Parametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industry

The present study aims to use the analysis of CFD in a centrifugal dredge pump, to predict by mathematical correlations the effect that changes in the main variables of the dredging process would have on the behavior and efficiency of the pump. The OpenFOAM® open source software is used for the deve...

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Autores:
Cárdenas-Gutiérrez, Javier Alfonso
Valencia Ochoa, Guillermo
Duarte Forero, Jorge
Tipo de recurso:
Article of journal
Fecha de publicación:
2020
Institución:
Universidad Francisco de Paula Santander
Repositorio:
Repositorio Digital UFPS
Idioma:
eng
OAI Identifier:
oai:repositorio.ufps.edu.co:ufps/1209
Acceso en línea:
http://repositorio.ufps.edu.co/handle/ufps/1209
http://dx.doi.org/10.25103/jestr.133.02
Palabra clave:
Centrifugal pumps
CFD
Correlation
Dredging
Parametric
Rights
openAccess
License
© 2008 - 2021 JESTR
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dc.title.eng.fl_str_mv Parametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industry
title Parametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industry
spellingShingle Parametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industry
Centrifugal pumps
CFD
Correlation
Dredging
Parametric
title_short Parametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industry
title_full Parametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industry
title_fullStr Parametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industry
title_full_unstemmed Parametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industry
title_sort Parametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industry
dc.creator.fl_str_mv Cárdenas-Gutiérrez, Javier Alfonso
Valencia Ochoa, Guillermo
Duarte Forero, Jorge
dc.contributor.author.none.fl_str_mv Cárdenas-Gutiérrez, Javier Alfonso
Valencia Ochoa, Guillermo
Duarte Forero, Jorge
dc.subject.proposal.eng.fl_str_mv Centrifugal pumps
CFD
Correlation
Dredging
Parametric
topic Centrifugal pumps
CFD
Correlation
Dredging
Parametric
description The present study aims to use the analysis of CFD in a centrifugal dredge pump, to predict by mathematical correlations the effect that changes in the main variables of the dredging process would have on the behavior and efficiency of the pump. The OpenFOAM® open source software is used for the development of the study, through which a series of operating conditions that the dredging pump experiences in its operation were reproduced. The information collected from the output variables in the pump allowed us through statistical analysis, the development of mathematical correlations that allow us to directly identify the relationships between the process variables and their influence on the pump behavior (suction pressure, discharge pressure, total dynamic head, NPSHr and efficiency). The results obtained indicate that the simulation process allows a high prediction to be obtained with respect to the actual pump conditions (error below 4%). Mathematical correlations demonstrated efficiency for the operating range of work from 83% to 64%. Additionally, the NPSHr analysis allows defining operating limits that avoid adverse effects such as cavitation.
publishDate 2020
dc.date.issued.none.fl_str_mv 2020-06-20
dc.date.accessioned.none.fl_str_mv 2021-11-21T20:27:22Z
dc.date.available.none.fl_str_mv 2021-11-21T20:27:22Z
dc.type.spa.fl_str_mv Artículo de revista
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dc.identifier.doi.none.fl_str_mv http://dx.doi.org/10.25103/jestr.133.02
url http://repositorio.ufps.edu.co/handle/ufps/1209
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dc.language.iso.spa.fl_str_mv eng
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dc.relation.ispartof.none.fl_str_mv Journal of Engineering Science and Technology Review
dc.relation.citationedition.spa.fl_str_mv Vol.13 No.3.(2020)
dc.relation.citationendpage.spa.fl_str_mv 14
dc.relation.citationissue.spa.fl_str_mv 3(2020)
dc.relation.citationstartpage.spa.fl_str_mv 8
dc.relation.citationvolume.spa.fl_str_mv 13
dc.relation.cites.none.fl_str_mv Gutierrez, J. C., Ochoa, G. V., & Forero, J. D. (2020). Parametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industry. Journal of Engineering Science and Technology Review, 13(3), 8-14.
dc.relation.ispartofjournal.spa.fl_str_mv Journal of Engineering Science and Technology Review
