NUMERICAL AND EXPERIMENTAL STUDY OF THE AERODYNAMIC AND AEROELASTIC PERFORMANCE OF A LOW PRESSURE TURBINE

Loris Simonassi, Manuel Zenz, Franz Heitmeir, Andreas Marn, Peter Leitl, Richard Benauer

Publikation: Beitrag in Buch/Bericht/KonferenzbandBeitrag in einem KonferenzbandBegutachtung

Abstract

This work presents the results of an experimental and numerical investigation conducted in the framework of a project focused on the influence of inlet distortions on the aeroelastic and aerodynamic performance of a low pressure turbine.
The measurements were carried out in the subsonic test turbine facility at the Institute of Thermal Turbomachinery and Machine Dynamics at Graz University of Technology. Flow measurements were performed by means of five-hole-probe. In addition, a telemetry system in combination with strain gauges was applied to acquire the rotor blades vibration data.
The numerical investigation was carried out at Bionic Surface Technologies Gmbh employing the commercial tool ANSYS CFX. Reynolds-Averaged Navier-Stokes (RANS) equations were used for solving the flow-field. For the flutter analysis, the modal shapes of the rotor blades were calculated by pre-stressed modal analysis in ANSYS Mechanical and the aeroelastic solution was computed for different Inter Blade Phase Angles (IBPA).
Originalspracheenglisch
TitelProceedings of 13th European Conference on Turbomachinery Fluid dynamics & Thermodynamics ETC13, April 8-12, 2018; Lausanne, Switzerland
PublikationsstatusVeröffentlicht - 2019
Veranstaltung13th European Turbomachinery Conference: ETC13 - Lausanne, Schweiz
Dauer: 8 Apr. 201912 Apr. 2019

Konferenz

Konferenz13th European Turbomachinery Conference
KurztitelETC13
Land/GebietSchweiz
OrtLausanne
Zeitraum8/04/1912/04/19

ASJC Scopus subject areas

  • Luft- und Raumfahrttechnik

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