpiv analysis. In: 13th Australasian fluid mechanics conference, MelbourneGoogle Scholar
  26. Westerweel J, Scarano F (2005) Universal outlier detection for piv data. Exp Fluids 39(6):1096–1100CrossRefGoogle Scholar
  27. Wieneke B (2008) Volume self-calibration for 3d particle image velocimetry. Exp Fluids 45:549–556CrossRefGoogle Scholar
  28. Willert C (1997) Stereoscopic digital particle image velocimetry for application in wind tunnel flows. Measure Sci Technol 8:1465–1479CrossRefGoogle Scholar
  29. Willert C, Gharib M (1991) Three-dimensional particle imaging with a single camera. Exp Fluids 12(6):353–358Google Scholar
  30. Williamson CHK (1996) Vortex dynamics in the cylinder wake. Annu Rev Fluid Mech 28:477–539CrossRefGoogle Scholar

Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • Abel-John Buchner
    • 1
  • Nicolas Buchmann
    • 1
  • Kareem Kilany
    • 1
  • Callum Atkinson
    • 1
  • Julio Soria
    • 1
  1. 1.Department of Mechanical and Aerospace Engineering, Laboratory for Turbulence Research in Aerospace and Combustion (LTRAC)Monash UniversityClaytonAustralia

Personalised recommendations