CFD characterization and optimization of the cavitation phenomenon in dredging centrifugal pumps
A model has been developed to characterize the cavitation phenomenon in dredging centrifugal pumps. The operating parameters of a cutter type dredger: swing speed, dredging depth, and inclination, impeller rpm, as well as slurry characterizations such as density and velocity, are introduced, to dete...
- Autores:
-
Ramirez, R.
- Tipo de recurso:
- Fecha de publicación:
- 2019
- Institución:
- Universidad del Atlántico
- Repositorio:
- Repositorio Uniatlantico
- Idioma:
- eng
- OAI Identifier:
- oai:repositorio.uniatlantico.edu.co:20.500.12834/915
- Acceso en línea:
- https://hdl.handle.net/20.500.12834/915
- Palabra clave:
- Cavitation; Centrifugal pump; CFD; Dredging; Slurry
- Rights
- openAccess
- License
- http://creativecommons.org/licenses/by-nc/4.0/
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CFD characterization and optimization of the cavitation phenomenon in dredging centrifugal pumps |
| title |
CFD characterization and optimization of the cavitation phenomenon in dredging centrifugal pumps |
| spellingShingle |
CFD characterization and optimization of the cavitation phenomenon in dredging centrifugal pumps Cavitation; Centrifugal pump; CFD; Dredging; Slurry |
| title_short |
CFD characterization and optimization of the cavitation phenomenon in dredging centrifugal pumps |
| title_full |
CFD characterization and optimization of the cavitation phenomenon in dredging centrifugal pumps |
| title_fullStr |
CFD characterization and optimization of the cavitation phenomenon in dredging centrifugal pumps |
| title_full_unstemmed |
CFD characterization and optimization of the cavitation phenomenon in dredging centrifugal pumps |
| title_sort |
CFD characterization and optimization of the cavitation phenomenon in dredging centrifugal pumps |
| dc.creator.fl_str_mv |
Ramirez, R. |
| dc.contributor.author.none.fl_str_mv |
Ramirez, R. |
| dc.contributor.other.none.fl_str_mv |
Avila, E. Lopez, L. Bula, A. Duarte Forero, J. |
| dc.subject.keywords.spa.fl_str_mv |
Cavitation; Centrifugal pump; CFD; Dredging; Slurry |
| topic |
Cavitation; Centrifugal pump; CFD; Dredging; Slurry |
| description |
A model has been developed to characterize the cavitation phenomenon in dredging centrifugal pumps. The operating parameters of a cutter type dredger: swing speed, dredging depth, and inclination, impeller rpm, as well as slurry characterizations such as density and velocity, are introduced, to determine how they influence the operation of the dredge pump. The geometric characterization of the hydraulic transport system of the dredger was performed. With the dredge operational ´s parameters, along with the geometric characterization, the pump is modeled in CFD turbomachinery software. To validate the operational points, the CFD model considers the RNG k-e model and the cavitating-multiphase flow. Through the central composite experiment design, the operating conditions range of the dredger is determined, in which the pump can operate and cavitate. This allows validating the model for different operational points. Finally, multiple regression shows the influence of each of the variables in the response obtained. Furthermore, the regression allows an understanding that operating conditions of the dredger must be adjusted to mitigate the phenomenon of cavitation in the dredging process. |
| publishDate |
2019 |
| dc.date.issued.none.fl_str_mv |
2019-12-25 |
| dc.date.submitted.none.fl_str_mv |
2019-01-06 |
| dc.date.accessioned.none.fl_str_mv |
2022-11-15T20:55:57Z |
| dc.date.available.none.fl_str_mv |
2022-11-15T20:55:57Z |
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http://purl.org/coar/version/c_970fb48d4fbd8a85 |
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http://purl.org/coar/resource_type/c_2df8fbb1 |
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info:eu-repo/semantics/article |
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info:eu-repo/semantics/publishedVersion |
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Artículo |
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publishedVersion |
