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Reduction of Film Coolant at the Sidewall of the High Pressure Turbine Cascade T6.2

Woopen, Michael and Dannhauer, Axel (2011) Reduction of Film Coolant at the Sidewall of the High Pressure Turbine Cascade T6.2. DLR-Interner Bericht. DLR - IB 225 - 2011 A 03, 102 S.

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Abstract

This report documents the results of numerical experiments investigated with the help of the computational fluid dynamics solver TRACE which were performed along the sidewall of a plane turbine cascade considering four film cooling configurations with slot ejection. In doing so, two configurations which have been experimentally examined within two German research projects: AG-Turbo Plattformk¨uhlung I + II are adopted. Furthermore, the effect of a contoured slot taking the pressure distribution at the inlet region of the cascade sidewall into account is studied. The results are analyzed with respect to film cooling effectiveness and the surface heat transfer. The results are mainly influenced by the three-dimensional flow structures visualized with the stream-wise vorticity.

Item URL in elib:https://elib.dlr.de/74863/
Document Type:Monograph (DLR-Interner Bericht)
Title:Reduction of Film Coolant at the Sidewall of the High Pressure Turbine Cascade T6.2
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Woopen, MichaelUNSPECIFIEDUNSPECIFIED
Dannhauer, AxelUNSPECIFIEDUNSPECIFIED
Date:20 April 2011
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Number of Pages:102
Keywords:Turbine, Plane cascade, Sidewall, Secondary Flow, Film-Cooling, Cooling Slot, TRACE
Institution:Institut für Antriebstechnik
Department:Turbine
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 - Turbine Technologies (old)
Location: Göttingen
Institutes and Institutions:Institute of Propulsion Technology > Turbine
Deposited By: Giess, Dr.-Ing. Peter-Anton
Deposited On:13 Feb 2012 14:54
Last Modified:13 Feb 2012 14:54

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