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

Cavity ringdown and laser-induced incandescence measurements of soot

Not Accessible

Your library or personal account may give you access

Abstract

Currently laser-induced incandescence (LII) is widely used for the measurement of soot volume fraction. A particularly important aspect of the technique that has received less attention, however, is calibration. The applicability of cavity ringdown (CRD) for measurement of soot volume fraction f v is assessed, and the calibration of LII by means of CRD is demonstrated. The accuracy of CRD for f v determination is validated by comparison with traditional light extinction and path-integrated LII. By use of CRD, the quantification of LII for parts in 109 (ppb) f v levels is demonstrated. Results are presented that demonstrate the accuracy of CRD for a single laser pulse to be better than ±5% for measurement of ppb soot volume-fraction levels over a 1-cm path length. By use of CRD, spatially resolved LII signals from soot within methane–air diffusion flames are calibrated for ppb f v levels, thereby avoiding the extrapolation required of less sensitive methods in current use.

© 1999 Optical Society of America

Full Article  |  PDF Article
More Like This
Absorption correction of two-color laser-induced incandescence signals for soot volume fraction measurements

Francesca Migliorini, Silvana De Iuliis, Francesco Cignoli, and Giorgio Zizak
Appl. Opt. 45(29) 7706-7711 (2006)

Laser-induced incandescence measurements of soot in turbulent pool fires

Kraig Frederickson, Sean P. Kearney, and Thomas W. Grasser
Appl. Opt. 50(4) A49-A59 (2011)

A calibration-independent laser-induced incandescence technique for soot measurement by detecting absolute light intensity

David R. Snelling, Gregory J. Smallwood, Fengshan Liu, Ömer L. Gülder, and William D. Bachalo
Appl. Opt. 44(31) 6773-6785 (2005)

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 (4)

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

Tables (1)

You do not have subscription access to this journal. Article tables 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 (5)

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