Published 2007 | Version v1
Computer medium Metadata-only

Void fraction characteristics of gas-liquid two-phase flow in circular tubes of various diameters from 2 to 10 MM

Creators

  • 1. Kobe Univ., Kobe, Hyogo (Japan)
  • 2. Kyoto Univ., Research Reactor Inst., Kumatori, Osaka (JP)
  • 3. Korea Atomic Energy Research Inst., Daejeon (KR)

Description

The void fraction of gas-liquid two-phase flow in mini channels was measured by neutron radiography. The cross sectional averaged void fraction results were compared with the drift flux models based on the flow patterns predicted by the Mishima-Ishii's flow pattern transition criteria. The drift flux model by Ishii predicted well the experimental results for relatively large diameter tubes. In small diameter tubes, the void fraction was predicted by Ishii's model except for the annular flow region with alpha < 0.8. From these results, a new flow regime transition of churn to annular flow with α=0.8 was proposed. The void fraction in annular flow region with α < 0.8 was predicted well by Ishii's drift flux model. The drift flux model by Mishima-Hibiki predicted the void fraction results for various diameter tubes except large void fraction in annular flow region. (author)

Availability note (English)

Available from Japan Society of Mechanical Engineers, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-0016, Japan
Part of:
Proceedings of the ICONE-15 (Revised). The 15th international conference on nuclear engineering

Additional details

Publishing Information

Publisher
Japan Society of Mechanical Engineers
Imprint Place
Tokyo (Japan)
Imprint Title
Proceedings of the ICONE-15 (Revised). The 15th international conference on nuclear engineering
Imprint Pagination
[3174 p.]
Journal Page Range
[6 p.]

Conference

Title
15. international conference on nuclear engineering
Acronym
ICONE-15
Dates
22-26 Apr 2007
Place
Nagoya, Aichi (Japan)

INIS

Country of Publication
Japan
Country of Input or Organization
Japan
INIS RN
39080336
Subject category
S42: ENGINEERING;
Resource subtype / Literary indicator
Conference
Descriptors DEI
CIRCULAR CONFIGURATION; COMPARATIVE EVALUATIONS; DIAGRAMS; FLOW VISUALIZATION; FLUID FLOW; MIXING; NEUTRON RADIOGRAPHY; NITROGEN; TUBES; TWO-PHASE FLOW; VOID FRACTION; WATER
Descriptors DEC
CONFIGURATION; ELEMENTS; EVALUATION; FLUID FLOW; HYDROGEN COMPOUNDS; INDUSTRIAL RADIOGRAPHY; INFORMATION; MATERIALS TESTING; NONDESTRUCTIVE TESTING; NONMETALS; OXYGEN COMPOUNDS; TESTING

Optional Information

Notes
This CD-ROM can be used for WINDOWS 9x/NT/2000/ME/XP, MACINTOSH; Acrobat Reader is included; Data in PDF format, Folder Name Final Paper, PaperID ICONE15-10517.pdf; 4 refs., 13 figs.