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Proceedings Paper

Fiber Optic Non-Contact Temperature Probe System
Author(s): D. Varshneya; J W Berthold
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Paper Abstract

We have designed and developed a fiber optic temperature probe system for insitu measurement of temperature-time history of individual coal particles. These coal particles are located in a fixed bed combustor operated at high temperatures from 700 to 1100°C. The temperature range of a particle probed with this system is 250 to 1200°C. Other major features of the system include fast response time, which is of the order of 30 msec. The probe is used in-situ so that real time temperature information is not lost. Because the probe does not contact the target coal particle, the temperature field of the target is not disturbed. With these capabilities, precise temperature-time history of coal combustion may be obtained.

Paper Details

Date Published: 28 April 1987
PDF: 6 pages
Proc. SPIE 0718, Fiber Optic and Laser Sensors IV, (28 April 1987); doi: 10.1117/12.937508
Show Author Affiliations
D. Varshneya, Teledyne Ryan Electronics (United States)
J W Berthold, Babcock and Wilcox Research and Development Division (United States)


Published in SPIE Proceedings Vol. 0718:
Fiber Optic and Laser Sensors IV
Ramon P. DePaula; Eric Udd, Editor(s)

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