Vapor fraction measurements in a steam-water duct at atmospheric pressure using neutron radiography

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Description

Real-time neutron radiography has been used to study the dynamic behavior of two-phase flow and measure vapor fractions in a steam-water duct at atmospheric pressure. This unique experimental technique offers one the opportunity to observe and record on videotape now Patterns and transient behavior of two-phase flow inside opaque containers without perturbing the environment. The neutron radiographic technique is non-intrusive and requires no special transparent window region. Data are recorded simultaneously over a large area of interest. Image processing of the video data can be employed to measure bubble velocities and time-averaged and Instantaneous vapor fractions.

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15 p.

Creation Information

Glickstein, S.S.; Murphy, J.H. & Hammond, R.B. November 11, 1994.

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Description

Real-time neutron radiography has been used to study the dynamic behavior of two-phase flow and measure vapor fractions in a steam-water duct at atmospheric pressure. This unique experimental technique offers one the opportunity to observe and record on videotape now Patterns and transient behavior of two-phase flow inside opaque containers without perturbing the environment. The neutron radiographic technique is non-intrusive and requires no special transparent window region. Data are recorded simultaneously over a large area of interest. Image processing of the video data can be employed to measure bubble velocities and time-averaged and Instantaneous vapor fractions.

Physical Description

15 p.

Notes

INIS; OSTI as DE95003012

Source

  • ASME meeting on flow visualization and image processing of multiphase systems, Hilton Head, SC (United States), Aug 1995

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  • Other: DE95003012
  • Report No.: WAPD-T--3042
  • Report No.: CONF-950835--1
  • Grant Number: AC11-93PN38195
  • Office of Scientific & Technical Information Report Number: 62625
  • Archival Resource Key: ark:/67531/metadc696300

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  • November 11, 1994

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  • Aug. 14, 2015, 8:43 a.m.

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  • Nov. 30, 2015, 12:55 p.m.

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Glickstein, S.S.; Murphy, J.H. & Hammond, R.B. Vapor fraction measurements in a steam-water duct at atmospheric pressure using neutron radiography, article, November 11, 1994; United States. (digital.library.unt.edu/ark:/67531/metadc696300/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.