Abstract – Diagnostics of materials in high-temperature, optically inaccessible environments can be reliably achieved with millimeter-wave methods and components. A 137 GHz heterodyne receiver using a thermal return reflection (TRR) technique and ceramic waveguides tested to 1500°C have been used to demonstrate the capability to measure temperature, emissivity, viscosity, and salt layer formation in laboratory and pilot scale melter tests.
Revised: June 23, 2011 |
Published: December 31, 2004
Citation
Sundaram S.K., P.P. Woskov, and W.E. Daniel, Jr. 2004.Millimeter Wave Diagnostics of Materials and Melts. In Conference Digest of the 2004 Joint 29th International Conference on Infrared and Millimeter Waves and 12th International Conference on Terahertz Electronics, Sep 27-Oct 1 2004, Karlsruhe, Germany, 799-800. New York, New York:Institute of Electrical and Electronics Engineers Inc.PNNL-SA-43035.