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A test rig for investigations of gas turbine combustor cooling concepts under realistic operating conditions

Behrendt, Thomas and Hassa, Christoph (2008) A test rig for investigations of gas turbine combustor cooling concepts under realistic operating conditions. Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 222, pp. 169-177. Professional Engineering Publishing. DOI: 10.1243/09544100JAERO288. ISSN 0954-4100.

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Abstract

In the current paper, a new test rig for the characterization of advanced combustor cooling concepts for gas turbine combustors is presented. The test rig is designed to allow investigations at elevated pressures and temperatures representing realistic operating conditions of future lean low emission combustors. The features and capabilities of the test rig in comparison to existing rigs are described. The properties of the hot gas flow are measured in order to provide the necessary data for a detailed analysis of the measured cooling effectivity of combustor wall test samples. Results of the characterization of the velocity and temperature distribution in the hot gas flow at the leading edge of the test sample at pressures up to p<=10 bar and near wall hot gas temperatures up to TF<= 1800 K are presented.

Document Type:Article
Title:A test rig for investigations of gas turbine combustor cooling concepts under realistic operating conditions
Authors:
AuthorsInstitution or Email of Authors
Behrendt, ThomasUNSPECIFIED
Hassa, ChristophUNSPECIFIED
Date:March 2008
Journal or Publication Title: Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:222
DOI:10.1243/09544100JAERO288
Page Range:pp. 169-177
Publisher:Professional Engineering Publishing
ISSN:0954-4100
Status:Published
Keywords:gas turbine, combustor cooling, test facility
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Propulsion Systems
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Combustion Chamber Technologies
Location: Köln-Porz
Institutes and Institutions:Institute of Propulsion Technology > Combustor
Deposited By: Dr.-Ing. Thomas Behrendt
Deposited On:14 Apr 2008
Last Modified:27 Apr 2009 14:53

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