Hernan Victor Arrieta
MTU Aero Engines
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Publication
Featured researches published by Hernan Victor Arrieta.
ASME Turbo Expo 2009: Power for Land, Sea, and Air | 2009
Hans Peter Borufka; Hernan Victor Arrieta; Andreas Hartung
This paper describes a new mechanical damping device for hollow airfoils. The concept combines cooling and damping systems in one single element. Damping is achieved by frictional contact between an insert and specially selected contact locations on internal airfoil surfaces. The mechanical damping system is optimized for the first torsion mode of a shroud-less turbine blade and leads to very high damping effectiveness. In parallel an acceptable damping of the first flap mode was observed. In addition studies indicating the role of main parameters such as friction coefficient, excitation amplitude, geometry and location of damper elements are presented.Copyright
Archive | 2010
Hans-Peter Borufka; Frank Stiehler; Hernan Victor Arrieta; Patrick Prokopczuk; Joachim Lorenz
Archive | 2010
Hernan Victor Arrieta; Hans-Peter Borufka; Joachim Lorenz; Patrick Prokopczuk; Frank Stiehler
Archive | 2007
Hernan Victor Arrieta; Hans-Peter Borufka; Andreas Hartung
Archive | 2007
Hernan Victor Arrieta
Archive | 2007
Hernan Victor Arrieta; Rolf Kleinstueck; Paul Storm; Peter Wiedemann
Archive | 2012
Hans Peter Borufka; Hernan Victor Arrieta; Andreas Hartung; Ulrich Retze
Archive | 2009
Eberhard Knodel; Hans-Peter Borufka; Hernan Victor Arrieta
Archive | 2009
Hans-Peter Borufka; Hernan Victor Arrieta; Klemens Hain
Archive | 2007
Hernan Victor Arrieta; Rolf Kleinstück; Paul Storm; Peter Wiedemann