Vibration Study on Oak Wood and Aluminium Alloy Material and Their Combinations for Noise Attenuation
Journal Title: International Journal of engineering Research and Applications - Year 2018, Vol 8, Issue 7
Abstract
Noise engineering is gaining an important research potential as the noise attenuation is a significant study in the field of noise and vibrations. Different studies have been under progress in the development of the design and analysis of vibrations to achieve the reduction in noise as per the statutory norms. Different methods have been put forward to fulfill the need for noise attenuation. Noise attenuation is based on the vibration characteristics of the materials. Hence it can be considered for the design of noise reduction techniques. The panels of vibroacoustic materials as casings over the noise source can be considered for the investigation of vibration frequencies. Simulation studies are the best design methods for finding out the optimal thickness of the panels of vibro-acoustic materials and the frequency response of the selected thickness at selected frequency range. The computer aided simulation process provides the cost effective and reliable selection of the best noise attenuation materials based on thickness of the panels considering the different combinations of the materials. In the present work the vibration amplitudes of the combinations of the panels of Aluminium alloy and Oak Wood materials are considered. The analysis is carried out using ANSYS software. It is found from the results that there is a significant reduction of about 59% in the amplitude of vibration for the combination of materials (Aluminum alloy panel of 6mm and Oak wood panel of 10mm) as compared to the other panels of different thicknesses of Aluminium alloy and Oak wood considered for the present study.
Authors and Affiliations
Mangalappa. M. Naik, Dr. Vinay Kuppast, Nataraj Kuntoji
Keywords
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- EP ID EP394982
- DOI 10.9790/9622-0807034952.
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