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    Design and Constructing a Flap Wave Energy Converter Model

    , M.Sc. Thesis Sharif University of Technology Kouhi Anbaran, Soroush (Author) ; Abbaspour, Majid (Supervisor)
    In the recent decades, because of the reduction of the fossil sources and increasing the environmental pollution, also worldwide population growth and the necessity of energy have made humanbeing to use the Renewable Energy. Wave energy is an opulent source of energy in many parts of the world, especially in Iran.
    In this thesis, in the first chapter, different kinds of renewable energy are introduced, and the importance of them is discussed. In the second chapter, the mechanisms of extracting energy by the wave energy converters are investigated, and their types are discussed. Then, in the next chapter, wave equations, wave spctrums and simulation of a flap wave energy converter in... 

    Optimization of Wave Energy Convertors by Genetic Algorithm

    , M.Sc. Thesis Sharif University of Technology Farshforoush Imani, Amir (Author) ; Abbaspour Tehrani Fard, Majid (Supervisor)
    Given the great potential of energy resources, the utilization of wave energy for electricity production can make a significant contribution to the renewable energy portfolio of coastal nations. There are, however, many challenges that must be overcome in order for wave energy to be commercially viable. One of the key objectives of the wave energy industry today is to produce commercially viable wave farms by placing multiple wave energy converters (WECs) together in an array. The full problem of calculating the power absorbtion of an array of WECs requires not only the complete knowledge of the hydrodynamics of each individual body, but also the scattering and radiation effects between all... 

    Design and Simulation of a Hydraulic Wave Energy Converter By Use of a Fuzzy Logic Controller

    , M.Sc. Thesis Sharif University of Technology Razavi, Payam (Author) ; Zabihollah, Abolghasem (Supervisor) ; Kazemzadeh Hannani, Siamak (Supervisor)
    Problems of global warming have motivated energy communities to design and develop green power generators. Energy of the ocean waves is one of the most fascinating clean energies which have not been completely explored yet. The present work intends to design and develop a novel efficient system to generate electricity using the power of ocean waves. The proposed device can operate in most ocean situations. The device floats with the buoyancy of the buoy over the ocean surface. Regarding the ocean inputs the device is sinking or floating at the ocean to control and optimize input force. In the proposed system kinetic energy of the ocean wave is converted into force. This force moves the... 

    PELAMIS’s Hydro Dynamical Analyses and Mechanism Design of Wave Energy Converter Device (Semi-PELAMIS)

    , M.Sc. Thesis Sharif University of Technology Saeidi Hamid Abad, Mohammad (Author) ; AbbasPour, Majid (Supervisor)
    Pelamis is a semi-submersible device that can extract wave energy and converters that to electrical power. It has 5 cylindrical structure that connects through the joints. This device takes the shape of wave and the wave forces tubes to had angular relative motion together. The Main task of this device is to convert the angular movements of tubes to the Linear movement of pistons. External mechanism called the energy capture device are responsible for absorbing wave energy through angular movements, and then the internal mechanism, called the Power Take-Off, are responsible for converting this energy into the electrical power for use in the electricity grid. This device was designed and... 

    Site Selection and Design of an Optimal OWC System for the Coastal and Offshore Areas of the Persian Gulf and the Sea of Oman

    , M.Sc. Thesis Sharif University of Technology Savaedi, Mohamad (Author) ; Abbaspour Tehrani Fard, Madjid (Supervisor)
    Today, to reduce the effects of greenhouse gases on the earth, as well as reduce dependence on fossil fuels and other non-renewable sources, the international community is moving towards greater use of renewable energy. The oscillating water column device as a wave energy converter system has the ability to use and absorb energy within the waves through a chamber consisting an air and a water column. This system has the ability to move the turbine installed on the valve by expanding and compressing the air passing through the valve. Oscillating water column systems have different categories, and this high diversity makes the choice of this wave energy converter closely related to the... 

    Numerical Study of the Floating Oscillating Surge Wave Energy Converter Using the Boundary Element Method

    , M.Sc. Thesis Sharif University of Technology Taghipour, Haniyeh (Author) ; Raie, Mohammad (Supervisor)
    Energy production from fossil fuels such as oil and gas is one of the non-renewable energies, which causes many environmental problems such as global warming and environmental pollution. The existence of these problems has led to agreements such as the Glasgow Environmental Agreement, which obligates governments to apply methods to reduce the production of greenhouse gases, which include reducing the consumption of fossil fuels and increasing the use of renewable energy. Sea wave energy is one of the renewable energies that can be used to generate electricity. In the seas of Iran, including the Caspian Sea, Persian Gulf and Oman, there are sources of wave energy that can be used and are... 

    The Effects of PTO Characteristics on Performance of a Floating Point Absorber Wave Energy Converter

    , M.Sc. Thesis Sharif University of Technology Ramazani, Arman (Author) ; Behzad, Mahdi (Supervisor) ; Abazari, Abuzar (Supervisor)
    In recent years, the challenges of using fossil energy causes governments and researchers to focus on renewable energies. In this regard, one of the strategies for generating power is using wave energy converters. The aim of present study is modeling frequency and time domain analysis of the wave energy converter. the study focuses on the effect of Power-Take-Off system on the output power and efficiency under the Macoran sea waves. First, the concept of wave converters is explained and the commercialized ones are introduced. Then the related previous works are reviewed and the wave theories are briefly presented. In the following, a specified one-degree-of-freedom converter is modeled in...