Lu, G. and Yan, Y. and Bheemul, H.C. (2001) Concurrent Measurement of Temperature and Soot Concentration of Pulverised Coal Flames. In: Proceedings Of The 18th Ieee Instrumentation And Measurement Technology Conference, Vols 1-3 - Rediscovering Measurement In The Age Of Informatics. IEEE instrumentation & measurement technology conference, Proceedings, 2. IEEE, 345 E 47th St, New York, NY 10017 USA, USA pp. 1221-1226. ISBN 0-7803-6646-8 .
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This paper-presents a novel instrumentation system for the concurrent measurements of temperature and soot concentration of pulverised coal flames. The system operates upon the two-colour principle combining advanced optical sensing and digital image processing techniques. The temperature of aflame is calculated from the ratio between the grey-levels of corresponding pixels within two images captured at two different wavelengths. The soot concentration of the flame is estimated using the KL factor which is derived from the intermediate information obtained during the temperature measurement. The prototype system has been evaluated on a 0.5 MWth coal-fired furnace. Experimental results obtained show that the system is capable of measuring the instantaneous, two-dimensional distributions of the temperature and soot concentration of the flame with a reasonable accuracy.
|Item Type:||Conference or workshop item (Paper)|
|Uncontrolled keywords:||Digital imaging, flame, pulverized coal, soot concentration, temperature.|
|Subjects:||T Technology > TA Engineering (General). Civil engineering (General) > TA166 Instrumentation|
|Divisions:||Faculties > Science Technology and Medical Studies > School of Engineering and Digital Arts > Instrumentation, Control and Embedded Systems|
|Depositing User:||Yiqing Liang|
|Date Deposited:||26 Sep 2009 14:49|
|Last Modified:||09 May 2012 08:53|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/6531 (The current URI for this page, for reference purposes)|
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