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Study of Flow and Combustion in a generic Combustor fuelled with prevaporized Kerosene using LES and FGM

Patangi, Pradeep and Sadiki, Amsimi and Janicka, Johannes and Hage, Michael and Dreizler, Andreas and van Oijen, J.A. and Hassa, Christoph and Heinze, Johannes and Meier, Ulrich (2011) Study of Flow and Combustion in a generic Combustor fuelled with prevaporized Kerosene using LES and FGM. In: VDI Berichte Verbrennung und Feuerungen, 25. Deutscher Flammentag. 25. Deutscher Flammentag, 14. -15. Sept. 2011, Karlsruhe, Deutschland.

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Gas turbine combustion systems are characterized by flows that typically involve various interacting phenomena. These include turbulence, mixing, mass and heat transfer, radiation and multiphase flow. The flows exhibit large scale structures and evolve in a highly unsteady manner, which remains inaccessible to today’s RANS methods widely used in many 3D CFD industrial simulation tools. Large eddy simulations are proven to be reliable tool for the description of complex flow phenomenon. This paper presents an LES based combustion model which enables to evaluate the formation of pollutants precisely in a gas turbine combustion chamber. The chemical reaction source is modeled following the flamelet generated manifolds (FGM) method. In order to evaluate the capability of the model for predicting combustion processes induced by complex real fuels, a single sector combustor (SSC) fuelled with pre-vaporized kerosene at 0.4 MPa is numerically analysed. To appraise the quality of LES predictions, comparisons against available experimental measurement data will be provided along with an analysis of the reliability of the results obtained. Predictions of the flow field and some flame characteristics show satisfactory agreement with the experimental findings. This demonstrates the reliable predictability of the advanced LES model proposed.

Item URL in elib:https://elib.dlr.de/71303/
Document Type:Conference or Workshop Item (Paper)
Title:Study of Flow and Combustion in a generic Combustor fuelled with prevaporized Kerosene using LES and FGM
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Patangi, PradeepU DarmstadtUNSPECIFIED
Sadiki, AmsimiU DarmstadtUNSPECIFIED
Janicka, JohannesU DarmstadtUNSPECIFIED
Hage, MichaelU DarmstadtUNSPECIFIED
Dreizler, AndreasU DarmstadtUNSPECIFIED
van Oijen, J.A.U EindhovenUNSPECIFIED
Date:14 September 2011
Journal or Publication Title:VDI Berichte Verbrennung und Feuerungen, 25. Deutscher Flammentag
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Keywords:Verbrennung, Kerosin
Event Title:25. Deutscher Flammentag
Event Location:Karlsruhe, Deutschland
Event Type:national Conference
Event Dates:14. -15. Sept. 2011
Organizer:Verein deutscher Ingenieure
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Propulsion Systems (old)
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Combustion Chamber Technologies (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Propulsion Technology > Combustor
Deposited By: Hassa, Dr.-Ing. Christoph
Deposited On:20 Oct 2011 17:50
Last Modified:09 Feb 2017 19:18

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