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Proceedings Paper

The glass prism: using the infrared rainbow to solve glass production problems
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Paper Abstract

Glass production processes cover a wide range of temperatures, from room temperature to over 1600°C. Non-contact thermal imaging is well suited to gather temperature information about these processes, especially where contact temperature methods will disturb the process or will not survive the harsh environment. For a given process, the type of information gathered depends strongly on the infrared wavelengths used in the detector. With hot glass, shorter IR wavelengths (NIR and SWIR) typically reveal information about the interior temperatures of the glass, while longer wavelengths (MWIR and LWIR) reveal information about the surface temperatures. For molds, plungers, and other glass-forming equipment, shorter wavelengths reveal surface temperatures, while longer wavelengths tell more about reflectivity and wear of the surfaces. Combining information from different parts of the IR spectrum gives us a more complete picture of heat transfer during glass production. This, in turn, allows us to understand and solve more complex production problems.

Paper Details

Date Published: 1 April 2003
PDF: 10 pages
Proc. SPIE 5073, Thermosense XXV, (1 April 2003); doi: 10.1117/12.487770
Show Author Affiliations
Joseph Michael Heer, Thomson Inc. (United States)
L. Terry Clausing, Drysdale & Associates, Inc. (United States)


Published in SPIE Proceedings Vol. 5073:
Thermosense XXV
K. Elliott Cramer; Xavier P. Maldague, Editor(s)

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