Experimental Investigation of NOx and CO Emissions from Fuel Rich-Lean Flame of Natural Gas

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NOx and CO emissions of fuel rich-lean flame of natural gas water heaters were experimentally investigated. Fuel-rich and fuel-lean flame with different air factors were analyzed separately. Emission of fuel-rich flame is CO whereas emission of fuel-lean is NOx, and fuel rich-lean ratio is the most important factor for NOx and CO emission. If fuel-rich flame α1 is changed with constant fuel-lean flame α2, NOx emission decreases and CO emission increases evidently. If α2 is changed with constant α1, NOx decreases slightly and CO increases initially and then decreases. Depressing fuel-lean flame can strengthen excess O2 diffusion to fuel-rich flame, and then reduces NOx and CO emissions.

Info:

Periodical:

Advanced Materials Research (Volumes 347-353)

Edited by:

Weiguo Pan, Jianxing Ren and Yongguang Li

Pages:

3821-3825

DOI:

10.4028/www.scientific.net/AMR.347-353.3821

Citation:

Y. Z. Cui et al., "Experimental Investigation of NOx and CO Emissions from Fuel Rich-Lean Flame of Natural Gas", Advanced Materials Research, Vols. 347-353, pp. 3821-3825, 2012

Online since:

October 2011

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Price:

$35.00

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