A Study of LNT & Urea SCR on DPF System to Meet the Stringent Exhaust Emission Regulation Hyundai Motor Company

Format:

Conference/Event

Author/Creator:

Joo, Joo, author.

Contributor:

Kim, Seok-Jae

Lee, Jin Ha

Park, J. W. (Jin Woo)

Yoo, Seungbeom

Conference Name:

SAE 2014 International Powertrain, Fuels & Lubricants Meeting (2014-10-20 : Birmingham, United Kingdom)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 2014

Summary:

AbstractIn diesel engine development, the new technology is coming out to meet the stringent exhaust emission regulation. The regulation demands more eco-friendly vehicles. Euro6c demands to meet not only WLTP mode, but also RDE(Real Driving Emission). In order to satisfy RDE mode, the new technology to reduce emissions should cover all operating areas including High Load and High Speed. It is a big challenge to reduce NOx on the RDE mode and a lot of DeNOx technologies are being developed. So the new DeNOx technology is needed to cover widened operating area and strict acceleration / deacceleration. The existing LNT(Lean NOx Trap) and Urea SCR(Selective Catalytic Reduction) is necessary to meet the typical NEDC or WLTP, but the RDE mode demands the powerful DeNOx technology. Therefore, the LNT and Urea SCR on DPF was developed through this study. This complex new technology consists of new catalysts(to reduce emissions), insulation(to improve fuel economy, and catalytic performance), and logical controller(to control DeNOx and DePM strategy). This new technology is to improve the weak DeNOx performance and fuel penalty of LNT, and the fast heat-up issue of Urea SCR system. As this technology gathers the strong points of LNT and the Urea SCR system, it is able to meet the strengthened exhaust emission regulation. This study is the result to meet RDE mode and to make sure of fuel economy

Notes:

Vendor supplied data

Publisher Number:

2014-01-2810

Access Restriction:

Restricted for use by site license