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The use of a volatile liquid fuel to reduce cold-start emissions from a spark ignition engine

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posted on 17.04.2018 by Peter Cardani
As traffic density increases, there is growing urgency to reduce its polluting effect. Catalysts fitted to new vehicles, with spark ignition engines, are highly efficient at controlling harmful emissions once they have reached operating temperature. However, during a cold-start the catalyst is initially inactive, just when engine-out emissions are at their highest, mainly due to the fuel-rich mixtures used for reliable starting and good driveability, particularly at low ambient temperatures. As the population of vehicles fitted with catalysts grows, the significance of this cold-start and warm-up period of operation will increase. [Continues.]

History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Aeronautical and Automotive Engineering

Publisher

© P. Cardani

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

1997

Notes

A Master's Thesis. Submitted in partial fulfilment of the requirements for the award of Master of Philosophy at Loughborough University.

Language

en

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