Numerical simulations of a horizontal axis water turbine designed for underwater mooring platforms

Tian, Wenlong; Song, Baowei; VanZwieten, James H.; Pyakurel, Parakram; Li, Yanjun

doi:10.1016/j.ijnaoe.2015.10.003

Numerical simulations of a horizontal axis water turbine designed for underwater mooring platforms

Journal Article · Wed Mar 16 00:00:00 EDT 2016 · International Journal of Naval Architecture and Ocean Engineering

DOI:https://doi.org/10.1016/j.ijnaoe.2015.10.003· OSTI ID:1986603

Tian, Wenlong ^[1]; Song, Baowei ^[2]; VanZwieten, James H. ^[3]; Pyakurel, Parakram ^[3]; Li, Yanjun ^[3]

Northwestern Polytechnical Univ., Xi'an, Shaanxi (China); Florida Atlantic Univ., Boca Raton, FL (United States); Florida Atlantic University
Northwestern Polytechnical Univ., Xi'an, Shaanxi (China)
Florida Atlantic Univ., Boca Raton, FL (United States)

In order to extend the operational life of Underwater Moored Platforms (UMPs), a horizontal axis water turbine is designed to supply energy for the UMPs. The turbine, equipped with controllable blades, can be opened to generate power and charge the UMPs in moored state. Three-dimensional Computational Fluid Dynamics (CFD) simulations are performed to study the characteristics of power, thrust and the wake of the turbine. Particularly, the effect of the installation position of the turbine is considered. Simulations are based on the Reynolds Averaged Navier-Stokes (RANS) equations and the shear stress transport k-ω turbulent model is utilized. The numerical method is validated using existing experimental data. The simulation results show that this turbine has a maximum power coefficient of 0.327 when the turbine is installed near the tail of the UMP. The flow structure near the blade and in the wake are also discussed.

View Accepted Manuscript (DOE)

Research Organization:: Florida Atlantic Univ., Boca Raton, FL (United States)

Sponsoring Organization:: National Science Foundation (NSF); Northwestern Polytechnical University; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Water Power Technologies Office

Grant/Contract Number:: EE0004200

OSTI ID:: 1986603

Journal Information:: International Journal of Naval Architecture and Ocean Engineering, Journal Name: International Journal of Naval Architecture and Ocean Engineering Journal Issue: 1 Vol. 8; ISSN 2092-6782

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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