Numerical optimization and experimental validation of the runner of a gravitational water vortex hydraulic turbine with a spiral inlet channel and a conical basin.
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| Title: | Numerical optimization and experimental validation of the runner of a gravitational water vortex hydraulic turbine with a spiral inlet channel and a conical basin. |
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| Authors: | Velásquez, Laura1 (AUTHOR) lisabel.velasquez@udea.edu.co, Romero-Menco, Fredys1 (AUTHOR), Rubio-Clemente, Ainhoa1,2 (AUTHOR), Posada, Alejandro3 (AUTHOR), Chica, Edwin1 (AUTHOR) |
| Source: | Renewable Energy: An International Journal. Jan2024, Vol. 220, pN.PAG-N.PAG. 1p. |
| Subject Terms: | *Inlets, Hydraulic turbines, Response surfaces (Statistics), Turbine efficiency, Regression analysis |
| Abstract: | This paper describes the use of the response surface methodology for the numerical optimization of the runner of a gravitational water vortex hydraulic turbine with a conical basin and a spiral inlet channel. The effect of the relative position of the runner (p), the number of blades (n), and the relation between the mean diameter of the blades (D b), and the diameter of the basin (D), ( D b / D) on the efficiency of the turbine was evaluated, and the optimum runner was determined. A second-order regression model representing the efficiency of the turbine was developed. From this model, it was found that the highest efficiency of 65.18% was reached when all the independent variables were set to their higher values, i.e., D b / D , n , and p equal to 0.45, 6, and 0.6, respectively. Experiments were performed using the optimal runner ( D b / D = 0. 45 , n = 6) and four values for p (0.4, 0.45, 0.50, and 0.55). It was not possible to test the optimal condition with p = 0. 6 , due to the final quality of the acrylic model, the runner collided with the walls of the cone. The experimental efficiencies for the p values were 30.13, 38.35, 53.19, and 60.77%, respectively. According to the response model, these efficiencies correspond to 28.84, 40.46, 50.80, and 59.99%, respectively. • Response surface methodology is used to numerically optimize the design of a GWVHT. • p , n and D b are selected to discern their effect on the turbine efficiency. • An efficiency of 65.18% is reached when D b / D , n and p are 0.45, 6 and 0.6. • The adjusted- R 2 of 97 %. 06 allows to accurately validate the second-order regression model. [ABSTRACT FROM AUTHOR] |
| Copyright of Renewable Energy: An International Journal is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | GreenFILE |
| FullText | Text: Availability: 0 |
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| Header | DbId: 8gh DbLabel: GreenFILE An: 174322084 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Numerical optimization and experimental validation of the runner of a gravitational water vortex hydraulic turbine with a spiral inlet channel and a conical basin. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Velásquez%2C+Laura%22">Velásquez, Laura</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> lisabel.velasquez@udea.edu.co</i><br /><searchLink fieldCode="AR" term="%22Romero-Menco%2C+Fredys%22">Romero-Menco, Fredys</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rubio-Clemente%2C+Ainhoa%22">Rubio-Clemente, Ainhoa</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Posada%2C+Alejandro%22">Posada, Alejandro</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chica%2C+Edwin%22">Chica, Edwin</searchLink><relatesTo>1</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Renewable+Energy%3A+An+International+Journal%22">Renewable Energy: An International Journal</searchLink>. Jan2024, Vol. 220, pN.PAG-N.PAG. 1p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22Inlets%22">Inlets</searchLink><br /><searchLink fieldCode="DE" term="%22Hydraulic+turbines%22">Hydraulic turbines</searchLink><br /><searchLink fieldCode="DE" term="%22Response+surfaces+%28Statistics%29%22">Response surfaces (Statistics)</searchLink><br /><searchLink fieldCode="DE" term="%22Turbine+efficiency%22">Turbine efficiency</searchLink><br /><searchLink fieldCode="DE" term="%22Regression+analysis%22">Regression analysis</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: This paper describes the use of the response surface methodology for the numerical optimization of the runner of a gravitational water vortex hydraulic turbine with a conical basin and a spiral inlet channel. The effect of the relative position of the runner (p), the number of blades (n), and the relation between the mean diameter of the blades (D b), and the diameter of the basin (D), ( D b / D) on the efficiency of the turbine was evaluated, and the optimum runner was determined. A second-order regression model representing the efficiency of the turbine was developed. From this model, it was found that the highest efficiency of 65.18% was reached when all the independent variables were set to their higher values, i.e., D b / D , n , and p equal to 0.45, 6, and 0.6, respectively. Experiments were performed using the optimal runner ( D b / D = 0. 45 , n = 6) and four values for p (0.4, 0.45, 0.50, and 0.55). It was not possible to test the optimal condition with p = 0. 6 , due to the final quality of the acrylic model, the runner collided with the walls of the cone. The experimental efficiencies for the p values were 30.13, 38.35, 53.19, and 60.77%, respectively. According to the response model, these efficiencies correspond to 28.84, 40.46, 50.80, and 59.99%, respectively. • Response surface methodology is used to numerically optimize the design of a GWVHT. • p , n and D b are selected to discern their effect on the turbine efficiency. • An efficiency of 65.18% is reached when D b / D , n and p are 0.45, 6 and 0.6. • The adjusted- R 2 of 97 %. 06 allows to accurately validate the second-order regression model. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Renewable Energy: An International Journal is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1016/j.renene.2023.119676 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 1 StartPage: N.PAG Subjects: – SubjectFull: Inlets Type: general – SubjectFull: Hydraulic turbines Type: general – SubjectFull: Response surfaces (Statistics) Type: general – SubjectFull: Turbine efficiency Type: general – SubjectFull: Regression analysis Type: general Titles: – TitleFull: Numerical optimization and experimental validation of the runner of a gravitational water vortex hydraulic turbine with a spiral inlet channel and a conical basin. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Velásquez, Laura – PersonEntity: Name: NameFull: Romero-Menco, Fredys – PersonEntity: Name: NameFull: Rubio-Clemente, Ainhoa – PersonEntity: Name: NameFull: Posada, Alejandro – PersonEntity: Name: NameFull: Chica, Edwin IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 01 Text: Jan2024 Type: published Y: 2024 Identifiers: – Type: issn-print Value: 09601481 Numbering: – Type: volume Value: 220 Titles: – TitleFull: Renewable Energy: An International Journal Type: main |
| ResultId | 1 |
