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title

Experimental and numerical investigation of screw tidal turbines performance

Credit to Download: 1 | Page Numbers 18 | Abstract Views: 92
Year: 2017
Present: ارايه پوستري
COI code: ICRSIE03_206
Paper Language: English

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Authors Experimental and numerical investigation of screw tidal turbines performance

  Hamid Rahmani - Department of Mechanical Engineering, Semnan University, Semnan, Iran.
  Mojtaba Biglari - Department of Mechanical Engineering, Semnan University, Semnan, Iran.
  Mohammad Sadegh Valipour - Department of Mechanical Engineering, Semnan University, Semnan, Iran.
Kamran Lari - Department of physical oceanography, Islamic Azad University, Tehran-North branch, Tehran, Iran.

Abstract:

With regard to energy crisis in the world and also world population growth, the use of new energy sources for electricity generation is essential. New energy sources are renewable and do not lead to environmental pollution. In a world where oceans form more than 70% of it, the use of hydrodynamic energy is on the rise. But the growth of this issue is far from sustainable development. This study aims to develop an innovative project regarding energy extraction from tides (wave) on the southern coast of Iran with respect to the investigations, experiments andresults of this type of energy extraction in the world. In this research, a laboratory model of a helical turbine has been initially built by researchers and system modeling was then performed to improve the function of the above machine using software such as ANSYS. Numerical results obtained were consistent with the empirical data. This indicates the validity of numerical modeling. Afterwards, innovative designs have been provided and analyzed to increase turbine efficiency. To this end, various geometric shapes have been considered for the blade. It has been shown that helical blade with BW3 airfoil acts better than spoon blade which is of Darrieus blades type.

Keywords:

Numerical, Variable velocity, Tidal current, Blade, Power

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https://www.civilica.com/Paper-ICRSIE03-ICRSIE03_206.html
COI code: ICRSIE03_206

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Rahmani, Hamid; Mojtaba Biglari; Mohammad Sadegh Valipour & Kamran Lari, 2017, Experimental and numerical investigation of screw tidal turbines performance, 3rd International Conference on Research in Science and Engineering, بانكوك , دبيرخانه دايمي كنفرانس, دانشگاه Kasem Bundit, https://www.civilica.com/Paper-ICRSIE03-ICRSIE03_206.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Rahmani, Hamid; Mojtaba Biglari; Mohammad Sadegh Valipour & Kamran Lari, 2017)
Second and more: (Rahmani; Biglari; Valipour & Lari, 2017)
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The University/Research Center Information:
Type: state university
Paper No.: 6791
in University Ranking and Scientometrics the Iranian universities and research centers are evaluated based on scientific papers.

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