Eventos Anais de eventos
COBEM 2021
26th International Congress of Mechanical Engineering
ANALYSIS OF LOW FREQUENCY VIBRATIONS IN HERMETIC COMPRESSORS
Submission Author:
Pedro Motta Nunes , SC , Brazil
Co-Authors:
Pedro Motta Nunes, Arcanjo Lenzi
Presenter: Pedro Motta Nunes
doi://10.26678/ABCM.COBEM2021.COB2021-2322
Abstract
Companies increasingly need to develop innovative and quality products in a short period of time and reducing the number of prototypes for testing. At this point in the modern era, it is essential to have model control to predict responses of system. One of the major engineering problems is attenuation of the levels of noise and vibrations emitted by the compressor housing, especially noise at low frequencies, which is one of the focuses of the analysis range of this work. The objective of this work was to develop an analytical model of the equations of motion of rigid body of the internal block-motor assembly supported from 4 springs which couple the system to the housing, for an analysis of low frequency vibrations, of a hermetic compressor. Thus, the model was used to implement an optimization method to obtain new assembly configurations for the internal assembly in order to minimize the low frequency responses of the housing.
Keywords
Prediction of responses, Compressor vibration, Multibodies, analytical model, Optimization