dc.rights.eng.fl_str_mv © 2008 - 2021 JESTR
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dc.rights.creativecommons.spa.fl_str_mv Atribución-NoComercial 4.0 Internacional (CC BY-NC 4.0)
rights_invalid_str_mv © 2008 - 2021 JESTR
Atribución-NoComercial 4.0 Internacional (CC BY-NC 4.0)
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eu_rights_str_mv openAccess
dc.format.extent.spa.fl_str_mv 07 páginas
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dc.publisher.spa.fl_str_mv Journal of Engineering Science and Technology Review
dc.publisher.place.spa.fl_str_mv Grecia
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spelling Cárdenas-Gutiérrez, Javier Alfonsodd210a6fa11a29d7d1d6933e2f3c68b2600Valencia Ochoa, Guillermo7b9fd01ee22f884965a5cd038e2d734dDuarte Forero, Jorge48f5c819166f76baf66b83fb1397bd6b6002021-11-21T20:27:22Z2021-11-21T20:27:22Z2020-06-20http://repositorio.ufps.edu.co/handle/ufps/1209http://dx.doi.org/10.25103/jestr.133.02The present study aims to use the analysis of CFD in a centrifugal dredge pump, to predict by mathematical correlations the effect that changes in the main variables of the dredging process would have on the behavior and efficiency of the pump. The OpenFOAM® open source software is used for the development of the study, through which a series of operating conditions that the dredging pump experiences in its operation were reproduced. The information collected from the output variables in the pump allowed us through statistical analysis, the development of mathematical correlations that allow us to directly identify the relationships between the process variables and their influence on the pump behavior (suction pressure, discharge pressure, total dynamic head, NPSHr and efficiency). The results obtained indicate that the simulation process allows a high prediction to be obtained with respect to the actual pump conditions (error below 4%). Mathematical correlations demonstrated efficiency for the operating range of work from 83% to 64%. Additionally, the NPSHr analysis allows defining operating limits that avoid adverse effects such as cavitation.07 páginasapplication/pdfengJournal of Engineering Science and Technology ReviewGreciaJournal of Engineering Science and Technology ReviewVol.13 No.3.(2020)143(2020)813Gutierrez, J. C., Ochoa, G. V., & Forero, J. D. (2020). Parametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industry. Journal of Engineering Science and Technology Review, 13(3), 8-14.Journal of Engineering Science and Technology Review© 2008 - 2021 JESTRinfo:eu-repo/semantics/openAccessAtribución-NoComercial 4.0 Internacional (CC BY-NC 4.0)http://purl.org/coar/access_right/c_abf2http://www.jestr.org/index.php?option=com_content&view=article&id=71&Itemid=118Parametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industryArtículo de revistahttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1Textinfo:eu-repo/semantics/articlehttp://purl.org/redcol/resource_type/ARTinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/version/c_970fb48d4fbd8a85Centrifugal pumpsCFDCorrelationDredgingParametricKassanos, I., Chrysovergis, M., Anagnostopoulos, J., Charalampopoulos, G., Rokas, S., Lekanidis, S., Kontominas, I., Papantonis, D. Numerical Optimization of a Centrifugal Pump Impeller with Splitter Blades Running in Reverse Mode. International Review of Mechanical Engineering (IREME), 10 (4), 2016, 215, ISSN 1970-8742.Wilson, K. C., Addie, G. R., Sellgren, A., Clift, R. Slurry Transport Using Centrifugal Pumps, Springer (2000). ISBN 9780387232621.Stefanizzi, M., Torresi, M., Fornarelli, F., Fortunato, B., Camporeale, S. M. Performance prediction model of multistage centrifugal Pumps used as Turbines with Two-Phase Flow. Energy Procedia, 148, 2018, 408–415, ISSN 1876-6102.Lorusso, M., Capurso, T., Torresi, M., Fortunato, B., Fornarelli, F., Camporeale, S. M., Monteriso, R. Efficient CFD evaluation of the NPSH for centrifugal pumps. Energy Procedia, 126, 2017, 778–785, ISSN 1876-6102Cucit, V., Burlon, F., Fenu, G., Furlanetto, R., Pellegrino, F. A., Simonato, M. A control system for preventing cavitation of centrifugal pumps. Energy Procedia, 148, 2018, 242–249, ISSN 1876-6102.Cheng, X., Li, R. Parameter equation study for screw centrifugal pump. Procedia Engineering, 31, 2012, 914–921, ISSN 1877-7058Skrzypacz, J., Bieganowski, M. The influence of micro grooves on the parameters of the