Estudo numérico sobre o balanceamento de rotores utilizando o método dos coeficientes de influência

Abstract

Rotors generally play an important role in the study of rotating machinery, being the main element of most mechanisms used in various sectors of the economy, such as: power generation, space mechanics, transportation, and industry in general. That said, despite the high demand for rotors on the market, the lack of uniformity in the structure of these items and the inevitable manufacturing tolerances mean that the phenomenon of unbalance becomes a recurring problem. With a focus on flexible rotors, this work is proposed to portray the importance of this study, and to present the main means and methods of analyzing and solving this problem, thus avoiding the vibrations and consequently the failures generated by this imbalance. With this problem in mind and with the aim of representing a real situation, the influence coefficient method is used to stabilize a system. Using finite elements, it was possible to model a rotor with real characteristics, use algorithms to represent the method used and evaluate the results using the graphs and tables generated.