Measurement of Velocity Distribution in Gas-Liquid Two-phase Flows

Abstract

Techniques for measuring velocity distribution in gas-liquid two-phase flow are important to elucidate the mechanisms of the flows in various two-phase systems, and to improve desigining industrial facilities. In this report, we focus on recent advanced techniques based on particle imaging velocimetry (PIV), which is known as a contact-free, multi-dimensional, instantaneous measurement tool. The current problems in applying the PIV to gas-liquid two-phase flows are summarized, and several examples of measured results are shown.