CFD-Based Pressure Solver for PIV

Pressure reconstruction from PIV data is a powerful means to extract full-field pressure data from empirical measurements. In an effort to validate the time resolved reconstructed pressure fields from a flat plate synthetic jet impingement experiment in water, the PIV measurement volume was modelled and a CFD simulation was performed in Ansys CFX. The reconstructed pressure field from the PIV experiment was then compared to the output pressure field of the CFD solver as well as the reconstructed pressure field using the calculated velocity field from the CFD solver. Aside from the reconstructed pressure field, pressure transducer measurements taken at the center of the impingement plate were compared to the results of the CFD simulations. The synthetic jet experiment was performed at 3 different jetting frequencies: 10Hz, 5Hz, and 2.5Hz, each of which was simulated for 6 periods in CFX.