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Combustion Science and Technology Volume 188, 2016 - Issue 3
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Short Communication

Experimental Studies of Magnetic Effect on Methane Laminar Combustion Characteristics

Wen-fei WuKey Laboratory of Integrated Exploration of Bayun Obo Multi-Metal Resources, Baotou, Inner Mongolia Autonomous Region, China;School of Energy & Environment, Inner Mongolia University of Science & Technology, Baotou, Inner Mongolia Autonomous Region, ChinaCorrespondence[email protected]
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Jian QuKey Laboratory of Integrated Exploration of Bayun Obo Multi-Metal Resources, Baotou, Inner Mongolia Autonomous Region, China;School of Energy & Environment, Inner Mongolia University of Science & Technology, Baotou, Inner Mongolia Autonomous Region, ChinaView further author information
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Kai ZhangKey Laboratory of Integrated Exploration of Bayun Obo Multi-Metal Resources, Baotou, Inner Mongolia Autonomous Region, China;School of Energy & Environment, Inner Mongolia University of Science & Technology, Baotou, Inner Mongolia Autonomous Region, ChinaView further author information
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Wei-peng ChenKey Laboratory of Integrated Exploration of Bayun Obo Multi-Metal Resources, Baotou, Inner Mongolia Autonomous Region, China;School of Energy & Environment, Inner Mongolia University of Science & Technology, Baotou, Inner Mongolia Autonomous Region, ChinaView further author information
&
Bao-wei LiKey Laboratory of Integrated Exploration of Bayun Obo Multi-Metal Resources, Baotou, Inner Mongolia Autonomous Region, ChinaView further author information
Pages 472-480 | Received 23 Jul 2015, Accepted 10 Nov 2015, Published online: 22 Feb 2016
 
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ABSTRACT

Influence of magnetic fields on the properties of methane laminar combustion was investigated experimentally. A high downward gradient of the square of the magnetic flux density was applied on methane laminar diffusion flame. The flame surface temperature and NOX concentration were measured by high-precision testing instruments. The flame size was analyzed by specific image raster analysis software. The results show that with the magnetic field intensity increasing, the flame dimensionless length decreases while the dimensionless width and flame temperatures increase. The gradient magnetic field exerts a great effect on the production of thermal NOX in the flame region under 35 mm due to the oxygen paramagnetic force. Compared to one gradient magnetic field, the concentration of NOX at least decreases by up to 60% on average.

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Funding

The investigation was financially supported by the Inner Mongolia Program Projects of Application Technology Research and Development Fund (20130310), and Inner Mongolia Program Projects of University Innovation Research Team (NMGIRT1406).

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