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RESEARCH PAPER

Energy Extraction From a Porous Media Reciprocal Flow Burner With Embedded Heat Exchangers

[+] Author and Article Information
Fabiano Contarin, William M. Barcellos, Alexi V. Saveliev, A. Kennedy Lawrence

Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, IL 60607

J. Heat Transfer 127(2), 123-130 (Mar 15, 2005) (8 pages) doi:10.1115/1.1844539 History: Received May 09, 2003; Revised October 27, 2004; Online March 15, 2005
Copyright © 2005 by ASME
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References

Figures

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Temperature profile formed in the perfectly insulated RFB: νg=0.3 m/s, Φ=0.35, τ =100 s
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Temperature profile formed in the RFB with radial heat losses: νg=0.3 m/s, Φ=0.35, τ =100 s
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Temperature profile in reactor with radial heat losses and lateral heat extraction: νg=0.3 m/s, Φ=0.35, τ =100 s
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Experimental RFB setup with reciprocating flow system
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Heat exchanger mounted at the terminal sections of a RFB
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Simulated and experimental temperature profiles obtained with the heat exchangers: νg=0.3 m/s, Φ=0.36, τ =100 s
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Influence of the heat exchangers on the experimental temperature profiles: νg=0.2 m/s, Φ=0.36, τ =100 s
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Influence of heat losses on the RFB temperature distribution. Numbers show heat losses coefficient β in the central zone of RFB.
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Influence of the equivalence ratio (numbers on the curves) on temperature distribution in the RFB, νg=0.2 m/s
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Experimental temperature distributions in the RFB recorded varying equivalence ratio of the supplied mixture, νg=0.3 m/s
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Effect of gas flow velocity variation (numbers on the curves) on temperature distribution in the RFB
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Experimental temperature distributions in the RFB recorded varying the input gas flow velocities, Φ=0.35
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Experimental exhausts temperatures as a function of equivalence ratio
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Experimental pollutant emissions as a function of time, Φ=0.15, νg=20 cm/s
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Experimental NO emissions as a function of equivalence ratio
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Experimental CO emissions as a function of equivalence ratio
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Experimental power output as a function of time
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Experimental efficiency of the heat extraction as a function of equivalence ratio
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Experimental and simulation results on the RFB efficiency

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