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Char Combustion: Measurement and Analysis of Particle Temperature Histories

Sahu, Ranajit and Northrop, Paul S. and Flagan, Richard C. and Gavalas, George R. (1988) Char Combustion: Measurement and Analysis of Particle Temperature Histories. Combustion Science and Technology, 60 (1-3). pp. 215-230. ISSN 0010-2202. doi:10.1080/00102208808923985.

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Single particle combustion experiments were carried out with 50-100 μm char particles derived from one lignite and one HVA bituminous coal. Reactor wall temperatures in the range 1050 K to 1450 K and oxygen partial pressures of 0.21 and 0.5 were used. The complete temperature-time histories of individual burning particles were measured using two-color optical pyrometry techniques. Apparent combustion rate parameters of the chars were then estimated using a model of single particle combustion and taking into account the random particle-to-particle property variation.

Item Type:Article
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URLURL TypeDescription
Flagan, Richard C.0000-0001-5690-770X
Gavalas, George R.0000-0003-1468-6835
Additional Information:© 1988 Gordon and Breach Science Publishers, Inc. Received December 14, 1987; in final form May 17, 1988. This work was supported by the U.S. Department of Energy under contract DE-AC2284FC70915. The authors also wish to thank Dr Yiannis Levendis for help with the pyrometry experiments.
Funding AgencyGrant Number
Department of Energy (DOE)DE-AC2284FC70915
Subject Keywords:Char, kinetics. combustion, pyrometry
Issue or Number:1-3
Record Number:CaltechAUTHORS:20151104-143221128
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:61851
Deposited By: Ruth Sustaita
Deposited On:05 Nov 2015 02:52
Last Modified:10 Nov 2021 22:54

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