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Technical Briefs

Laminar Flame Velocity of Syngas Fuels

[+] Author and Article Information
Bidhan Dam, Vishwanath Ardha

Center for Space Exploration Technology Research, Department of Mechanical Engineering, University of Texas El Paso, El Paso, TX 79968

Ahsan Choudhuri

Center for Space Exploration Technology Research, Department of Mechanical Engineering, University of Texas El Paso, El Paso, TX 79968ahsan@utep.edu

J. Energy Resour. Technol 132(4), 044501 (Nov 23, 2010) (5 pages) doi:10.1115/1.4002762 History: Received April 16, 2010; Revised September 22, 2010; Published November 23, 2010; Online November 23, 2010

In this present study, burning velocities of H2CO mixtures (primary constituents of syngas fuels) are measured. Impact of different burner systems, H2 concentration, and different measurement techniques on the burning velocities of H2CO mixtures are discussed. The burning velocities of H2CO mixtures increase as the H2 contents in the mixture increase. Even with different burner systems using different methods, the burning velocities are aligned in the lean condition, but at rich conditions, they deviate from each other. The burning velocities of actual syngas compositions (based on different sources of coal) are also measured and analyzed. It was found that the effect of carbon dioxide had a more dominating role compared with nitrogen on the burning velocities.

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Copyright © 2010 by American Society of Mechanical Engineers
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Figures

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Figure 1

Experimental setup: tubular burner

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Figure 3

Flame images with different techniques (top: direct imaging, middle: schlieren technique, and bottom: intensified imaging technique)

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Figure 4

Flat flame burner

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Figure 5

Laminar flame velocity comparison between different burner systems (30% H2+70% CO) using the direct imaging technique

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Figure 6

Comparison between different measurement techniques (30% H2+70% CO) with nozzle burner

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Figure 7

Comparison with other measurements (30% H2+70% CO) for the nozzle burner using the direct digital imaging technique

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Figure 8

Flame velocities at different mixture compositions measured for the nozzle burner using the direct imaging technique

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Figure 9

Effect of diluents on flame velocity measured for nozzle burner using the direct imaging technique

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Figure 10

Flame velocity of actual syngas compositions measured using the nozzle burner the direct imaging technique

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