Calibration of a Fast Neutron Scattering Technique for Measurement of Void Fraction in Rod Bundles

[+] Author and Article Information
S. Banerjee, P. Yuen, M. A. Vandenbroek

Department of Engineering Physics, McMaster University, Hamilton, Ontario L8S 4M1, Canada

J. Heat Transfer 101(2), 295-299 (May 01, 1979) (5 pages) doi:10.1115/1.3450963 History: Received August 24, 1978; Online August 11, 2010


A technique based on scattering and transmission of fast neutron beams has been developed for measuring void fraction in two-phase flow through rod bundles. Experiments indicate that the scattered neutron flux varies linearly with void fraction and is largely independent of phase distribution. Measurements of the transmitted neutron flux have been used to determine phase distribution (or flow regime). The technique gives good sensitivity and count rates and appears suitable for void fraction and phase distribution measurements in transient flow boiling.

Copyright © 1979 by ASME
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