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Relevant bibliographies by topics / Vertical axis water current turbine

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Journal articles

Academic literature on the topic 'Vertical axis water current turbine'

Author: Grafiati

Published: 4 June 2021

Last updated: 12 February 2022

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Journal articles on the topic "Vertical axis water current turbine"

1

FERNÁNDEZ JIMÉNEZ, AITOR, EDUARDO BLANCO MARIGORTA, AHMED GHARIB, VICTOR MANUEL FERNANDEZ PACHECO, and EDUARDO ALVAREZ ALVAREZ. "EVALUATION OF A VERTICAL AXIS HYDROKINETIC TURBINE FOR WATER CHANNELS." DYNA 96, no. 1 (2021): 194–99. http://dx.doi.org/10.6036/9883.

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The growing interest on low-carbon energy systems has been essential to develop new electricity devices based on renewable resources. In this context, channel turbines are an excellent alternative to supply demands that are isolated from power mains. These devices, which harness the kinetic term of the water current, can be installed in hydraulic channels, rivers, or estuaries. This article carries out an experimental characterization of a hydrokinetic turbine in a hydrodynamic water tunnel under low velocity conditions, so its behavior under open field conditions can be obtained. The results

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2

Ma, Yong, Chao Hu, Yulong Li, Lei Li, Rui Deng, and Dapeng Jiang. "Hydrodynamic Performance Analysis of the Vertical Axis Twin-Rotor Tidal Current Turbine." Water 10, no. 11 (2018): 1694. http://dx.doi.org/10.3390/w10111694.

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The goal of this manuscript is to investigate the influence of relative distance between the twin rotors on the hydrodynamic performance of the vertical axis twin-rotor tidal current turbine. Computational fluid dynamics (CFD) simulations based on commercial software ANSYS-CFX have been performed to enhance the understanding of interactions between the twin-rotors. The interactions between the twin rotors are known to have increased the power output efficiency as a whole, and it is, therefore, of great significance to undertake deeper research. The simulation results are found to be consistent

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3

Ponta, Fernando, and Gautam Shankar Dutt. "An improved vertical-axis water-current turbine incorporating a channelling device." Renewable Energy 20, no. 2 (2000): 223–41. http://dx.doi.org/10.1016/s0960-1481(99)00065-8.

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4

Behrouzi, Fatemeh, Adi Maimun Abdul Malik, Mehdi Nakisa, and Yasser Mohamed Ahmed. "Arm Effect on Performance of Vertical Axis Current Turbine Using RANS Simulation." Applied Mechanics and Materials 554 (June 2014): 531–35. http://dx.doi.org/10.4028/www.scientific.net/amm.554.531.

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Climate changing, electrical demands, rising diesel fuel prices, as well as fossil fuel-based energy is limited and in fact is depleting ,are subjects to use of renewable technologies. Among the different renewable energy technologies, hydro power generation (large and small scale) is the prime choice in terms of contribution to the world's electricity generation by using water current turbines.CFD simulation using two equations turbulence model was carried out to compare performance of conventional savonius turnine and new consept of vertical axis turbine. This study was coducted to reach sui

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5

Rahmani, Hamid, Mojtaba Biglari, Mohammad Sadegh Valipour, and Kamran Lari. "Numerical investigation of the effects of immersion on the efficiency of a tidal helical turbine." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 233, no. 12 (2018): 4299–310. http://dx.doi.org/10.1177/0954406218810301.

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In the current study, a two-phase simulation of a tidal helical turbine was performed that contrasts with previous studies in two ways. First, the current research simulated the turbine in different states of immersion in water, whereas previous studies simulated turbines mostly in single-phase conditions and full immersion in water. Second, the present study used a horizontal-axis turbine, whereas previous research employed a vertical-axis helical turbine or Darrius turbine. In this study, a simulation was conducted using the volume of fluid method in ANSYS Fluent 18. Results indicated that t

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6

Castelli, Marco Raciti, and Ernesto Benini. "Numerical Simulation of a Straight-Bladed Vertical-Axis Water Turbine Operating in a 2 m/s Current." Applied Mechanics and Materials 325-326 (June 2013): 162–66. http://dx.doi.org/10.4028/www.scientific.net/amm.325-326.162.

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The present work proposes a full campaign of simulation of a Darrieus-type Vertical-Axis Water Turbine (VAWaterT) operating in an open flow-field. After describing the computational model and the relative validation procedure, a complete campaign of simulations based on full RANS unsteady calculations is presented for a three-bladed rotor architecture, characterized by a NACA 0025 blade profile. Flow field characteristics are investigated for several values of tip speed ratio and for a constant unperturbed free-stream water velocity of 2 m/s. Finally, the torque coefficient generated from the

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7

Han, Ronggui, Yong Ma, and Lei Li. "Array Arrangement on Vertical Axis Tidal Current Turbine Using Free Vortex Model." Journal of Coastal Research 103, sp1 (2020): 361. http://dx.doi.org/10.2112/si103-074.1.

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8

Zhou, Donghai, and Xiaojing Sun. "Influences of Geometrical Parameters of Upstream Deflector on Performance of a H-Type Vertical Axis Marine Current Turbine." Energies 14, no. 14 (2021): 4087. http://dx.doi.org/10.3390/en14144087.

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Marine current power is a kind of renewable energy that has attracted increasing attention because of its abundant reserves, high predictability, and consistency. A marine current turbine is a large rotating device that converts the kinetic energy of the marine current into mechanical energy. As a straight-bladed vertical axis marine current turbine (VAMCT) has a square or rectangular cross-section, it can thus have a larger swept area than that of horizontal axis marine current turbines (HAMCT) for a given diameter, and also have good adaptability in shallow water where the turbine size is li

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9

Agbakwuru, Jasper Ahamefula, and Umar Ukkasha Ibrahim. "A novel initiative on vertical-axis underwater turbine suitable for low underwater current velocities." Underwater Technology 36, no. 3 (2019): 43–51. http://dx.doi.org/10.3723/ut.36.043.

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The present paper discusses efforts made to reinvent the use of the vertical-axis turbine for use in locations of low underwater current velocities. The present work targets the low flow current of the sub-Saharan ocean system, which has an underwater current record of around 0.3 m/s and a sea state that is mild, benign and with little or no local storms. The present initiative is achieved through a combination of ducting techniques to increase velocity of flow, and the utilisation of a large surface contact area exposed to flowing water per unit of time. Torque estimations are made using thre

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10

Xu, Gang, Haoyi Li, and Shuqi Wang. "Numerical Study on the Vertical-Axis Tidal Current Turbine with Coupled Motions (Part I)." Journal of Coastal Research 97, sp1 (2019): 273. http://dx.doi.org/10.2112/si97-040.1.

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