Publicou 4 edições por ano
ISSN Imprimir: 0276-1459
ISSN On-line: 1943-6181
Indexed in
MEASUREMENT TECHNIQUE FOR ANALYSIS IN TWO-PHASE FLOWS INVOLVING DISTRIBUTED SIZE OF DROPLETS AND BUBBLES USING INTERFEROMETRIC METHOD PLANAR SIMULTANEOUS MEASUREMENT OF SIZE AND VELOCITY VECTOR FIELD
RESUMO
Not only the size and velocity distrib ution but also the spatial information of those instantaneous properties of individual droplets and bubbles are required to understand the complex behavior of dispersed multi-phase flow. In the present paper, an interferometric laser imaging technique investigating two-phase flow characeristics was demonstrated examining the simultaneous measurement of planar distributions on particle size, velocity vector and number density concentration from a frozen image, and the time series information was obtained by processing sequential imagtes of the interferogram. The measurement results with velocity vectors were precisely discriminated by size, the transient spray showed the significant difference of their flow behavior. Interferometric technique was further applied to investigate the characteristics of the size distribution of microscale gas bubble in liquid and to measure such bubbly flows on the different basis as air injection bubbly flow, electrolytic hydrogen and oxygen bubble injection and alcoholic beverages with gas bubbles.
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