A process control sensor for the glass industry. Phase 1, Extended development program [electronic resource]
The detailed analysis and testing of the modified sensing system is summarized by the following conclusions: Analyzer long term drift and short term noise improvements have resulted in inherent accuracies of about ± 1/2°C, about equivalent to the black body calibration source. Four different concept...
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| Online Access: |
Online Access |
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| Corporate Authors: | , |
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
United States. Dept. of Energy ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
1992.
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| Subjects: |
MARC
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| 245 | 0 | 2 | |a A process control sensor for the glass industry. Phase 1, Extended development program |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Dept. of Energy ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, |c 1992. | ||
| 300 | |a 58 p. : |b digital, PDF file. | ||
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| 500 | |a Published through the Information Bridge: DOE Scientific and Technical Information. | ||
| 500 | |a 08/01/1992. | ||
| 500 | |a "doe/id/12781--2" | ||
| 500 | |a "DE92019304" | ||
| 513 | |a Topical; |b 08/01/1992. | ||
| 520 | 3 | |a The detailed analysis and testing of the modified sensing system is summarized by the following conclusions: Analyzer long term drift and short term noise improvements have resulted in inherent accuracies of about ± 1/2°C, about equivalent to the black body calibration source. Four different concepts of heating elements were evaluated for use in an in-situ secondary calibration source. The use of a SiN igniter element shows some promise, but requires considerable development. The black body reference is the source of some of the apparent diurnal analyzer drift due to ambient temperature changes. The analyzer has strong ambient temperature sensitivities, specifically the detector and optical bench, which can be substantially mitigated with good internal temperature control (enclosure and detector). Pilot furnace tests using poorly degassed glasses resulted in data which makes conclusions regarding the effects of glass composition and gradient resolution impossible. The impact of bubble inclusions in the glass melt can yield a significant degradation in depth measurement capability as a result of Mei scattering from the bubbles. The degree of degradation depends on bubble size and number density. The above conclusions indicate the program has made significant progress towards correcting previously found deficiencies and has revealed the limitations of the pilot scale test program. Improvements in glass homogeneity, ambient temperature compensation and calibration techniques will offer a high probability of achievement of the accuracy goals in the Phase II program. | |
| 536 | |b FC07-89ID12781. | ||
| 650 | 7 | |a Experimental Data. |2 local. | |
| 650 | 7 | |a Temperature Measurement. |2 local. | |
| 650 | 7 | |a Sensitivity. |2 local. | |
| 650 | 7 | |a Temperature Gradients. |2 local. | |
| 650 | 7 | |a Glass Industry. |2 local. | |
| 650 | 7 | |a Bubbles. |2 local. | |
| 650 | 7 | |a Remote Sensing. |2 local. | |
| 650 | 7 | |a Calibration. |2 local. | |
| 650 | 7 | |a Accuracy. |2 local. | |
| 650 | 7 | |a Ceramic Melters. |2 local. | |
| 650 | 7 | |a Materials Science. |2 edbsc. | |
| 710 | 2 | |a Energy and Environmental Research Corporation. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Idaho Operations Office. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
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