Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Simultaneous in situ measurement of CO, H 2 O, and gas temperatures in a full-sized coal-fired power plant by near-infrared diode lasers

Not Accessible

Your library or personal account may give you access

Abstract

We present what is to our knowledge the first near-infrared diode-laser-based absorption spectrometer that is suitable for simultaneous in situ measurement of carbon monoxide, water vapor, and temperature in the combustion chamber (20-m diameter, 13-m path length) of a 600-MW lignite-fired power plant. A fiber-coupled distributed-feedback diode-laser module at 1.56 μm served for CO detection, and a Fabry-Perot diode laser at 813 nm was used to determine H2O concentrations and temperature from multiline water spectra. Despite severe light losses (transmission, <10-3) and strong background radiation we achieved a resolution of 1.9 × 10-4 (1σ) fractional absorption, equivalent to 200 parts in 106 by volume of CO (at 1450 K, 105 Pa) with 30-s averaging time.

© 2003 Optical Society of America

Full Article  |  PDF Article
More Like This
Single-ended mid-infrared laser-absorption sensor for simultaneous in situ measurements of H2O, CO2, CO, and temperature in combustion flows

Wen Yu Peng, Christopher S. Goldenstein, R. Mitchell Spearrin, Jay B. Jeffries, and Ronald K. Hanson
Appl. Opt. 55(33) 9347-9359 (2016)

In situ measurements of nitric oxide in coal-combustion exhaust using a sensor based on a widely tunable external-cavity GaN diode laser

Thomas N. Anderson, Robert P. Lucht, Soyuz Priyadarsan, Kalyan Annamalai, and Jerald A. Caton
Appl. Opt. 46(19) 3946-3957 (2007)

In situ combustion measurements of CO, H2O, and temperature with a 1.58-µm diode laser and two-tone frequency modulation

Jason J. Nikkari, Joanna M. Di Iorio, and Murray J. Thomson
Appl. Opt. 41(3) 446-452 (2002)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (11)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (1)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved