Field tests on model efficiency of twin vertical axis helical hydrokinetic turbines

Zhang, Aiming; Liu, Sen; Ma, Yong; Hu, Chao; Li, Zhengyu

doi:10.1016/j.energy.2022.123376

Cited by 10 publications

(1 citation statement)

References 29 publications

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“…A suitable creek of the Karamana river was selected for field testing (Zhang et al 2022) the GHT (refer to Figure 13). A check dam meant as a reservoir for the pump house is located here.…”

Section: Site Selection and Field Testingmentioning

confidence: 99%

A Brief Study on the Implementation of Helical Cross-Flow Hydrokinetic Turbines for Small Scale Power Generation in the Indian SHP Sector

Jayaram

Bavanish

2022

Int. J. Renew. Energy Dev.

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This article addresses the simulation and experiments performed on a Gorlov Helical Turbine (GHT) by altering the index of revolution of its helical blades. Gorlov Helical Turbine is a hydrokinetic turbine that generates energy from the perennial/tidal source. The paper serves a two-fold purpose: parametric optimisation of Gorlov Helical Turbine with respect to the index of revolution and viability of installing the turbines in river creeks. Nine models of turbines with a diameter of 0.600 m and a height of 0.600 m were generated with different indices of revolution and then subjected to simulation studies. A significant rise in the output torque of the turbine was not observed with the various indices of revolution, even as the probability of finding a section at every azimuthal position is likely to rise. Gavasheli's solidity ratio formula was used to formulate an expression for the output power. The output power as per analytical formulation is 1.11 W, which is of the order of output power obtained through simulation (0.951 W). The studies suggest that 0.25 remains the optimum value for the index of revolution of the helical blades. A model with 0.25 as the index of revolution was fabricated and tested at a river creek. The results were found to agree with the simulations accounting for the losses. The study results could encourage setting up hydrokinetic turbines in river creeks, thereby increasing the grid capacity of SHPs in India.

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“…A suitable creek of the Karamana river was selected for field testing (Zhang et al 2022) the GHT (refer to Figure 13). A check dam meant as a reservoir for the pump house is located here.…”

Section: Site Selection and Field Testingmentioning

confidence: 99%

A Brief Study on the Implementation of Helical Cross-Flow Hydrokinetic Turbines for Small Scale Power Generation in the Indian SHP Sector

Jayaram

Bavanish

2022

Int. J. Renew. Energy Dev.

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Efficiency optimization of twin vertical-axis helical hydrokinetic turbines (VAHHTs) based on Taguchi method

Chen

et al. 2023

Applied Ocean Research

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Influence of aspect ratio on the performance and wake recovery of lift-type helical hydrokinetic turbine

Reddy,

Bhosale

2024

Energy

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Field tests on model efficiency of twin vertical axis helical hydrokinetic turbines

Cited by 10 publications

References 29 publications

A Brief Study on the Implementation of Helical Cross-Flow Hydrokinetic Turbines for Small Scale Power Generation in the Indian SHP Sector

A Brief Study on the Implementation of Helical Cross-Flow Hydrokinetic Turbines for Small Scale Power Generation in the Indian SHP Sector

Efficiency optimization of twin vertical-axis helical hydrokinetic turbines (VAHHTs) based on Taguchi method

Influence of aspect ratio on the performance and wake recovery of lift-type helical hydrokinetic turbine

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