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Low energy gamma ray attenuation in multiphase waterA gauging system is proposed to enable monitoring of slush density, solid-liquid interface, and slush level as well as its flow rate. It is based on the principle that the electromagnetic radiation mass attenuation coefficient of a multiphase chemical compound is constant for all relative phase concentrations. Results showing the essential constancy of mass attenuation coefficients for single-phase water vapor, liquid water, ice, and multiphase mixtures of water/ice are described.
Document ID
19910067266
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Singh, Jag J.
(NASA Langley Research Center Hampton, VA, United States)
Sprinkle, Danny R.
(NASA Langley Research Center Hampton, VA, United States)
Eftekhari, Abe
(Analytical Services and Materials, Inc. Hampton, VA, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1990
Subject Category
Propellants And Fuels
Meeting Information
Meeting: International Instrumentation Symposium
Location: Denver, CO
Country: United States
Start Date: May 6, 1990
End Date: May 10, 1990
Sponsors: ISA
Accession Number
91A51889
Distribution Limits
Public
Copyright
Other

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