Study of the 90° elbows performance as phase separators in an air-water two-phase flow

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Abstract

In order to observe the 90° elbows performance as phase separators in an air-water two-phase flow, experimental results for the phase split which occurs at a 90° branched elbow are presented. The branched elbow geometry was varied in order to have three (branch diameter / elbow diameter) ratios and three branch inclination angles. Also the pressure was monitored at different points of the elbow with ramification in order to examine the pressure drop effect. The flow pattern upstream was mainly slug flow. First, the analysis of the main independent variables effect, (superficial velocities, branch inclination angle, ratio of diameters and pressure gradients) was carried out, then a correlation for the phase split was developed and, finally a comparison was made with data of phase separation in T junctions obtained by Azzopardi and Soliman, as a result, a better behavior as phase separator was found for the elbow.

Original languageEnglish
Title of host publicationProceedings of the 4th ASME/JSME Joint Fluids Engineering Conference
Subtitle of host publicationVolume 1, part B, Forums
EditorsA. Ogut, Y. Tsuji, M. Kawahashi, A. Ogut, Y. Tsuji, M. Kawahashi
Pages1439-1444
Number of pages6
StatePublished - 2003
Event4th ASME/JSME Joint Fluids Engineering Conference - Honolulu, HI, United States
Duration: 6 Jul 200310 Jul 2003

Publication series

NameProceedings of the ASME/JSME Joint Fluids Engineering Conference
Volume1 B

Conference

Conference4th ASME/JSME Joint Fluids Engineering Conference
Country/TerritoryUnited States
CityHonolulu, HI
Period6/07/0310/07/03

Keywords

  • Branch
  • Elbow
  • Separation
  • Two phase flow

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