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Proceedings Paper

Measurement of SO2 and SO3 using a tunable diode laser system
Author(s): Timothy A. Berkoff; Joda C. Wormhoudt; R. C. Miake-Lye
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Paper Abstract

We describe the set-up and operation of a mid-infrared (lead- salt) tunable diode laser system used to measure SO2 and SO3 levels in the exhaust plume of an aircraft engine in an altitude test chamber. These measurements were part of an on-going effort to determine the sulfur emission and conversion of SO2 to SO3 in a representative exhaust under different altitudes, power conditions, and fuel sulfur loadings. Results obtained using this set-up demonstrate the ability to measure SO2 concentrations in the low ppmv range and the possibility of detecting SO3 when it is present at similar levels.

Paper Details

Date Published: 10 February 1999
PDF: 8 pages
Proc. SPIE 3534, Environmental Monitoring and Remediation Technologies, (10 February 1999); doi: 10.1117/12.339057
Show Author Affiliations
Timothy A. Berkoff, Aerodyne Research, Inc. (United States)
Joda C. Wormhoudt, Aerodyne Research, Inc. (United States)
R. C. Miake-Lye, Aerodyne Research, Inc. (United States)

Published in SPIE Proceedings Vol. 3534:
Environmental Monitoring and Remediation Technologies
Tuan Vo-Dinh; Robert L. Spellicy, Editor(s)

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