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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 23 — Aug. 10, 2009
  • pp: 4625–4636

Determining the effect of species composition on temperature fields of tank flames using real-time holographic interferometry

Markus Gawlowski, Kerry E. Kelly, Laurie A. Marcotte, and Axel Schönbucher  »View Author Affiliations


Applied Optics, Vol. 48, Issue 23, pp. 4625-4636 (2009)
http://dx.doi.org/10.1364/AO.48.004625


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Abstract

Interference fringe fields and the visible flame field of a 50 mm diameter n-hexane tank flame were simultaneously measured using a real-time holographic interferometer with special image optics. An inhouse developed image processing method was applied to the holographic images to calculate the interference fringe order profiles. The effect of species composition on temperature profiles was studied by considering three different cases: using the measured species profiles, using an overall reaction mecha nism based on stoichiometric combustion, and by assuming that the flame consists of hot air. The results show that species composition has the largest effect on temperature fields in regions near the flame axis at lower axial distances. In the region of the plume zone, the flame consists primarily of hot air due to the increase in total entrained air.

© 2009 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(120.1740) Instrumentation, measurement, and metrology : Combustion diagnostics
(120.2880) Instrumentation, measurement, and metrology : Holographic interferometry
(120.6780) Instrumentation, measurement, and metrology : Temperature
(280.2470) Remote sensing and sensors : Flames
(090.5694) Holography : Real-time holography

ToC Category:
Holographic Interferometry

History
Original Manuscript: April 13, 2009
Revised Manuscript: July 20, 2009
Manuscript Accepted: July 22, 2009
Published: August 4, 2009

Citation
Markus Gawlowski, Kerry E. Kelly, Laurie A. Marcotte, and Axel Schönbucher, "Determining the effect of species composition on temperature fields of tank flames using real-time holographic interferometry," Appl. Opt. 48, 4625-4636 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-23-4625

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