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The most significant vehicle operating parameter for real-world emission levels

Samuel, S., Morrey, D., Fowkes, M., Taylor, D.H.C, Austin, L., Felstead, T.J. and Latham, S. (2004) The most significant vehicle operating parameter for real-world emission levels SAE 2004 Transactions, Journal of Fuels and Lubricants, July, pp. 407-425.

Record type: Article

Abstract

The present work investigated the real-world emission performance of a typical light-duty gasoline vehicle to identify the most significant vehicle operating parameter responsible for excessive real-world emission levels. Based upon tailpipe-out emission levels, two distinct portions in the engine maps could be identified; a clean portion of the map, which covers the engine operating points within the European legislative drive cycle, and an unclean portion of the map that is outside the legislative testing. A systematic investigation of the tailpipe-out emission levels for the real-world drive cycle showed that the levels of vehicle speed and acceleration are immaterial if the vehicle operating points remain within the cleaner zone of the engine map. The methodical approach followed to identify the most significant vehicle operating parameter responsible for the real-world emission levels is given in this paper.

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Published date: March 2004

Identifiers

Local EPrints ID: 53252
URI: http://eprints.soton.ac.uk/id/eprint/53252
PURE UUID: 421559d0-de55-452b-a65e-5ccad574e9f7

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Date deposited: 22 Jul 2008
Last modified: 17 Jul 2017 14:38

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Contributors

Author: S. Samuel
Author: D. Morrey
Author: M. Fowkes
Author: D.H.C Taylor
Author: L. Austin
Author: T.J. Felstead
Author: S. Latham

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