Combined planar laser-induced fluorescence-particle image velocimetry technique for velocity and temperature fields
Combined use of particle image velocimetry (PIV) with planar laser-induced fluorescence (PLIF) was developed to measure both velocity and scalars such as temperature and concentration in thermo-fluid flow. PLIF, which uses a temperature-sensitive fluorescent dye excited by a laser light sheet, is a whole-field temperature diagnostic. The technique was applied to a thermal stratified flow and a plane impinging jet. The time evolutions of vortical and thermal structures were successfully obtained in order to understand the mechanism of the turbulent heat transfer in these flows.
Experiments in Fluids
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