Experimental Diagnostics for the Study of Combustion Instabilities in Lean Premixed Combustors

An improved understanding of the mechanisms of unstable combustion in lean premixed combustors is essential to the development of stable gas turbine combustion systems. To obtain such understanding, detailed experimental studies of the phenomenology of unstable combustion are required. A number of e...

Full description

Saved in:
Bibliographic Details
Published in:Journal of propulsion and power 2003-09, Vol.19 (5), p.735-750
Main Authors: Lee, J. G, Santavicca, D. A
Format: Article
Language:English
Subjects:
Acoustics
Combustion chambers
Gas turbines
Nuclear engineering
Turbines
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:An improved understanding of the mechanisms of unstable combustion in lean premixed combustors is essential to the development of stable gas turbine combustion systems. To obtain such understanding, detailed experimental studies of the phenomenology of unstable combustion are required. A number of experimental diagnostic techniques for characterizing unstable combustion and the underlying instability mechanisms are discussed. This includes techniques based on pressure, chemiluminescence emission, infrared absorption, and laser-induced fluorescence measurements. The techniques themselves are discussed briefly; however, the primary objective is to present and discuss results illustrating how these techniques can be used to characterize the mechanisms of unstable combustion, to gain an improved understanding of unstable combustion, and to develop strategies for suppressing unstable combustion in lean premixed gas turbine combustors. (Author)
ISSN:0748-4658
1533-3876
DOI:10.2514/2.6191