Trends in education, 2009 (vol. 2), issue 1

TVV 2009, 2(1):223-226

DIGITAL PARTICLE IMAGE VELOCIMETRY (DPIV) CORRELATION ALGORITHM FOR ANALYSIS OF TWO-PHASE FLOW

¦LEZIAK Mariusz
Katedra Technologii, Wydział Przyrodniczo Techniczny, Uniwersytet Opolski, 45-365 Opole, ul. Dmowskiego 7/9

In different types of chemical apparatus two-phase gas-liquid flows occur very often. The two-phase flow takes place along and across tubes bundle in the heat exchangers. Application of the flow visualization and digital image analysis method allow to determine local and overall flow parameters, and investigation of hydrodynamics of liquid flow inside the tube bundle, basing on techniques of digital image processing. The classical shell - and - tube heat exchangers are commonly applied for heat transfer in flow apparatus. In order to increase liquid flow velocity inside the shell - side, the flow is intensified by the use of sectional cross baffles, and minimizing superficies of heat exchangers. Two-phase mixture flow is characterized by significant fluctuations. Fluctuations are result of complicated geometry and oscillatory nature of two-phase flow in the shell-side.
Visualization of liquid flow in the shell - side enables analysis of flow parameters by the used image processing and analysis methods.

Keywords: flow visualization, particle image velocimetry (PIV).

Published: July 1, 2009  Show citation

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¦LEZIAK, M. (2009). DIGITAL PARTICLE IMAGE VELOCIMETRY (DPIV) CORRELATION ALGORITHM FOR ANALYSIS OF TWO-PHASE FLOW. Trends in education, 2(1), 223-226
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