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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 18 — Aug. 27, 2012
  • pp: 20318–20329

Volume flow calculations on gas leaks imaged with infrared gas-correlation

Jonas Sandsten and Martin Andersson  »View Author Affiliations


Optics Express, Vol. 20, Issue 18, pp. 20318-20329 (2012)
http://dx.doi.org/10.1364/OE.20.020318


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Abstract

Two methods for volume flow calculation from images of methane leakages to the atmosphere are presented. The images contain calibrated gas concentration × path length pixel information, and are processed with a block matching method and a theoretical velocity field method. Results from known methane flow in two laboratory setups and one unknown real leakage from a gas processing plant are compared with the image processing methods. The methods are generic and can be implemented in common infrared systems for gas visualization. This work provides a new tool for estimating and reporting volume flow emissions from gas processing plants to the authorities.

© 2012 OSA

OCIS Codes
(040.3060) Detectors : Infrared
(110.3080) Imaging systems : Infrared imaging
(280.1120) Remote sensing and sensors : Air pollution monitoring
(300.6340) Spectroscopy : Spectroscopy, infrared

ToC Category:
Remote Sensing

History
Original Manuscript: May 23, 2012
Revised Manuscript: July 12, 2012
Manuscript Accepted: July 31, 2012
Published: August 20, 2012

Citation
Jonas Sandsten and Martin Andersson, "Volume flow calculations on gas leaks imaged with infrared gas-correlation," Opt. Express 20, 20318-20329 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-18-20318


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