centrifugal pump impeller. International Journal of Mechanical Sciences, 144, 2018, 827–835, ISSN 0020- 7403.Zhu, X., Li, G., Jiang, W., Fu, L. Experimental and numerical investigation on application of half vane diffusers for centrifugal pump. International Communications in Heat and Mass Transfer, 79, 2016, 114–127, ISSN 0735-1933.Ye, Y., Zhu, X., Lai, F., Li, G. Application of the semi-analytical cavitation model to flows in a centrifugal pump. International Communications in Heat and Mass Transfer, 86, 2017, 92–100, ISSN 0735-1933.Capurso, T., Bergamini, L., Torresi, M. Design and CFD performance analysis of a novel impeller for double suction centrifugal pumps. Nuclear Engineering and Design, 341, 2019, 155–166, ISSN 0029-5493.Yu, R., Liu, J. Failure analysis of centrifugal pump impeller. Engineering Failure Analysis, 92, 2018, 343–349, ISSN 1350-6307.Chalghoum, I., Elaoud, S., Akrout, M., Taieb, E. H. Transient behavior of a centrifugal pump during starting period. Applied Acoustics, 109, 2016, 82–89, ISSN 0003-682X.Miedema, S. A. A head loss model for slurry transport in the heterogeneous regime. Ocean Engineering, 106, 2015, 360–370, ISSN 00298018.Derakhshan, S., Nourbakhsh, A. Theoretical, numerical and experimental investigation of centrifugal pumps in reverse operation. Experimental Thermal and Fluid Science, 32 (8), 2008, 1620–1627, ISSN 08941777.Roco, M. C., Addie, G. R., Visintainer, R. Study on casing performances in centrifugal slurry pumps. Particulate Science and Technology, 3 (1–2), 2007, 65–88, ISSN 15480046.Yoo, I. S., Park, M. R., Chung, M. K. Improved momentum exchange theory for incompressible regenerative turbomachines. Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 219 (7), 2005, 567–581, ISSN 09576509.Casari, N., Fadiga, E., Pinelli, M., Randi, S., Suman, A. Pressure Pulsation and Cavitation Phenomena in a Micro-ORC System. Energies, 12 (11), 2019, 2186, ISSN 1996-1073.Ragoth Singh, R., Nataraj, M., Surendar, S., Siva, M. Investigation of a centrifugal pump impeller vane profile using CFD. International Review on Modelling and Simulations, 6 (2), 2013, 1327–1333, ISSN 25331701.Al Asemi, H., S. M. A., A., Zahari, R., Aziz, F. A., Ahmad, K. A. Application of Computational Fluid Dynamics in Piping Distribution System and Special Focus on the Arabian Peninsula: a Review. International Review of Mechanical Engineering (IREME), 13 (1), 2019, 1, ISSN 2532-5655.Maluta, F., Paglianti, A., Montante, G. RANS-based predictions of dense solid–liquid suspensions in turbulent stirred tanks. 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Chinese Journal of Mechanical Engineering, 25 (6), 2012, 1184–1189, ISSN 1000-9345.ORIGINALParametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industry.pdfParametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industry.pdfapplication/pdf1522017https://repositorio.ufps.edu.co/bitstream/ufps/1209/1/Parametric%20analysis%20CFD%20of%20the%20hydraulic%20performance%20of%20a%20centrifugal%20pump%20with%20applications%20to%20the%20dredging%20industry.pdf4a614ddea7ec49ea5bd121893529abdfMD51open accessLICENSElicense.txtlicense.txttext/plain; charset=utf-814828https://repositorio.ufps.edu.co/bitstream/ufps/1209/2/license.txt2f9959eaf5b71fae44bbf9ec84150c7aMD52open accessTEXTParametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industry.pdf.txtParametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industry.pdf.txtExtracted texttext/plain23849https://repositorio.ufps.edu.co/bitstream/ufps/1209/3/Parametric%20analysis%20CFD%20of%20the%20hydraulic%20performance%20of%20a%20centrifugal%20pump%20with%20applications%20to%20the%20dredging%20industry.pdf.txtddbe3e9c0d4b26eaa45c159721a290a8MD53open accessTHUMBNAILParametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industry.pdf.jpgParametric analysis CFD of the hydraulic performance of a centrifugal pump with applications to the dredging industry.pdf.jpgGenerated Thumbnailimage/jpeg15079https://repositorio.ufps.edu.co/bitstream/ufps/1209/4/Parametric%20analysis%20CFD%20of%20the%20hydraulic%20performance%20of%20a%20centrifugal%20pump%20with%20applications%20to%20the%20dredging%20industry.pdf.jpg7220aba0457d2de1ffb536e64fe46598MD54open accessufps/1209oai:repositorio.ufps.edu.co:ufps/12092022-05-23 11:01:33.95open accessRepositorio Universidad Francisco de 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 incorporada en las Obras Colectivas.

