Evaluation of isolators to reduce vibrational effect for small scale thermoacoustic system

Hamdan, Syazira (2021) Evaluation of isolators to reduce vibrational effect for small scale thermoacoustic system. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

A thermoacoustic system, also known as a thermoacoustic phenomenon, is an event that allows for the conversion of energy between heat and sound. In industry, any systems and machinery are exposed to vibration. Vibrations that occur within a structure or a system are still one of the most common issues in the industrial sector. Vibrations are undesirable because they might compromise the functionality and durability of a system. This project focuses on the vibration that happens inside a small-scale thermoacoustic test rig. However, the best parameter design for a thermoacoustic test rig must be determined so that the real thermoacoustic rig will be designed and operate with a less vibrational effect. Therefore, a study to evaluate the most suitable isolators for the small-scale thermoacoustic system has been conducted in this project. The vibrational measurement has been done using an accelerometer to determine the natural frequency of the system with two conditions: a system without an isolator and a system with an isolator. Then, the theoretical calculation of the proposed isolators is done to determine the best material for the isolator based on a comparative study. From the comparative study, it is found that silicone rubber has the capability to reduce the vibrational effect up to 86.67%. In conclusion, silicone rubber is chosen as the best material for isolators to reduce the vibrational effect in the thermoacoustic system.

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