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Detailed Experimental Survey of the Transonic Flow Field in a Rotating Annular Turbine Cascade

Giess, P.-A. and Kost, F. (1997) Detailed Experimental Survey of the Transonic Flow Field in a Rotating Annular Turbine Cascade. In: 2nd European Conference on Turbomachinery - Fluid Dynamics and Thermodynamics , March 5-7, 1997, pp. 217-224.

Full text not available from this repository.

Abstract

An annular cascade of turbine profiles was tested in the wind tunnel for rotating cascades at DLR, Goettingen. In this facility investigations of the relative flow through a rotor cascade were done while the absolute inlet flow is purely axial and the relative inlet flow is determined by the circumferential speed of the rotor corresponding to the velocity triangles. Detailed experimental research concerning the 3-D flow field was carried out using an L2F-velocimeter and pneumatic probes; the flow field under investigation was determined by the isentropic downstream Mach number at midspan (Ma/2is &#61 1.1). First, at midspan local flow quantities (mean velocity, angle, Reynolds shear stress, turbulence intensity) were obtained using laser velocimetry. Additionally the static pressure on the blade surface was determined at 48 positions. The homogeneous flow quantities (velocity, flow angle, losses) were taken at four axial.

Document Type:Conference or Workshop Item (Paper)
Additional Information: institution=Decupere, R.; Dibelius, G., LIDO-Berichtsjahr=1997,
Title:Detailed Experimental Survey of the Transonic Flow Field in a Rotating Annular Turbine Cascade
Authors:
AuthorsInstitution or Email of Authors
Giess, P.-A.UNSPECIFIED
Kost, F.UNSPECIFIED
Date:1997
Journal or Publication Title:2nd European Conference on Turbomachinery - Fluid Dynamics and Thermodynamics , March 5-7, 1997
Page Range:pp. 217-224
Status:Published
Keywords:Rotating annular cascades, 3-D measurements, static pressure measurements on the blade surface within the rotating frame of reference, probe traverses in radial direction,
HGF - Research field:UNSPECIFIED
HGF - Program:other
HGF - Program Themes:E - no assignement
DLR - Research area:UNSPECIFIED
DLR - Program:E - no assignement
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik > Institut für Experimentelle Strömungsmechanik
Deposited By: elib DLR-Beauftragter
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:09

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