Evaluation of digital image method to quantify opacity of stationary source plumes

Ke Du, Mark J. Rood, Byung J. Kim, Bill Franck, Kevin Mattison

Research output: Contribution to journalConference articlepeer-review

Abstract

Contrast and transmission based models were developed and used to quantify the opacities of plumes. A study developed a new in-situ digital-image method to quantify ambient plume opacity to remove human error and reduce the cost to monitor plume opacity on a regular basis. Average absolute errors between the in-stack transmissometer results and the contrast model results are <3% for opacities ranging from 0-20%, 0-40%, 0-60% and 0-100% for both white and black plumes. The average absolute error for results from the transmission model and the instack transmissometer is 2.4% for black plumes with opacity ranging from 0-90%.

Original languageEnglish (US)
Pages (from-to)747-759
Number of pages13
JournalProceedings of the Air and Waste Management Association's Annual Meeting and Exhibition
StatePublished - Dec 1 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

  • Image processing
  • Opacity
  • Plume
  • Visual air quality

ASJC Scopus subject areas

  • Engineering(all)

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