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LNT focus group mission:

The LNT Focus Group is one of three planned technical collaborative groups operating under the Crosscut Lean Exhaust Emissions Reduction Simulation (CLEERS) program. CLEERS is an activity of the DOE Diesel Crosscut Team and is described at http://cleers.org. The purpose of the LNT Focus Group is to collaborate in the development of LNT simulation science. In order to promote understanding of the LNT technology, the focus group will:

• Define simulation approaches (kinetic, physical and numerical) that the participants could implement and test within their own simulation systems
• Identify validation experimental data sets such as reactor and engine data to refine the simulation approaches
• Further the technical discussions by publishing the results of its collaborations on the CLEERS website and in refereed journals in a timely fashion

This technical collaboration will be facilitated by regular web meeting (approximately monthly) and several face-to-face meetings per year. In addition to the technical collaborations, these discussions will:

• Be a sounding board to address and evaluate LNT technical issues as they arise
• Share the latest pre-competitive technical information
• Identify to government funding agencies the most fruitful areas for supported research
• Generate input for the CLEERS emissions control database
• Facilitate additional collaborations among Crosscut members, national labs, universities, and emissions component suppliers

Regular members of the LNT Focus Group are drawn from the Crosscut Team, but non-Crosscut members (e.g., universities and component suppliers) can also participate under Crosscut member sponsorship. Two co-leaders who will be the primary contact for technical coordination and meeting planning head the Focus Group. Net meeting and web services will be provided through the CLEERS computer and website at Oak Ridge National Lab (ORNL).

Benefits to the participants include:

• Access to non -proprietary validation data and simulations to provide a technology wide benchmark for simulation
• A non-competitive forum for communication of device technology issues and concerns
• Facilitated collaborations (possibly proprietary) with other focus group members (esp. national labs and universities)
• Reduced need for companies to maintain broad in-house expertise on all aspects of the associated fundamental science

Participation does not require any funds-in, but each participant is expected to provide regular, contributions of data, technical analysis, or feedback on the usefulness/validity of information presented by others. Participation should be a corporate decision to facilitate these exchanges.

Action Items:

• Management review of participation
• Identification of a technical point-of-contact
• Internal agreement on an expedited information clearance procedure to facilitate information sharing at the monthly technical net meetings

Co-Leaders:

Stuart Daw, Oak Ridge National Laboratory
Dick Blint, General Motors

Members:

Stuart Daw, ORNL
Charles Salter, Mack Powertrain
Neal Currier, Cummins, Inc.
Kevin Sisken, Detroit Diesel Corp
Dennis Endicott, Caterpillar Inc.
John Hoard, Ford Motor Co
Richard Blint, GM
Yongsheng He, GM
Anthony Mcdaniel, Sandia National Laboratories
Josh Driscoll, Caterpillar, Inc.
Edward Jobson, Mack/Volvo
Aleksey Yezerets, Cummins, Inc.
Houshun Zhang, Detroit Diesel Corp
Chris Rutland, University of WIsconsin
Bruce Bunting, Oak Ridge National Lab
Joe Kubsh, MECA
Kalyana Chakravart, Oak Ridge National Laboratory
Chuck Peden, Pacific Northwest National Labora
Jan Harmsen, Ford Motor Company
Lotta Holmgren, Volvo Technology
Andrea Strzelec, University of Wisconsin
Charles Moulis, US EPA
Vitaly Prikhodko, Oak Ridge National Laboratory
Jonathan Male, PNNL
Louise Olsson, Chalmers University of Technology
Paul Laing, Ford Motor Company
Sreekanth Pannala, ORNL
Joseph Bonadies, Delphi
Cheon Yoon, Oak Ridge National Laboratory
Jae-Soon Choi, Oak Ridge National Laboratory
Ashok Gopinath, GM R&D India Science Lab

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