Numerical Simulation-Based Effect Characterization and Design Optimization of a Micro Cross-Flow Turbine

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WOLDEMARIAM, Endashaw T.;LEMU, Hirpa G..
Numerical Simulation-Based Effect Characterization and Design Optimization of a Micro Cross-Flow Turbine. 
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 65, n.6, p. 386-397, june 2019. 
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/article/numerical-simulation-based-effect-characterization-and-design-optimization-of-micro-cross-flow-turbine/>. Date accessed: 21 sep. 2019. 
doi:http://dx.doi.org/10.5545/sv-jme.2018.5901.
Woldemariam, E., & Lemu, H.
(2019).
Numerical Simulation-Based Effect Characterization and Design Optimization of a Micro Cross-Flow Turbine.
Strojniški vestnik - Journal of Mechanical Engineering, 65(6), 386-397.
doi:http://dx.doi.org/10.5545/sv-jme.2018.5901
@article{sv-jmesv-jme.2018.5901,
	author = {Endashaw T. Woldemariam and Hirpa G. Lemu},
	title = {Numerical Simulation-Based Effect Characterization and Design Optimization of a Micro Cross-Flow Turbine},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {65},
	number = {6},
	year = {2019},
	keywords = {crossflow turbine; micro hydro turbine; numerical simulation metamodel based optimization},
	abstract = {In this era of high power demand along with a need for sustainability, small and micro-scale hydro turbines are indispensable, especially for off-grid power generation. These hydro-turbines are more appealing, particularly for small-scale enterprises, hospitals, telecommunication facilities, residential buildings, and other public institutions located in remote areas that have rich hydropower potential. Due to their simple design, manufacturability, and maintainability, micro cross-flow turbines are more feasible and applicable for power generation in undeveloped and developing countries with scattered hydropower resources. Such hydropower generation is environmentally friendly as their construction and operations have no significant effect on the surrounding ecosystem. To extract the highest possible power, however, the power generation efficiency of cross-flow turbines are is yet well optimized. In this paper, a numerical-based investigation on 3D numerical models and a design optimization study that is aimed at improving the turbine’s performance has been studied and reported. A numerical simulation-based metamodel assisting optimization approach is deployed to carry out the optimization after the characterization of the design parameters, following a previous experimental study on a similar model. The benefits of the approach with regard to computational costs and outcome of the optimization are discussed. Responses from the optimized design are compared against the original design responses at different magnitudes of design parameters. Published experimental test results based on similar conditions are used to verify the models at each stage. The approach is found effective, and the optimized model shows better performance and efficiency than the original models at similar working condition.},
	issn = {0039-2480},	pages = {386-397},	doi = {10.5545/sv-jme.2018.5901},
	url = {https://www.sv-jme.eu/article/numerical-simulation-based-effect-characterization-and-design-optimization-of-micro-cross-flow-turbine/}
}
Woldemariam, E.,Lemu, H.
2019 June 65. Numerical Simulation-Based Effect Characterization and Design Optimization of a Micro Cross-Flow Turbine. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 65:6
%A Woldemariam, Endashaw T.
%A Lemu, Hirpa G.
%D 2019
%T Numerical Simulation-Based Effect Characterization and Design Optimization of a Micro Cross-Flow Turbine
%B 2019
%9 crossflow turbine; micro hydro turbine; numerical simulation metamodel based optimization
%! Numerical Simulation-Based Effect Characterization and Design Optimization of a Micro Cross-Flow Turbine
%K crossflow turbine; micro hydro turbine; numerical simulation metamodel based optimization
%X In this era of high power demand along with a need for sustainability, small and micro-scale hydro turbines are indispensable, especially for off-grid power generation. These hydro-turbines are more appealing, particularly for small-scale enterprises, hospitals, telecommunication facilities, residential buildings, and other public institutions located in remote areas that have rich hydropower potential. Due to their simple design, manufacturability, and maintainability, micro cross-flow turbines are more feasible and applicable for power generation in undeveloped and developing countries with scattered hydropower resources. Such hydropower generation is environmentally friendly as their construction and operations have no significant effect on the surrounding ecosystem. To extract the highest possible power, however, the power generation efficiency of cross-flow turbines are is yet well optimized. In this paper, a numerical-based investigation on 3D numerical models and a design optimization study that is aimed at improving the turbine’s performance has been studied and reported. A numerical simulation-based metamodel assisting optimization approach is deployed to carry out the optimization after the characterization of the design parameters, following a previous experimental study on a similar model. The benefits of the approach with regard to computational costs and outcome of the optimization are discussed. Responses from the optimized design are compared against the original design responses at different magnitudes of design parameters. Published experimental test results based on similar conditions are used to verify the models at each stage. The approach is found effective, and the optimized model shows better performance and efficiency than the original models at similar working condition.
%U https://www.sv-jme.eu/article/numerical-simulation-based-effect-characterization-and-design-optimization-of-micro-cross-flow-turbine/
%0 Journal Article
%R 10.5545/sv-jme.2018.5901
%& 386
%P 12
%J Strojniški vestnik - Journal of Mechanical Engineering
%V 65
%N 6
%@ 0039-2480
%8 2019-06-21
%7 2019-06-21
Woldemariam, Endashaw, & Hirpa G. Lemu.
"Numerical Simulation-Based Effect Characterization and Design Optimization of a Micro Cross-Flow Turbine." Strojniški vestnik - Journal of Mechanical Engineering [Online], 65.6 (2019): 386-397. Web.  21 Sep. 2019
TY  - JOUR
AU  - Woldemariam, Endashaw T.
AU  - Lemu, Hirpa G.
PY  - 2019
TI  - Numerical Simulation-Based Effect Characterization and Design Optimization of a Micro Cross-Flow Turbine
JF  - Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2018.5901
KW  - crossflow turbine; micro hydro turbine; numerical simulation metamodel based optimization
N2  - In this era of high power demand along with a need for sustainability, small and micro-scale hydro turbines are indispensable, especially for off-grid power generation. These hydro-turbines are more appealing, particularly for small-scale enterprises, hospitals, telecommunication facilities, residential buildings, and other public institutions located in remote areas that have rich hydropower potential. Due to their simple design, manufacturability, and maintainability, micro cross-flow turbines are more feasible and applicable for power generation in undeveloped and developing countries with scattered hydropower resources. Such hydropower generation is environmentally friendly as their construction and operations have no significant effect on the surrounding ecosystem. To extract the highest possible power, however, the power generation efficiency of cross-flow turbines are is yet well optimized. In this paper, a numerical-based investigation on 3D numerical models and a design optimization study that is aimed at improving the turbine’s performance has been studied and reported. A numerical simulation-based metamodel assisting optimization approach is deployed to carry out the optimization after the characterization of the design parameters, following a previous experimental study on a similar model. The benefits of the approach with regard to computational costs and outcome of the optimization are discussed. Responses from the optimized design are compared against the original design responses at different magnitudes of design parameters. Published experimental test results based on similar conditions are used to verify the models at each stage. The approach is found effective, and the optimized model shows better performance and efficiency than the original models at similar working condition.
UR  - https://www.sv-jme.eu/article/numerical-simulation-based-effect-characterization-and-design-optimization-of-micro-cross-flow-turbine/
@article{{sv-jme}{sv-jme.2018.5901},
	author = {Woldemariam, E., Lemu, H.},
	title = {Numerical Simulation-Based Effect Characterization and Design Optimization of a Micro Cross-Flow Turbine},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {65},
	number = {6},
	year = {2019},
	doi = {10.5545/sv-jme.2018.5901},
	url = {https://www.sv-jme.eu/article/numerical-simulation-based-effect-characterization-and-design-optimization-of-micro-cross-flow-turbine/}
}
TY  - JOUR
AU  - Woldemariam, Endashaw T.
AU  - Lemu, Hirpa G.
PY  - 2019/06/21
TI  - Numerical Simulation-Based Effect Characterization and Design Optimization of a Micro Cross-Flow Turbine
JF  - Strojniški vestnik - Journal of Mechanical Engineering; Vol 65, No 6 (2019): Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2018.5901
KW  - crossflow turbine, micro hydro turbine, numerical simulation metamodel based optimization
N2  - In this era of high power demand along with a need for sustainability, small and micro-scale hydro turbines are indispensable, especially for off-grid power generation. These hydro-turbines are more appealing, particularly for small-scale enterprises, hospitals, telecommunication facilities, residential buildings, and other public institutions located in remote areas that have rich hydropower potential. Due to their simple design, manufacturability, and maintainability, micro cross-flow turbines are more feasible and applicable for power generation in undeveloped and developing countries with scattered hydropower resources. Such hydropower generation is environmentally friendly as their construction and operations have no significant effect on the surrounding ecosystem. To extract the highest possible power, however, the power generation efficiency of cross-flow turbines are is yet well optimized. In this paper, a numerical-based investigation on 3D numerical models and a design optimization study that is aimed at improving the turbine’s performance has been studied and reported. A numerical simulation-based metamodel assisting optimization approach is deployed to carry out the optimization after the characterization of the design parameters, following a previous experimental study on a similar model. The benefits of the approach with regard to computational costs and outcome of the optimization are discussed. Responses from the optimized design are compared against the original design responses at different magnitudes of design parameters. Published experimental test results based on similar conditions are used to verify the models at each stage. The approach is found effective, and the optimized model shows better performance and efficiency than the original models at similar working condition.
UR  - https://www.sv-jme.eu/article/numerical-simulation-based-effect-characterization-and-design-optimization-of-micro-cross-flow-turbine/
Woldemariam, Endashaw, AND Lemu, Hirpa.
"Numerical Simulation-Based Effect Characterization and Design Optimization of a Micro Cross-Flow Turbine" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 65 Number 6 (21 June 2019)

