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Proceedings Paper

Detection of the unburned methane in a 213-kW combustor by means of a portable diode laser gas analyzer
Author(s): Giuseppe Baldacchini; Luigi De Dominicis; Roberta Fantoni; Mariano Giorgi; Roberto Cipriani; Massimo D'Apice; Stefano Giammartini; Michele Marrocco
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Paper Abstract

12 In recent years a big effort has been made by gas turbine manufacturers in order to design industrial combustion apparata with high efficiency. Laser based diagnostic methods have become now a powerful tool for monitoring the performance of these devices. A portable high sensitive diode laser gas analyzer has been used to detect the unburned methane in the exhaust of a 213 kW combustor (General Electric DLE). The main features of the methane analyzer are a tunable diode laser operating at room temperature emitting radiation at 1.65 micrometers and a Chernin optical multipass cell. The gas analyzer is controlled by a computer program, which can supply real time concentration measurements. The latter characteristic coupled to its limited dimensions allow for in situ implementation of the spectroscopic tool.

Paper Details

Date Published: 13 February 2001
PDF: 8 pages
Proc. SPIE 4201, Optical Methods for Industrial Processes, (13 February 2001); doi: 10.1117/12.417389
Show Author Affiliations
Giuseppe Baldacchini, ENEA (Italy)
Luigi De Dominicis, ENEA (Italy)
Roberta Fantoni, ENEA (Italy)
Mariano Giorgi, ENEA (Italy)
Roberto Cipriani, ENEA (Italy)
Massimo D'Apice, ENEA (Italy)
Stefano Giammartini, ENEA (Italy)
Michele Marrocco, ENEA (Italy)

Published in SPIE Proceedings Vol. 4201:
Optical Methods for Industrial Processes
Stuart Farquharson, Editor(s)

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