Water vortex hydropower technology: a state-of-the-art review of developmental trends

AB Timilsina, S Mulligan, TR Bajracharya - Clean Technologies and …, 2018 - Springer
With the explosive growth of global energy demand coupled with effects of climate change,
there is a significant shift towards green energy generation in recent years. Of the various …

A review of gravitational water vortex hydro turbine systems for hydropower generation

N Maika, W Lin, M Khatamifar - Energies, 2023 - mdpi.com
Hydropower is one of the most sustainable and desirable renewable energy sources.
Gravitational water vortex hydro turbine (GWVHT) systems are one of the most suitable and …

Performance analysis of multi-stage gravitational water vortex turbine

R Ullah, TA Cheema, AS Saleem, SM Ahmad… - Energy Conversion and …, 2019 - Elsevier
In this study, the performance of a multi-stage gravitational water vortex turbine (GWVT),
which is assembled in a conical basin, is investigated analytically and experimentally. Each …

Performance and flow field of a gravitation vortex type water turbine

Y Nishi, T Inagaki - International Journal of Rotating Machinery, 2017 - Wiley Online Library
A gravitation vortex type water turbine, which mainly comprises a runner and a tank,
generates electricity by introducing a flow of water into the tank and using the gravitation …

The effects of blade number and turbine baffle plates on the efficiency of free-vortex water turbines

P Sritram, R Suntivarakorn - IOP Conference Series: Earth and …, 2019 - iopscience.iop.org
This article presents the results of the study on the effect of blade number and turbine baffle
plates on the efficiency of a free-vortex water turbine. The laboratory experimentation …

Loss analysis of gravitation vortex type water turbine and influence of flow rate on the turbine's performance

Y Nishi, R Suzuo, D Sukemori, T Inagaki - Renewable Energy, 2020 - Elsevier
A gravitation vortex type water turbine is a water turbine that uses gravitational vortices
generated upon water draining from a tank bottom and can generate power at low head and …

Enhancing the performance of gravitational water vortex turbine by flow simulation analysis

DS Edirisinghe, HS Yang, S Gunawardane, YH Lee - Renewable Energy, 2022 - Elsevier
Abstract Gravitational Water Vortex Power (GWVP) plant is a favourable micro-hydro
extraction method due to its simplicity and compatibility with ultra-low hydraulic head …

Numerical and experimental investigation on water vortex power plant to recover the energy from industrial wastewater

DS Edirisinghe, HS Yang, S Gunawardane… - Renewable Energy, 2023 - Elsevier
Waste energy recovery is crucial to improving the overall energy efficiency of any industry.
Industrial wastewater discharge contains a considerable amount of hydraulic energy, a …

The effects of turbine baffle plates on the efficiency of water free vortex turbines

P Wichian, R Suntivarakorn - Energy Procedia, 2016 - Elsevier
This article is based on a study that focuses on increasing the efficiency of the water free
vortex turbine by installing baffle plates on the propellers. In order to find the most suitable …

Effective basin–blade configurations of a gravitational water vortex turbine for microhydropower generation

NH Khan, TA Cheema, JA Chattha… - Journal of Energy …, 2018 - ascelibrary.org
Among various microhydropower plants, gravitational water vortex power plants are
emerging because of their simple installation, reduced setup time, and minimal maintenance …