The exploitation of unsteady effects in turbomachinery as a way to enhance performance is a challenge that future design systems must cope with. In this work a time-accurate viscous solver was used to investigate on unsteady bladerows interaction in axial turbines. Such studies were aimed at providing physical insights into component interactions and at gaining performance benefits by introducing interaction-aware design tools. Applications of such concepts, concerning high-lift turbine flows and airfoil clocking in subsonic as well as in transonic conditions, will be presented and discussed.
Challenges in Predicting Row interaction Effects in Axial Turbines / A. Arnone; M. Marconcini; R. Pacciani; E. Spano. - ELETTRONICO. - (2003), pp. 1-14. (Intervento presentato al convegno 33rd AIAA Fluid Dynamics Conference and Exhibit tenutosi a Orlando, FL, USA nel 23-26 June) [10.2514/6.2003-3994].
Challenges in Predicting Row interaction Effects in Axial Turbines
ARNONE, ANDREA;MARCONCINI, MICHELE;PACCIANI, ROBERTO;
2003
Abstract
The exploitation of unsteady effects in turbomachinery as a way to enhance performance is a challenge that future design systems must cope with. In this work a time-accurate viscous solver was used to investigate on unsteady bladerows interaction in axial turbines. Such studies were aimed at providing physical insights into component interactions and at gaining performance benefits by introducing interaction-aware design tools. Applications of such concepts, concerning high-lift turbine flows and airfoil clocking in subsonic as well as in transonic conditions, will be presented and discussed.
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