RT Journal Article ID 69dde08d6e31ff9f A1 Ortiz-Villafuerte, Javier A1 Todd, Donald R. A1 Hassan, Yassin A. T1 VELOCITY MEASUREMENTS IN BUBBLY FLOWS WITH PARTICLE TRACKING VELOCIMETRY JF Journal of Flow Visualization and Image Processing JO JFV YR 2001 FD 2001-09-01 VO 8 IS 2-3 OP 10 AB Turbulence measurement has great importance in two-phase flows because of its close relationship to phase distribution. Since vortex stretching is associated with turbulence generation and dissipation, it is necessary to utilize a whole-field measurement method rather than point measurement techniques to obtain full-field characteristics. Particle image velocimetry (PIV) is a measurement technique that provides instantaneous velocity fields in a two-dimensional plane. Three-dimensional (3-D) measurements in a thin light slab are possible with a camera-pair, stereo system. In this article, a methodology that allows for velocity field measurements of both components of a two-phase bubbly flow is presented. Results from two-dimensional (2-D) measurements are presented. PB Begell House LK https://www.dl.begellhouse.com/journals/52b74bd3689ab10b,56351a531f4aff35,69dde08d6e31ff9f.html