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Design and Analysis of Flywheel Energy Storage System's Structure

Hussain, Haizatul Hafizah (2011) Design and Analysis of Flywheel Energy Storage System's Structure. Universiti Teknologi Petronas. (Unpublished)

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This dissertation, entitled "Design and Analysis of Flywheel Energy Storage System's Structure" is to fulfill the requirement of Final Year Project II. The objectives of this project are to study and understand the principle of operation of the Flywheel Energy Storage System (FESS), to design new structure of horizontal FESS, to simulate the structural mechanics of the FESS, and to analyse static and dynamic loads on the FESS structure. FESS is a system which is targeted to be implemented and utilized as potential alternative energy in Malaysia, as the issue of oil and gas scarcity and price high is one of the major problems nowadays. The need for a clean and reliable energy from FESS is essential to reduce the green house gas emissions. FESS aims to supply uninterruptible power supply (UPS) to any system that is driven by electrical motor. The design approach of the system's structure includes the flywheel design calculations and shaft design calculations. Detailed design is created and shaft loading analyses are executed using the Autodesk Inventor Professional Software. The results obtained from calculations are compared with the results generated by Autodesk Inventor Professional Software and ANSYS 11.0 Software. To further verify the analyses, simulations of the static and dynamic analyses are conducted using the ANSYS 11.0 Software. The final design specifications for FESS show that the most suitable material for a flywheel disc is stainless steel, with an outer diameter of 0.20 m and a shaft with 0.4 m length and 0.05 m diameter which produce 4392 rpm in its operation. The amount of kinetic energy that can be stored for a given power of 37285 W is 3.98 kJ. As one of the essential component in the FESS, the shaft design is observed to be safe to function, as it produces a negligible value of deflection and does not break during rotation. Further analysis of the electromagnetic flux induced by the system is recommended, besides generating several configurations of FESS which can give the highest efficiency to the system.

Item Type: Final Year Project
Academic Subject : Academic Department - Mechanical Engineering - Materials - Engineering materials - Polymers - Processing
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: Engineering > Mechanical
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:20
Last Modified: 25 Jan 2017 09:42
URI: http://utpedia.utp.edu.my/id/eprint/7144

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