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Lucilene Silva, Tomas Grönstedt, Carlos Xisto, Luiz Whitacker, Cleverson Bringhenti and Marcus Lejon
The ratio between blade height and chord, named the aspect ratio (AR), plays an important role in compressor aerodynamic design. Once selected, it influences stage performance, blade losses and the stage stability margin. The choice of the design AR invo...
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Irina Filimonikhina,Viktor Deikun,Iryna Ienina,Mareks Mezitis,Vladimir Pirogov,Guntis Strautmanis,Sergij Yakimenko
Pág. 59 - 66
This paper reports the established conditions for static self-balancing for the case of an asymmetric rotor on two isotropic elastic supports, balanced by a passive automatic balancer of any type. In general, the plane of static imbalance does not coinci...
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Gennadiy Filimonikhin,Irina Filimonikhina,Vladimir Pirogov,Serhii Rahulin,Mykola Sadovyi,Guntis Strautmanis,Olena Tryfonova,Mykola Yakymenko
Pág. 50 - 57
Were found the conditions for occurrence of dynamic auto-balancing for the case of a rotor mounted on two elastic-viscous supports, balanced by two or more passive auto-balancers of any type.A modernized energy method has been applied under assumption th...
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Swith Claude Burgos Alconz,Grover Zurita V.
There is a steadily growing demand for reliable, versatile measurement rotor balancing system which can be used to determine the machine unbalances behavior. The effect of these causes are the increase of vibration amplitudes, causing damage to elements ...
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Jiayi Xie, Zhifeng Xie, Ming Zhou and Jun Qiu
The aerodynamic design of rotor blades is challenging, and is crucial for the development of helicopter technology. Previous aerodynamic optimizations that focused only on limited design points find it difficult to balance flight performance across the e...
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Fábio Lúcio Santos, Maria Lúcia Machado Duarte, Marcos Túlio Corrêa de Faria, Alexandre Carlos Eduardo
Pág. 151 - 157
This paper deals with an analytical model of a rigid rotor supported by hydrodynamic journal bearings where the plane separation technique together with the Artificial Neural Network (ANN) is used to predict the location and magnitude of the correction m...
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