Detection of carbon dioxide emissions from a diesel engine using a mid-infrared optical fibre based sensor

Jim Mulrooney, John Clifford, Colin Fitzpatrick, Elfed Lewis

Research output: Contribution to journalArticlepeer-review

Abstract

This paper describes an optical fibre based system suitable for monitoring the presence of carbon dioxide, "the Greenhouse gas", in the exhaust system of a motor vehicle. Conventional automotive pollution sensors fail to meet monitoring requirements as specified by the European Commission for various reasons. The design of this sensor using low cost and compact mid-infrared components, which make it suitable for insertion into a vehicle, is discussed. The response of the sensor to carbon dioxide supplied from a cylinder in the laboratory is presented. An initial measurement of the carbon dioxide concentration in the exhaust system of a commercial diesel engine using the optical fibre sensor is also presented.

Original languageEnglish
Pages (from-to)104-110
Number of pages7
JournalSensors and Actuators, A: Physical
Volume136
Issue number1
DOIs
Publication statusPublished - 1 May 2007

Keywords

  • Carbon dioxide
  • Diesel engine
  • Emissions
  • Mid-infrared
  • Optical fibre sensor

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