On rotor hub design for shrouded hydrokinetic turbines

2021 ◽  
Vol 240 ◽  
pp. 109940
Author(s):  
Eric J. Limacher ◽  
Thiago J. Rezek ◽  
Ramiro G. Ramirez Camacho ◽  
Jerson R.P. Vaz
Keyword(s):  
Hydrokinetic Turbines

Simulating and Designing Small Hydrokinetic Turbines: a Review

2018 ◽  
Vol 12 (11) ◽  
pp. 876
Author(s):  
Ana M. Ramirez-Tovar ◽  
Yuri Ulianov López Castrillón ◽  
Santiago Laín
Keyword(s):  
Hydrokinetic Turbines

scholarly journals Underwater Power Kites

2017 ◽  
Vol 139 (06) ◽  
pp. 38-43
Author(s):  
David J. Olinger
Keyword(s):  
Low Cost ◽  
Power Grid ◽  
Offshore Wind ◽  
Turbine Generator ◽  
Research Teams ◽  
Offshore Wind Turbines ◽  
Hydrokinetic Turbines ◽  
Available Technology ◽  
Economic Analyses ◽  
The Cost

This article discusses different features of underwater kites and its advantages in the turbine industry. The underwater kite moves fastest when it slaloms through the current in this way, much like a water skier. Electricity generated by the mounted turbine generator is transmitted along the tether to a moored, floating buoy, and then onto the power grid. This concept, now known as the Tethered Undersea Kite (TUSK), was first conceived by Magnus Landberg, a researcher in Sweden, in 2007. Underwater kites look to be feasible to build using commercial available technology. According to economic analyses conducted by other research teams, TUSK systems may be able to produce electricity at about half the current cost for fixed hydrokinetic turbines, and a bit below the cost of the power produced by offshore wind turbines. Those researchers attribute the lower costs to improved power-to-weight ratios derived from replacing the inner blades and support tower of a traditional turbine with a lightweight, low-cost tether.

Flow and Performance Characteristics of a Double-Blade Hydrofoil

2012 ◽  
Vol 433-440 ◽  
pp. 7218-7222 ◽  
Author(s):  
Tahir Yavuza ◽  
Birol Kilkis ◽  
Emre Koc ◽  
Ozgur Erol
Keyword(s):  
Wind Power ◽  
Fossil Fuels ◽  
Clean Energy ◽  
Performance Characteristics ◽  
Energy Resources ◽  
Environmental Crisis ◽  
Operational Effectiveness ◽  
Hydrokinetic Turbines ◽  
The World ◽  
And Performance

While our planet is rapidly approaching an environmental crisis under the dominant use of depleting fossil fuels, the need for exploiting all forms of new, small carbon foot-print, renewable, and clean energy resources are increasing in the same proportion. Therefore, the need for exploring all types of clean energy resources that the world has- some of which might have not attracted sufficient attention before- is essential in order to implement sufficient, efficient, and widely use all them. In this respect, operational effectiveness of the wind and hydrokinetic turbines depend on the performance of the airfoils chosen. Using double-blade airfoils in the wind and hydrokinetic turbines, minimum wind and hydrokinetic flow velocities to produce meaningful and practical mechanical power reduces to 3- 4 m /s for wind turbines and 1-1.5 m/s or less for hydrokinetic turbines. Consequently, double-blade hydrofoils may re-define the potentials of wind power and hydrokinetic power of the countries in positive manner.

Development of a desmodromic variable pitch system for hydrokinetic turbines

2021 ◽  
Vol 250 ◽  
pp. 114890
Author(s):  
Pier Francesco Melani ◽  
Francesco Balduzzi ◽  
Giovanni Ferrara ◽  
Alessandro Bianchini
Keyword(s):  
Variable Pitch ◽  
Hydrokinetic Turbines ◽  
Pitch System

Energy potential and economic analysis of hydrokinetic turbines implementation in rivers: An approach using numerical predictions (CFD) and experimental data

2019 ◽  
Vol 143 ◽  
pp. 648-662 ◽  
Author(s):  
Ivan Felipe Silva dos Santos ◽  
Ramiro Gustavo Ramirez Camacho ◽  
Geraldo Lúcio Tiago Filho ◽  
Antonio Carlos Barkett Botan ◽  
Barbara Amoeiro Vinent
Keyword(s):  
Experimental Data ◽  
Economic Analysis ◽  
Energy Potential ◽  
Hydrokinetic Turbines ◽  
Numerical Predictions

scholarly journals Hydrokinetic Turbines in Yawed Conditions: Toward Synergistic Fluvial Installations

2020 ◽  
Vol 146 (4) ◽  
pp. 04020019 ◽  
Author(s):  
Mirko Musa ◽  
Giulia Ravanelli ◽  
Walter Bertoldi ◽  
Michele Guala
Keyword(s):  
Hydrokinetic Turbines
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