2013
DOI: 10.5916/jkosme.2013.37.5.500
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Analysis of an internal flow with multi-perforated tube geometry in an integrated Urea-SCR muffler

Abstract: This study reports a numerical analysis of the internal flow characteristics of the integrated urea-SCR muffler system with the various geometries of the multi-perforated tube which is set up between the muffler inlet and in front of SCR catalysts. The multi-perforated tube is generally used to disperse uniformly the urea-water solution spray and to make better use of the SCR catalyst, resulting in the increased NO x reduction and decreased ammonia slip. The effects of the multi-perforated tube orifice area ra… Show more

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