Sensors & Electronics
Physical Property Sensors
On-line Viscometer for Molten Glass (219)
Problem: Need in situ measurement method for molten glass in a melter over a significant temperature/viscosity range.
Project Activity Scope (from Technical Overview Chart): Mechanisms through Instruments
PNNL Solution:
- Developed concept for mm-wave viscosity measurement system
- Developed robust, high temperature waveguide for in situ measurements
- Assembled with mm-wave electronics
- Successfully demonstrated in situ measurements at temperatures of 800 to 1250°C (101-103 Poise viscosity)
- R&D100 Award winner
Capabilities Employed to Meet Client Needs: Knowledge of molten glass properties and melter designs; knowledge of mm-wave technology and measurement methods; knowledge of ceramic materials and performance at high temperatures; fabrication of high temperature ceramic waveguide for in situ viscosity probe; millimeter wave electronics and waveguide system development for molten glass evaluation in laboratory glass melter; test planning, performance, and analysis.
Selected Links to Related Information:
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Contact: SK Sundaram
