Planar particle image velocimetry (PIV) measurements of the residual flow following the abrupt shut-off of a stead bubble plume

This dataset was obtained from a series of laboratory experiments carried out in the Fluid Dynamics Laboratory in the Ocean Engineering Program at Texas A&M University from January to March 2015. A planar particle image velocimetry (PIV) system was used to measure the residual flow following the abrupt shut-off of a bubble plume. The measurements were taken in the plume centerline plane, giving the two-dimensional flow field on a regular Cartesian grid in this plane. The plume flow was generated by injecting compressed air into a 1m3 water tank via an aquarium airstone located at the center of the tank bottom face. The air bubbles were 2-3mm in diameter with a median value of 2.4mm. The uploaded dataset contains the images of the residual flow at three different air inflow rates. Calibration images of a ruler are also included for length conversion.