This paper deals with the aerodynamic redesigning of a four-stage heavy-duty gas turbine. Traditional design tools, such as through-flow methods, as well as more sophisticated tools, such as three-dimensional RANS computations, were applied in subsequent steps according to a given hierarchical criterion. Each design or analysis tool was coupled with modern optimization techniques, and the overall redesign procedure relies on a neural-network-based approach aimed at maximizing the turbine's power output while satisfying geometrical and mechanical constraints. A detailed description of the redesign procedure is provided, and the aerodynamic characteristics of the optimized geometry are discussed and compared to the original ones.

Aerodynamic Redesigning of an Industrial Gas Turbine / F. Rubechini; A. Schneider; A. Arnone; F. Dacca'; C. Canelli; P. Garibaldi. - ELETTRONICO. - 7: Turbomachinery, Parts A, B, and C:(2011), pp. 1387-1394. (Intervento presentato al convegno ASME 2011 Turbo Expo: Turbine Technical Conference and Exposition tenutosi a Vancouver, BC, Canada nel 6-10 June) [10.1115/GT2011-46258].

Aerodynamic Redesigning of an Industrial Gas Turbine

RUBECHINI, FILIPPO;SCHNEIDER, ANDREA;ARNONE, ANDREA;
2011

Abstract

This paper deals with the aerodynamic redesigning of a four-stage heavy-duty gas turbine. Traditional design tools, such as through-flow methods, as well as more sophisticated tools, such as three-dimensional RANS computations, were applied in subsequent steps according to a given hierarchical criterion. Each design or analysis tool was coupled with modern optimization techniques, and the overall redesign procedure relies on a neural-network-based approach aimed at maximizing the turbine's power output while satisfying geometrical and mechanical constraints. A detailed description of the redesign procedure is provided, and the aerodynamic characteristics of the optimized geometry are discussed and compared to the original ones.
2011
Conference Proceedings
ASME 2011 Turbo Expo: Turbine Technical Conference and Exposition
Vancouver, BC, Canada
6-10 June
F. Rubechini; A. Schneider; A. Arnone; F. Dacca'; C. Canelli; P. Garibaldi
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/451453
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