Dual discharge from a stratified two phase region through side orifices oriented horizontally

Ibrahim Hassan, H. M. Soliman, G. E. Sims, J. E. Kowalski

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Abstract

Experimental data are presented for the mass flow rate and quality of two-phase (air-water) discharge from a stratified region through two side orifices (6.35 mm i.d.) with their parallel centrelines located in a horizontal plane. These data correspond to different values of the interface level between the onsets of gas and liquid entrainments for test-section pressures of 316 and 517 kPa, test-section-to-separators pressure difference ranging from 40 to 235 kPa, orifice separating distance to diameter ratio ranging from 1.5 to 8 and different hydraulic resistances of the lines connecting the test section to the separators. Influences of these independent variables on the deviation between the present results (of mass flow rate and quality) and those corresponding to a single discharge are presented and discussed. Normalized plots are presented showing that the present data of dual discharge and those of a single discharge can be collapsed for the whole test range when specific definition for the dimensionless height of the interface and mass flow rate are used. Excellent agreement is demonstrated between single-discharge correlations and the present data using these dimensionless quantities.

Original languageEnglish
JournalProceedings - Annual Conference, Canadian Nuclear Association
Volume2
Publication statusPublished - 1995
Externally publishedYes

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ASJC Scopus subject areas

  • Energy Engineering and Power Technology

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