Split-screen single-camera stereoscopic PIV application to a turbulent confined swirling layer with free surface

Split-screen single-camera stereoscopic PIV application to a turbulent confined swirling layer... An annular liquid wall jet, or vortex tube, generated by helical injection inside a tube is studied experimentally as a possible means of fusion reactor shielding. The hollow confined vortex/swirling layer exhibits simultaneously all the complexities of swirling turbulence, free surface, droplet formation, bubble entrapment; all posing challenging diagnostic issues. The construction of flow apparatus and the choice of working liquid and seeding particles facilitate unimpeded optical access to the flow field. A split-screen, single-camera stereoscopic particle image velocimetry (SPIV) scheme is employed for flow field characterization. Image calibration and free surface identification issues are discussed. The interference in measurements of laser beam reflection at the interface are identified and discussed. Selected velocity measurements and turbulence statistics are presented at $$\hbox{Re}_{\uplambda}=70$$ (Re = 3500 based on mean layer thickness). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

Split-screen single-camera stereoscopic PIV application to a turbulent confined swirling layer with free surface

, Volume 49 (2) – Jan 29, 2010
12 pages

/lp/springer_journal/split-screen-single-camera-stereoscopic-piv-application-to-a-turbulent-ViHHZMcdNl
Publisher
Springer-Verlag
Subject
Engineering; Engineering Thermodynamics, Heat and Mass Transfer; Fluid- and Aerodynamics; Engineering Fluid Dynamics
ISSN
0723-4864
eISSN
1432-1114
D.O.I.
10.1007/s00348-010-0823-2
Publisher site
See Article on Publisher Site

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