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Computation of the Unsteady Transonic Flow in Harmonically Oscillating Turbine Cascades Taking into Account Viscous Effects.

Grueber, B. and Carstens, V. (1996) Computation of the Unsteady Transonic Flow in Harmonically Oscillating Turbine Cascades Taking into Account Viscous Effects. In: American Society of Mechanical Engineers, Proceedings of the ASME Conference, Paper no. 96-GT-338. ASME Turbo-Expo, June 1996, Birmingham, U.K..

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Abstract

This paper presents the numerical results of a code for computing the unsteady transonic viscous flow in a two-dimensional cascade of harmonically oscillating blades. The flow field is calculated by a Navier-Stokes code, the basic features of which are the use of an upwind flux vector splitting scheme for the convective terms (Advection Upstream Splitting Method), an implicit time integration and the implementation of a mixing length turbulence model. For the present investigations two experimentally investigated cases have been selected in which the blades had performed tuned harmonic bending vibrations. The results obtained by the Navier- Stokes code are compared with experimental data, as well as with the results of an Euler method.

Item URL in elib:https://elib.dlr.de/39782/
Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1996, pages=11,
Title:Computation of the Unsteady Transonic Flow in Harmonically Oscillating Turbine Cascades Taking into Account Viscous Effects.
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Grueber, B.UNSPECIFIEDUNSPECIFIED
Carstens, V.UNSPECIFIEDUNSPECIFIED
Date:1996
Journal or Publication Title:American Society of Mechanical Engineers, Proceedings of the ASME Conference, Paper no. 96-GT-338
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:unsteady transonic cascade flow, oscillating cascade blades, comparison Euler/Navier-Stokes calculations, AUSA-Scheme
Event Title:ASME Turbo-Expo, June 1996, Birmingham, U.K.
HGF - Research field:UNSPECIFIED
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:L TT - Triebwerkstechnologien
DLR - Research theme (Project):UNSPECIFIED
Location: Göttingen
Institutes and Institutions:Institute of Aeroelasticity
Deposited By: DLR-Beauftragter, elib
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 10:54

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