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https://hdl.handle.net/20.500.12834/915 |
| dc.identifier.doi.none.fl_str_mv |
10.1016/j.aej.2019.12.041 |
| dc.identifier.instname.spa.fl_str_mv |
Universidad del Atlántico |
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Repositorio Universidad del Atlántico |
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https://hdl.handle.net/20.500.12834/915 |
| identifier_str_mv |
10.1016/j.aej.2019.12.041 Universidad del Atlántico Repositorio Universidad del Atlántico |
| dc.language.iso.spa.fl_str_mv |
eng |
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eng |
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Attribution-NonCommercial 4.0 International |
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info:eu-repo/semantics/openAccess |
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Ingeniería Mecánica |
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Sede Norte |
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Elsevier B.V. |
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Ramirez, R.58ef64be-ec7d-49d0-8237-e93b7fd3e6b9Avila, E.Lopez, L.Bula, A.Duarte Forero, J.2022-11-15T20:55:57Z2022-11-15T20:55:57Z2019-12-252019-01-06https://hdl.handle.net/20.500.12834/91510.1016/j.aej.2019.12.041Universidad del AtlánticoRepositorio Universidad del AtlánticoA model has been developed to characterize the cavitation phenomenon in dredging centrifugal pumps. The operating parameters of a cutter type dredger: swing speed, dredging depth, and inclination, impeller rpm, as well as slurry characterizations such as density and velocity, are introduced, to determine how they influence the operation of the dredge pump. The geometric characterization of the hydraulic transport system of the dredger was performed. With the dredge operational ´s parameters, along with the geometric characterization, the pump is modeled in CFD turbomachinery software. To validate the operational points, the CFD model considers the RNG k-e model and the cavitating-multiphase flow. Through the central composite experiment design, the operating conditions range of the dredger is determined, in which the pump can operate and cavitate. This allows validating the model for different operational points. Finally, multiple regression shows the influence of each of the variables in the response obtained. Furthermore, the regression allows an understanding that operating conditions of the dredger must be adjusted to mitigate the phenomenon of cavitation in the dredging process.application/pdfenghttp://creativecommons.org/licenses/by-nc/4.0/Attribution-NonCommercial 4.0 Internationalinfo:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Elsevier B.V.CFD characterization and optimization of the cavitation phenomenon in dredging centrifugal pumpsPúblico generalCavitation; Centrifugal pump; CFD; Dredging; Slurryinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArtículohttp://purl.org/coar/version/c_970fb48d4fbd8a85http://purl.org/coar/resource_type/c_2df8fbb1BarranquillaIngeniería MecánicaSede Norte[1] S.A. Miedema, A head loss model for slurry transport in the heterogeneous regime, Ocean Eng. 106 (2015) 360–370, https:// doi.org/10.1016/j.oceaneng.2015.07.015.[2] J. Tang, Q. Wang, Z. 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Heald, Pump Handbook, Vol. 3, McGraw-Hill, New York, 2001.http://purl.org/coar/resource_type/c_6501ORIGINAL1-s2.0-S1110016819301899-main.pdf1-s2.0-S1110016819301899-main.pdfapplication/pdf3296962https://repositorio.uniatlantico.edu.co/bitstream/20.500.12834/915/1/1-s2.0-S1110016819301899-main.pdf7c370faecfc8a2eb5c271e4eb8a66598MD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; charset=utf-8914https://repositorio.uniatlantico.edu.co/bitstream/20.500.12834/915/2/license_rdf24013099e9e6abb1575dc6ce0855efd5MD52LICENSElicense.txtlicense.txttext/plain; charset=utf-81306https://repositorio.uniatlantico.edu.co/bitstream/20.500.12834/915/3/license.txt67e239713705720ef0b79c50b2ececcaMD5320.500.12834/915oai:repositorio.uniatlantico.edu.co:20.500.12834/9152022-11-15 15:55:58.821DSpace de la Universidad de Atlánticosysadmin@mail.uniatlantico.edu.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 |