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A rationalised CFD design methodology for Turgo turbines to enable local manufacture in the Global South

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A rationalised CFD design methodology for Turgo turbines to enable local manufacture in the Global South. / Butchers, Joe ; Benzon, Shaun; Williamson, Sam et al.
In: Energies, Vol. 14, No. Energies 2021, 6250, 01.10.2021.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Butchers, J, Benzon, S, Williamson, S, Booker, J & Aggidis, G 2021, 'A rationalised CFD design methodology for Turgo turbines to enable local manufacture in the Global South', Energies, vol. 14, no. Energies 2021, 6250. https://doi.org/10.3390/en14196250

APA

Butchers, J., Benzon, S., Williamson, S., Booker, J., & Aggidis, G. (2021). A rationalised CFD design methodology for Turgo turbines to enable local manufacture in the Global South. Energies, 14(Energies 2021), Article 6250. https://doi.org/10.3390/en14196250

Vancouver

Butchers J, Benzon S, Williamson S, Booker J, Aggidis G. A rationalised CFD design methodology for Turgo turbines to enable local manufacture in the Global South. Energies. 2021 Oct 1;14(Energies 2021):6250. doi: 10.3390/en14196250

Author

Butchers, Joe ; Benzon, Shaun ; Williamson, Sam et al. / A rationalised CFD design methodology for Turgo turbines to enable local manufacture in the Global South. In: Energies. 2021 ; Vol. 14, No. Energies 2021.

Bibtex

@article{be76de9f38d6449bb15ecf6358222455,
title = "A rationalised CFD design methodology for Turgo turbines to enable local manufacture in the Global South",
abstract = "In the Global South, pico- and micro-hydropower turbines are often made by local workshops. Despite several advantageous features, e.g. a high power density and capacity to handle silt, there is no commonly available Turgo turbine design appropriate for local manufacture. Technological developments including the internet, CAD and additive manufacturing increase the opportunity to precisely transfer designs around the world. Consequently, design improvements can be shared digitally and used by manufacturers in their local context. In this paper, a rationalised CFD approach is used to guide simple design changes that improve the efficiency of a Turgo turbine blade. The typical manufacturing capacity of the micro-hydropower industry in Nepal is used to rationalise the variation of potential design changes. Using the geometry and operational parameters from an existing design as a benchmark, a 2-blade homogenous multiphase model is developed and run using the commercial code ANSYS CFX. Initially, it is identified that the jet aim position has a significant effect on the efficiency. A design of experiments approach and subsequent analysis of numerical and visual results are used to make design changes that result in an improvement in efficiency from 69% to 81%. The design changes maintain the simple profile of the blade ensuring that the resulting design is appropriate for manufacture in a local workshop.",
keywords = "Turgo, CFD, hydropower, optimisation, parametric, manufacture",
author = "Joe Butchers and Shaun Benzon and Sam Williamson and Julian Booker and George Aggidis",
year = "2021",
month = oct,
day = "1",
doi = "10.3390/en14196250",
language = "English",
volume = "14",
journal = "Energies",
issn = "1996-1073",
publisher = "Multidisciplinary Digital Publishing Institute (MDPI)",
number = "Energies 2021",

}

RIS

TY - JOUR

T1 - A rationalised CFD design methodology for Turgo turbines to enable local manufacture in the Global South

AU - Butchers, Joe

AU - Benzon, Shaun

AU - Williamson, Sam

AU - Booker, Julian

AU - Aggidis, George

PY - 2021/10/1

Y1 - 2021/10/1

N2 - In the Global South, pico- and micro-hydropower turbines are often made by local workshops. Despite several advantageous features, e.g. a high power density and capacity to handle silt, there is no commonly available Turgo turbine design appropriate for local manufacture. Technological developments including the internet, CAD and additive manufacturing increase the opportunity to precisely transfer designs around the world. Consequently, design improvements can be shared digitally and used by manufacturers in their local context. In this paper, a rationalised CFD approach is used to guide simple design changes that improve the efficiency of a Turgo turbine blade. The typical manufacturing capacity of the micro-hydropower industry in Nepal is used to rationalise the variation of potential design changes. Using the geometry and operational parameters from an existing design as a benchmark, a 2-blade homogenous multiphase model is developed and run using the commercial code ANSYS CFX. Initially, it is identified that the jet aim position has a significant effect on the efficiency. A design of experiments approach and subsequent analysis of numerical and visual results are used to make design changes that result in an improvement in efficiency from 69% to 81%. The design changes maintain the simple profile of the blade ensuring that the resulting design is appropriate for manufacture in a local workshop.

AB - In the Global South, pico- and micro-hydropower turbines are often made by local workshops. Despite several advantageous features, e.g. a high power density and capacity to handle silt, there is no commonly available Turgo turbine design appropriate for local manufacture. Technological developments including the internet, CAD and additive manufacturing increase the opportunity to precisely transfer designs around the world. Consequently, design improvements can be shared digitally and used by manufacturers in their local context. In this paper, a rationalised CFD approach is used to guide simple design changes that improve the efficiency of a Turgo turbine blade. The typical manufacturing capacity of the micro-hydropower industry in Nepal is used to rationalise the variation of potential design changes. Using the geometry and operational parameters from an existing design as a benchmark, a 2-blade homogenous multiphase model is developed and run using the commercial code ANSYS CFX. Initially, it is identified that the jet aim position has a significant effect on the efficiency. A design of experiments approach and subsequent analysis of numerical and visual results are used to make design changes that result in an improvement in efficiency from 69% to 81%. The design changes maintain the simple profile of the blade ensuring that the resulting design is appropriate for manufacture in a local workshop.

KW - Turgo

KW - CFD

KW - hydropower

KW - optimisation

KW - parametric

KW - manufacture

U2 - 10.3390/en14196250

DO - 10.3390/en14196250

M3 - Journal article

VL - 14

JO - Energies

JF - Energies

SN - 1996-1073

IS - Energies 2021

M1 - 6250

ER -