Achieving Ultra Low NOX Emissions Levels with a 2017 Heavy-Duty On-Highway TC Diesel Engine and an Advanced Technology Emissions System - Thermal Management Strategies

The most recent 2010 emissions standards for heavy-duty engines have established a tailpipe limit of oxides of nitrogen (NOX) emissions of 0.20 g/bhp-hr. However, it is projected that even when the entire on-road fleet of heavy-duty vehicles operating in California is compliant with 2010 emission standards, the National Ambient Air Quality Standards (NAAQS) requirement for ambient particulate matter and Ozone will not be achieved without further reduction in NOX emissions. The California Air Resources Board (CARB) funded a research program to explore the feasibility of achieving 0.02 g/bhp-hr NOX emissions. This paper details the thermal management strategies employed by the engine and supplemental exhaust heat addition device as was needed to achieve Ultra-Low NOX levels on a heavy-duty diesel engine with an advanced technology aftertreatment solution Further development is necessary for optimizing vocational test cycle emissions, but the results presented here demonstrate a potential pathway to achieving ultra-low NOX emissions on future heavy duty vehicles.

• Record URL:
  https://doi.org/10.4271/2017-01-0954
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/19463936
• Supplemental Notes:
  • Abstract reprinted with permission of SAE International.
• Authors:
  • Sharp, Christopher
  • Webb, Cynthia C
  • Neely, Gary
  • Carter, Michael
  • Yoon, Seungju
  • Henry, Cary
• Conference:
  • WCX™ 17: SAE World Congress Experience
  • Location: Detroit Michigan, United States
  • Date: 2017-4-4 to 2017-4-6
• Publication Date: 2017-3-28

Language

• English

Media Info

• Media Type: Web
• Features: Photos; References; Tables;
• Pagination: pp 1697-1712
• Serial:
  • SAE International Journal of Engines
  • Volume: 10
  • Issue Number: 4
  • Publisher: SAE International
  • ISSN: 1946-3936
  • EISSN: 1946-3944
  • Serial URL: http://saeeng.saejournals.org/

Subject/Index Terms

• TRT Terms: Compression ignition engines; Diesel engines; Emission control systems; Heavy duty vehicles; Nitrogen oxides; Pollutants; Standards; Thermal stability
• Identifier Terms: California Air Resources Board; National Ambient Air Quality Standards
• Geographic Terms: California
• Subject Areas: Environment; Highways; Vehicles and Equipment;

Filing Info

• Accession Number: 01642524
• Record Type: Publication
• Source Agency: SAE International
• Report/Paper Numbers: 2017-01-0954
• Files: TRIS, SAE
• Created Date: Mar 29 2017 4:45PM