Authors

Affiliations

  • University of Stavanger, Faculty of Science and Technology, Norway
  • University of Stavanger, Faculty of Science and Technology, Norway

Paper's information

Strojniški vestnik - Journal of Mechanical Engineering 65(2019)6, 386-397

10.5545/sv-jme.2018.5901

In this era of high power demand along with a need for sustainability, small and micro-scale hydro turbines are indispensable, especially for off-grid power generation. These hydro-turbines are more appealing, particularly for small-scale enterprises, hospitals, telecommunication facilities, residential buildings, and other public institutions located in remote areas that have rich hydropower potential. Due to their simple design, manufacturability, and maintainability, micro cross-flow turbines are more feasible and applicable for power generation in undeveloped and developing countries with scattered hydropower resources. Such hydropower generation is environmentally friendly as their construction and operations have no significant effect on the surrounding ecosystem. To extract the highest possible power, however, the power generation efficiency of cross-flow turbines are is yet well optimized. In this paper, a numerical-based investigation on 3D numerical models and a design optimization study that is aimed at improving the turbine’s performance has been studied and reported. A numerical simulation-based metamodel assisting optimization approach is deployed to carry out the optimization after the characterization of the design parameters, following a previous experimental study on a similar model. The benefits of the approach with regard to computational costs and outcome of the optimization are discussed. Responses from the optimized design are compared against the original design responses at different magnitudes of design parameters. Published experimental test results based on similar conditions are used to verify the models at each stage. The approach is found effective, and the optimized model shows better performance and efficiency than the original models at similar working condition.

crossflow turbine; micro hydro turbine; numerical simulation metamodel based optimization