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Content archived on 2024-05-29

Laser imaging of combustion instabilities

Objective

Laser based imaging in next generation low emission gas turbine combustors will be performed to elucidate the role of acoustically excited instabilities and to develop means for their active control and prevention. Lean premixed (IP) combustion offers very low emissions of pollutants such as NOx but is particularly prone to such instabilities. Instabilities result from a coupling of the flame's heat release to an acoustic resonance in the combustor, which, at worst, can lead to catastrophic engine failure. So far these problems severely limit the use of LP combustion concepts in aero-engine design despite their potential for low emissions.

The purpose of the present project is to measure important flame species, name temperature, and local fuel concentration using advanced laser diagnostics and to correlate this data with pollutant emissions and overall engine performance. The data will be compared to CFD calculations of the systems investigated and advanced active combustion control concepts will be tested. Measurements will be performed at the Cambridge UGTP (University Gas Turbine Partnership) on both model and industrial scale combustors and there will be access to some of the most advanced actively controlled combustion facilities available in Europe.

Fields of science (EuroSciVoc)

Keywords

Topic(s)

Call for proposal

FP6-2002-MOBILITY-5
See other projects for this call

Funding Scheme

EIF - Marie Curie actions-Intra-European Fellowships

Coordinator

THE CHANCELLOR, MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE
EU contribution
No data
Address
The Old Schools, Trinity Lane
CAMBRIDGE
United Kingdom
Total cost
No data