Eventos Anais de eventos
COBEM 2023
27th International Congress of Mechanical Engineering
Analysis of the torsional vibration in rotodynamics
Submission Author:
Natália Rie Horikawa , MG
Co-Authors:
Natália Rie Horikawa, Gladson Willian Pereira Rodrigues, Álisson Carlos Souza Rodrigues, Paulo Cezar Büchner, Alexandre Martins Reis, Charles Luís da Silva, Adiel Pessôa, Geice Paula Villibor
Presenter: Geice Paula Villibor
doi://10.26678/ABCM.COBEM2023.COB2023-0567
Abstract
Rotodynamics is a branch of mechanical engineering that deals with the analysis and design of rotating machinery, such as pumps, turbines, and compressors. One of the main challenges in rotodynamic design is torsional vibration, which is a type of vibration that occurs when the twisting motion of a rotating shaft interacts with the stiffness and damping of the system. Torsional vibration can cause significant damage to the system, including fatigue failure, bearing damage, and couplings failure, leading to downtime and costly repairs. To mitigate this phenomenon, several techniques have been developed, including the use of damping devices, flexible couplings, and torsional vibration neutralizers. Torsional vibration is a complex phenomenon that can be difficult to measure accurately by indirect way. This type of vibration has a main challenge, which is the torsional vibration itself, which one occurs in rotational direction, and the vibration energy is typically transmitted through the shaft rather than the structure surrounding the system. In fact, the torsional vibrations waves have low intensity in lateral and axial directions, because of this, the sensors are not able to detect properly this phenomenon. The purpose of this work is to conduct a review of the fundamental principles of torsional vibration theory as the first step in the research effort. The comprehension of this phenomenon will permit subsequently explore potential solutions for the control of torsional vibration. On of this possibilities, for example, is the Micro Electro-Mechanical System technologies (MEMS). A prototype and a program routine in LabView/MatLab have implemented to analyze the acquired signal and manage the data, the results from this part of research will be presented in the next article.
Keywords
Critical Velocity, Holzer, Micro Electro-Mechanical, Signal Analysis
