Performance Of A Urea SCR System Combined With Variable Injection Timings Of A Diesel Engine To Reduce NOx Emissions
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 6
Abstract
The control of emissions in internal combustion engines can be achieved either by controlling combustion or by treating the exhaust gas. The latter was comparatively easy since there is less or no need to modify the engine itself. One such after treatment method is selective catalytic reduction(SCR). i.e., reduction of a particular emission based on the type of engine used. In diesel engine production of NOx is high comparatively HC and CO emissions, which needs development and up gradation of the engine to reduce NOX emissions by using selective catalytic reduction technique. In this system cerium oxide used as both pre –oxidation and SCR catalyst due to it is inexpensive and gives good results than Nobel metal catalyst. This analysis carried by varying the injection timings (210,230and250CAD)as retarding and advancing at 200 bar injection pressure at normal operating conditions and their effects on the performance and emission characteristics of engine are discussed.
Authors and Affiliations
N. V. Tulasiram, G. Logachander
Keywords
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- EP ID EP22243
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