Millimeter-Wave Monitoring of Nuclear Waste Glass Melts - An Overview

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Molten glass characteristics of temperature, resistivity, and viscosity can be monitored reliably in the high temperature and chemically corrosive environment of nuclear waste glass melters using millimeter-wave sensor technology. Millimeter-waves are ideally suited for such measurements because they are long enough to penetrate optically unclear atmospheres, but short enough for spatially resolved measurements. Also efficient waveguide and optic components can be fabricated from refractory materials such as ceramics. Extensive testing has been carried out at a frequency of 137 GHz to temperatures up to 1500 C. Performance of refractory waveguides at high temperature has been shown to be satisfactory. A ... continued below

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Woskov, P. P.; Machuzak, J. S.; Thomas, P.; Sundaram, S. K. & Daniel, William E., Jr. June 1, 2002.

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Description

Molten glass characteristics of temperature, resistivity, and viscosity can be monitored reliably in the high temperature and chemically corrosive environment of nuclear waste glass melters using millimeter-wave sensor technology. Millimeter-waves are ideally suited for such measurements because they are long enough to penetrate optically unclear atmospheres, but short enough for spatially resolved measurements. Also efficient waveguide and optic components can be fabricated from refractory materials such as ceramics. Extensive testing has been carried out at a frequency of 137 GHz to temperatures up to 1500 C. Performance of refractory waveguides at high temperature has been shown to be satisfactory. A novel new method for viscosity monitoring has also been tested with simulated nuclear waste glasses. It has been shown that a viscosity range of over 30 to 3000 Poise can be monitored with one instrument. Results of these laboratory tests and the potential of millimeter-wave sensors for on-line glass process monitoring are presented.

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  • Other Information: PBD: 1 Jun 2002

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  • Report No.: EMSP-81897-2002
  • Grant Number: FG07-01ER62707
  • DOI: 10.2172/834816 | External Link
  • Office of Scientific & Technical Information Report Number: 834816
  • Archival Resource Key: ark:/67531/metadc786996

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • June 1, 2002

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  • Dec. 3, 2015, 9:30 a.m.

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  • April 21, 2016, 2:29 p.m.

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Woskov, P. P.; Machuzak, J. S.; Thomas, P.; Sundaram, S. K. & Daniel, William E., Jr. Millimeter-Wave Monitoring of Nuclear Waste Glass Melts - An Overview, report, June 1, 2002; United States. (digital.library.unt.edu/ark:/67531/metadc786996/: accessed November 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.