Experimental Study of Urea-SCR System Under Open-Loop Control Strategy

Qian Wang; Shuo Li; Jing Wang; Ping Qi

doi:10.4028/www.scientific.net/AMM.316-317.1183

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Experimental Study of Urea-SCR System Under Open-Loop Control Strategy
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 316-317Experimental Study of Urea-SCR System Under...

Experimental Study of Urea-SCR System Under Open-Loop Control Strategy

Abstract:

Open-loop control strategy of SCR urea injection system for MD/HD vehicle diesel engine is established firstly in this paper. Then the emission test is performed for a domestic diesel engine in test bench. Test results show that NO_X emissions of ESC and ETC are much lower than the limit values of National-IV emission regulation under a simple injection strategy. The results also show that the urea solution consumption accounts for only 5.8% of the fuel consumption. What’s more, the tests have been accumulated for achieving accurate matching between urea injection and diesel engine.

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Periodical:

Applied Mechanics and Materials (Volumes 316-317)

Pages:

1183-1187

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.316-317.1183

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Online since:

April 2013

Authors:

Qian Wang, Shuo Li, Jing Wang, Ping Qi

Keywords:

Bench Test, Diesel Engine, Open-Loop Control Strategy, SCR, Urea Injection Quantity

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