Numerical and Experimental Investigations on the Hydrodynamic Performance of a Tidal Current Turbine

Xiaohui Su, Jiantao Zhang, Yong Zhao, Huiying Zhang, Guang Zhao, Yao Cao

Research output: Contribution to journalConference article

Abstract

In this paper, numerical and experimental investigations are presented on the hydrodynamic performance of a horizontal tidal current turbine (TCT) designed and made by our Dalian University of Technology (DUT) research group. Thus it is given the acronym: DUTTCT. An open source CFD solver, called PimpleDyMFoam, is employed to perform numerical simulations for design analysis, while experimental tests are conducted in a DUT towing tank. The important factors, including self-starting velocity, tip speed ratio (TSR) and yaw angle, which play important roles in the turbine output power, are studied in the investigations. Results obtained show that the maximum power efficiency of the newly developed turbine (DUTTCT) could reach up to 47.6% and all its power efficiency is over 40% in the TSR range from 3.5 to 6; the self-starting velocity of DUTTCT is about 0.745m/s; the yaw angle has negligible influence on its efficiency as it is less than 10°.

Original languageEnglish
Article number012001
JournalIOP Conference Series: Materials Science and Engineering
Volume280
Issue number1
DOIs
Publication statusPublished - Dec 20 2017
Event3rd International Conference on Mechanical Engineering and Automation Science, ICMEAS 2017 - Birmingham, United Kingdom
Duration: Oct 13 2017Oct 15 2017

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Turbines
Hydrodynamics
Ship model tanks
Computational fluid dynamics
Computer simulation

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

Cite this

Numerical and Experimental Investigations on the Hydrodynamic Performance of a Tidal Current Turbine. / Su, Xiaohui; Zhang, Jiantao; Zhao, Yong; Zhang, Huiying; Zhao, Guang; Cao, Yao.

In: IOP Conference Series: Materials Science and Engineering, Vol. 280, No. 1, 012001, 20.12.2017.

Research output: Contribution to journalConference article

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abstract = "In this paper, numerical and experimental investigations are presented on the hydrodynamic performance of a horizontal tidal current turbine (TCT) designed and made by our Dalian University of Technology (DUT) research group. Thus it is given the acronym: DUTTCT. An open source CFD solver, called PimpleDyMFoam, is employed to perform numerical simulations for design analysis, while experimental tests are conducted in a DUT towing tank. The important factors, including self-starting velocity, tip speed ratio (TSR) and yaw angle, which play important roles in the turbine output power, are studied in the investigations. Results obtained show that the maximum power efficiency of the newly developed turbine (DUTTCT) could reach up to 47.6{\%} and all its power efficiency is over 40{\%} in the TSR range from 3.5 to 6; the self-starting velocity of DUTTCT is about 0.745m/s; the yaw angle has negligible influence on its efficiency as it is less than 10°.",
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