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Title: Effects of hydrogen addition on high-pressure nonpremixed natural gas combustion
Authors: Wu, N.
McTaggart-Cowan, G.P.
Bushe, W.K.
Davy, Martin H.
Keywords: Autoignition
Nonpremixed jet
Pilot-ignition engine
Issue Date: 2010
Publisher: © Taylor & Francis
Citation: WU, N. et al., 2010. Effects of hydrogen addition on high-pressure nonpremixed natural gas combustion. Combustion Science and Technology, 183 (1), pp. 20-42.
Abstract: The effects of hydrogen addition on the ignition and combustion of a high-pressure methane jet in a quiescent charge of high-temperature, medium-pressure air were investigated numerically and experimentally. Subsequently, the results of these two fundamental studies were applied to the interpretation of combustion and emissions measurements from a pilot-ignited natural gas engine fueled with similar fuels. Whereas, under quiescent conditions, the influence of hydrogen addition on the autoignition delay time of the gaseous jet was small, a markedly greater effect was observed in the more complex environment of the research engine. Similarly, in the two fundamental studies, the addition of hydrogen to the methane fuel resulted in a reduction of NOx emissions, whereas increased levels of NOx emissions were observed from the engine, highlighting the difference between the autoignition and pilot-ignition process.
Description: This article was published in the journal Combustion Science and Technology [© Taylor & Francis] and the definitive version is available at: http://dx.doi.org/10.1080/00102202.2010.496381
Version: Accepted for publication
DOI: 10.1080/00102202.2010.496381
URI: https://dspace.lboro.ac.uk/2134/8788
Publisher Link: http://dx.doi.org/10.1080/00102202.2010.496381
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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