Remote sensing measurements of NOx and PM emissions from light & heavy-duty diesels

  • Katey E. Lenox
  • , Al Akerman
  • , Curt W. Ayers
  • , Thang Q. Dam
  • , Shawn Goedeke
  • , Howard Haynes
  • , Ralph N. McGill
  • , Roger Richards
  • , John M. Storey
  • , Meng Dawn Cheng
  • , Marc Simpson
  • , Walt G. Fisher
  • , Eric A. Wachter

Research output: Contribution to journalConference articlepeer-review

Abstract

The development of prototype instruments to remotely and non-intrusively measure the NO x and particulate matter (PM) emissions from heavy-duty diesel trucks, was investigated. Chassis lab experiments were performed using a light-duty diesel vehicle and road testing was performed using the same light-duty diesel vehicle and 2 heavy-duty diesel vehicles. The prototype emissions monitoring instruments employ an ultraviolet (UV) absorption method to measure NO x and a modified LIDAR method to measure PM concentrations. The results show that NO x measurement technique has the spatial resolution to gather the data of interest, but enhancements will be needed to improve the temporal resolution for highway speeds.

Original languageEnglish
Pages (from-to)2675-2694
Number of pages20
JournalProceedings of the Air and Waste Management Association's Annual Meeting and Exhibition
StatePublished - 2004
EventProceedings of the A and WMA's 97th Annual Conference and Exhibition; Sustainable Development: Gearing Up for the Challenge - Indianapolis, IN, United States
Duration: Jun 22 2004Jun 25 2004

Keywords

  • Acoustic
  • Diesel emissions
  • Heavy-duty
  • LIDAR
  • Remote sensing
  • UV

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