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A Study of An Oscillating Water Column (OWC) to Harvest Wave Energy Using FLUENT Software

Muhammad Hafiz Bin Rohimi, Muhammad Hafiz (2010) A Study of An Oscillating Water Column (OWC) to Harvest Wave Energy Using FLUENT Software. Universiti Teknologi Petronas. (Unpublished)

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Abstract

Oscillating water column (OWC) is the technology for harnessing the motion of ocean or sea waves as they push an air pocket up and down behind a breakwater, turning a turbine and drives a generator to produce electricity. The purpose of this project are to numerically and experimentally study the OWC design, to design and develop an OWC wave generator and investigates its application on offshore structures. The scope of the project is focuses on what is happening inside air chamber where it will involve various types of fluid flow patterns and pressure inside the air chamber. In order to achieve the objectives, Computational Fluid Dynamics (CFD) is used to simulate the flow patterns inside the air chamber. The software used for the CFD analysis are FLUENT and GAMBIT, where the operating conditions and other types of properties can be varied easily to evaluate the flow rate of the air exits and retreat backs to the air chamber and the pressure inside it. Finally, it will lead to design changes that improve the effectiveness of the OWC. There 12 designs of OWC model that have been simulated and studied. The best possible ways to optimize the model are to use 40o of inclined angle or arc radius, increase the height of the entrance inlet, increase the length of the air chamber, reduce the height of the air chamber or change the location of the pipe connected to the air turbine from top to the side of the air chamber. However, since all parameters are connected and related to each other, the best possible design need to be further studies.

Item Type: Final Year Project
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: Engineering > Mechanical
Depositing User: Users 5 not found.
Date Deposited: 11 Jan 2012 12:23
Last Modified: 25 Jan 2017 09:43
URI: http://utpedia.utp.edu.my/id/eprint/1484

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