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Flow and Combustion in Advanced Gas Turbine CombustorsAdvanced Laser Diagnostics for Understanding Turbulent Combustion and Model Validation

Flow and Combustion in Advanced Gas Turbine Combustors: Advanced Laser Diagnostics for... [This contribution is not an original publication but a report of cumulative work that was carried out within the framework of SFB 568. The work was published in different archival journals and figures and text passages have been taken from different journal articles as indicated by the references. The aim of this report is to present experiments in projects B1 and B3 for improving our understanding in turbulent combustion with a focus of turbulent flow and scalar fields as well as their mutual interactions. The report is restricted to generic gaseous turbulent flames that feature different characteristics important to practical applications. The methods presented here are feasible to study boundary conditions, flow and scalar fields and are based all on interactions between laser light and matter. Following a brief introduction, two target flames are discussed in Sect. 4.2. Sections 4.3 and 4.4 exemplify flow and scalar measurements. Section 4.5 discusses combined scalar/flow measurements that can significantly improve our understanding of turbulence-chemistry interactions. In Sect. 4.6 new developments based on high-repetition-rate imaging are highlighted. These diagnostics complement methods at low repetition rate commonly used to generate an understanding by statistical moments and probability density functions. High repetition rate imaging techniques presently are an emerging field. Although the most recent developments achieved in the funding period of the Collaborative Research Center are included to this report, near-future progress in this field will lead to even more interesting insights into combustion phenomena.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

Flow and Combustion in Advanced Gas Turbine CombustorsAdvanced Laser Diagnostics for Understanding Turbulent Combustion and Model Validation

Part of the Fluid Mechanics and Its Applications Book Series (volume 1581)
Editors: Janicka, Johannes; Sadiki, Amsini; Schäfer, Michael; Heeger, Christof
Böhm, B.; Geyer, D.; Gregor, M. A.; Heeger, C.; Nauert, A.; Schneider, C.; Dreizler, A.
Flow and Combustion in Advanced Gas Turbine Combustors — Sep 8, 2012
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Publisher
Springer Netherlands
Copyright
© Springer Science+Business Media Dordrecht 2013
ISBN
978-94-007-5319-8
Pages
93 –160
DOI
10.1007/978-94-007-5320-4_4
Publisher site
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Abstract

[This contribution is not an original publication but a report of cumulative work that was carried out within the framework of SFB 568. The work was published in different archival journals and figures and text passages have been taken from different journal articles as indicated by the references. The aim of this report is to present experiments in projects B1 and B3 for improving our understanding in turbulent combustion with a focus of turbulent flow and scalar fields as well as their mutual interactions. The report is restricted to generic gaseous turbulent flames that feature different characteristics important to practical applications. The methods presented here are feasible to study boundary conditions, flow and scalar fields and are based all on interactions between laser light and matter. Following a brief introduction, two target flames are discussed in Sect. 4.2. Sections 4.3 and 4.4 exemplify flow and scalar measurements. Section 4.5 discusses combined scalar/flow measurements that can significantly improve our understanding of turbulence-chemistry interactions. In Sect. 4.6 new developments based on high-repetition-rate imaging are highlighted. These diagnostics complement methods at low repetition rate commonly used to generate an understanding by statistical moments and probability density functions. High repetition rate imaging techniques presently are an emerging field. Although the most recent developments achieved in the funding period of the Collaborative Research Center are included to this report, near-future progress in this field will lead to even more interesting insights into combustion phenomena.]

Published: Sep 8, 2012

Keywords: Combustion laser diagnostics; Raman/Rayleigh; PIV; OH-PLIF; LDA

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