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Effect of Expansion Tube Structure on Regeneration of Diesel Particulate Filter
Abstract:
The regeneration process is simulated under the condition of different expansion tubes by the established model on CFD technology. It turns out that, increasing expansion angle of the expansion tube does good to lower the maximum wall temperature and the axial temperature gradient during the DPF regeneration, while it makes the uniformity of the wall regeneration temperature worse. At the same time, the regeneration rate becomes slower and the radial maximum temperature gradient increases. This study makes great significance to the design and optimization of DPF device structure and prolonging the service life of DPF.
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15-20
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Online since:
December 2014
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© 2015 Trans Tech Publications Ltd. All Rights Reserved
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