A nonintrusive auto-transformer technique for the measurement of void fraction

Winding low resistance wires around the tube of the test section in a method analogous to the auto-transformer winding was proved experimentally successful for the measurement of void fraction in the two-phase medium inside the tube. This novel technique is based upon the fact that the two-phase mix...

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Bibliographic Details
Published in:Experimental thermal and fluid science 1996, Vol.13 (2), p.92-97
Main Authors: KENDOUSH, A. A, SARKIS, Z. A
Format: Article
Language:English
Subjects:
Electric currents
Electric wire
Electromagnetic field measurement
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Instrumentation for fluid dynamics
Magnetic fields
Magnetic permeability
Mixtures
Multiphase and particle-laden flows
Nonhomogeneous flows
Physics
Transformer windings
Tubes (components)
Volume fraction
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Summary:Winding low resistance wires around the tube of the test section in a method analogous to the auto-transformer winding was proved experimentally successful for the measurement of void fraction in the two-phase medium inside the tube. This novel technique is based upon the fact that the two-phase mixture becomes the region for a magnetic field where any change in the void fraction produces a change in the permeability of the two-phase mixture. The present technique is suitable for two-phase flows, which are contained in nonmetallic tubes.
ISSN:0894-1777
1879-2286
DOI:10.1016/0894-1777(96)00016-7