0
TECHNICAL PAPERS

Interfacial Structures and Regime Transition in Co-Current Downward Bubbly Flow

[+] Author and Article Information
S. Kim

Nuclear Engineering, University of Missouri-Rolla, Rolla, MO 65409-0170

S. S. Paranjape, M. Ishii

School of Nuclear Engineering, Purdue University, West Lafayette, IN 47907-1290

J. Kelly

U.S. Nuclear Regulatory Commission, Washington D.C., 20555

J. Fluids Eng 126(4), 528-538 (Sep 10, 2004) (11 pages) doi:10.1115/1.1777229 History: Received May 27, 2003; Revised September 16, 2003; Online September 10, 2004
Copyright © 2004 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Flow regime transition boundaries for co-current downward two-phase flow in 25.4 mm ID and 50.8 mm ID pipes
Grahic Jump Location
Local parameter profiles for run 2 in 25.4 mm ID loop. (a) void fraction, (b) interfacial area concentration, (c) bubble velocity, (d) bubble velocity and estimated liquid velocity at port 3.
Grahic Jump Location
Characteristic images acquired for each flow regime. (a) Bubbly flow: jf=−2.12 m/s & jg=−0.21 m/s, (b) Slug flow: jf=−2.12 m/s & jg=−0.42 m/s, (c) Churn-turbulent flow: jf=−2.12 m/s & jg=−1.07 m/s and (d) Annular flow: jf=−2.12 m/s & jg=−9.17 m/s.
Grahic Jump Location
Schematic diagram of the present experimental loop
Grahic Jump Location
Axial development of area averaged ai for runs 1, 2, 3, 4 and 6 in 25.4 mm ID loop.
Grahic Jump Location
Axial development of area averaged ai
Grahic Jump Location
Axial development of local parameters for run 7 in 25.4 mm ID loop
Grahic Jump Location
Axial development of local parameters for run 14 in 25.4 mm ID loop
Grahic Jump Location
〈j〉 vs. 〈jg〉/〈α〉 plot from data with correlations by Hirao et al. 15
Grahic Jump Location
〈j〉 vs. 〈jg〉/〈α〉 plot; experimental data with present correlations (Circle: Data, Solid Line: Further modified correlation)
Grahic Jump Location
Local parameter profiles for run 5 in 50.8 mm ID loop. (a) void fraction, (b) interfacial area concentration, (c) bubble velocity, (d) bubble velocity and estimated liquid velocity at port 3.
Grahic Jump Location
Radial profiles of (a) void fraction and (b) interfacial area concentration for run 8 in 25.4 mm ID loop
Grahic Jump Location
Radial profiles of (a) void fraction and (b) interfacial area concentration for run 8 in 50.8 mm ID test section
Grahic Jump Location
Local parameter profiles for run 14 in 25.4 mm ID loop. (a) group 1 bubble void fraction, (b) group 2 bubble void fraction, (c) group 1 bubble interfacial area concentration, (d) group 2 bubble interfacial area concentration.

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In