A Review of Gravitational Water Vortex Hydro Turbine Systems for Hydropower Generation
Maika, Nosare, Lin, Wenxian, and Khatamifar, Mehdi (2023) A Review of Gravitational Water Vortex Hydro Turbine Systems for Hydropower Generation. Energies, 16. 5394.
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Abstract
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 sustainable renewable power generation devices for remote and rural areas, particularly in developing countries, owing to their small scales and low costs. There are various GWVHT systems with different configurations and various operating conditions. The main components of a GWVHT system include the inlet and outlet channels, a basin, and a turbine on which there are a number of blades attached. This paper presents a comprehensive review regarding the progress and development of various GWVHT systems, covering broad aspects of GWVHT systems, particularly various types of basins, inlet and outlet channels, turbines with blades which have different shapes, orientations, sizes, numbers, etc. The nature of the previous studies is summarised. The fundamentals of the vortex dynamics involved and the quantitative analysis of the performance of GWVHT systems are also described. The turbulence models and multiphase models used in some leading numerical simulation studies have been reviewed. As a case study, the implementation of a GWVHT system in PNG is presented. Based on the review of previous studies regarding GWVHT systems, the major issues and challenges are summarised, and some key topics are recommended for future research work on the performance of GWVHTsystems.
Item ID: | 79414 |
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Item Type: | Article (Research - C1) |
ISSN: | 1996-1073 |
Keywords: | gravitational; water; vortex; vortex dynamics; hydropower; basin; turbine; blade; power output; efficiency |
Copyright Information: | © 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
Date Deposited: | 01 Aug 2023 01:54 |
FoR Codes: | 40 ENGINEERING > 4017 Mechanical engineering > 401703 Energy generation, conversion and storage (excl. chemical and electrical) @ 70% 40 ENGINEERING > 4017 Mechanical engineering > 401706 Numerical modelling and mechanical characterisation @ 30% |
SEO Codes: | 17 ENERGY > 1708 Renewable energy > 170803 Hydro-electric energy @ 80% 17 ENERGY > 1708 Renewable energy > 170899 Renewable energy not elsewhere classified @ 20% |
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