b.	Distribuir copias o fonogramas de las Obras, exhibirlas públicamente, ejecutarlas públicamente y/o ponerlas a disposición pública, incluyéndolas como incorporadas en Obras Colectivas, según corresponda.

c.	Distribuir copias de las Obras Derivadas que se generen, exhibirlas públicamente, ejecutarlas públicamente y/o ponerlas a disposición pública.
Los derechos mencionados anteriormente pueden ser ejercidos en todos los medios y formatos, actualmente conocidos o que se inventen en el futuro. Los derechos antes mencionados incluyen el derecho a realizar dichas modificaciones en la medida que sean técnicamente necesarias para ejercer los derechos en otro medio o formatos, pero de otra manera usted no está autorizado para realizar obras derivadas. Todos los derechos no otorgados expresamente por el Licenciante quedan por este medio reservados, incluyendo pero sin limitarse a aquellos que se mencionan en las secciones 4(d) y 4(e).

4. Restricciones.
La licencia otorgada en la anterior Sección 3 está expresamente sujeta y limitada por las siguientes restricciones:

a.	Usted puede distribuir, exhibir públicamente, ejecutar públicamente, o poner a disposición pública la Obra sólo bajo las condiciones de esta Licencia, y Usted debe incluir una copia de esta licencia o del Identificador Universal de Recursos de la misma con cada copia de la Obra que distribuya, exhiba públicamente, ejecute públicamente o ponga a disposición pública. No es posible ofrecer o imponer ninguna condición sobre la Obra que altere o limite las condiciones de esta Licencia o el ejercicio de los derechos de los destinatarios otorgados en este documento. No es posible sublicenciar la Obra. Usted debe mantener intactos todos los avisos que hagan referencia a esta Licencia y a la cláusula de limitación de garantías. Usted no puede distribuir, exhibir públicamente, ejecutar públicamente, o poner a disposición pública la Obra con alguna medida tecnológica que controle el acceso o la utilización de ella de una forma que sea inconsistente con las condiciones de esta Licencia. Lo anterior se aplica a la Obra incorporada a una Obra Colectiva, pero esto no exige que la Obra Colectiva aparte de la obra misma quede sujeta a las condiciones de esta Licencia. Si Usted crea una Obra Colectiva, previo aviso de cualquier Licenciante debe, en la medida de lo posible, eliminar de la Obra Colectiva cualquier referencia a dicho Licenciante o al Autor Original, según lo solicitado por el Licenciante y conforme lo exige la cláusula 4(c).

b.	Usted no puede ejercer ninguno de los derechos que le han sido otorgados en la Sección 3 precedente de modo que estén principalmente destinados o directamente dirigidos a conseguir un provecho comercial o una compensación monetaria privada. El intercambio de la Obra por otras obras protegidas por derechos de autor, ya sea a través de un sistema para compartir archivos digitales (digital file-sharing) o de cualquier otra manera no será considerado como estar destinado principalmente o dirigido directamente a conseguir un provecho comercial o una compensación monetaria privada, siempre que no se realice un pago mediante una compensación monetaria en relación con el intercambio de obras protegidas por el derecho de autor.

c.	Si usted distribuye, exhibe públicamente, ejecuta públicamente o ejecuta públicamente en forma digital la Obra o cualquier Obra Derivada u Obra Colectiva, Usted debe mantener intacta toda la información de derecho de autor de la Obra y proporcionar, de forma razonable según el medio o manera que Usted esté utilizando: (i) el nombre del Autor Original si está provisto (o seudónimo, si fuere aplicable), y/o (ii) el nombre de la parte o las partes que el Autor Original y/o el Licenciante hubieren designado para la atribución (v.g., un instituto patrocinador, editorial, publicación) en la información de los derechos de autor del Licenciante, términos de servicios o de otras formas razonables; el título de la Obra si está provisto; en la medida de lo razonablemente factible y, si está provisto, el Identificador Uniforme de Recursos (Uniform Resource Identifier) que el Licenciante especifica para ser asociado con la Obra, salvo que tal URI no se refiera a la nota sobre los derechos de autor o a la información sobre el licenciamiento de la Obra; y en el caso de una Obra Derivada, atribuir el crédito identificando el uso de la Obra en la Obra Derivada (v.g., "Traducción Francesa de la Obra del Autor Original," o "Guión Cinematográfico basado en la Obra original del Autor Original"). Tal crédito puede ser implementado de cualquier forma razonable; en el caso, sin embargo, de Obras Derivadas u Obras Colectivas, tal crédito aparecerá, como mínimo, donde aparece el crédito de cualquier otro autor comparable y de una manera, al menos, tan destacada como el crédito de otro autor comparable.

d.	Para evitar toda confusión, el Licenciante aclara que, cuando la obra es una composición musical:

i.	Regalías por interpretación y ejecución bajo licencias generales. El Licenciante se reserva el derecho exclusivo de autorizar la ejecución pública o la ejecución pública digital de la obra y de recolectar, sea individualmente o a través de una sociedad de gestión colectiva de derechos de autor y derechos conexos (por ejemplo, SAYCO), las regalías por la ejecución pública o por la ejecución pública digital de la obra (por ejemplo Webcast) licenciada bajo licencias generales, si la interpretación o ejecución de la obra está primordialmente orientada por o dirigida a la obtención de una ventaja comercial o una compensación monetaria privada.

ii.	Regalías por Fonogramas. El Licenciante se reserva el derecho exclusivo de recolectar, individualmente o a través de una sociedad de gestión colectiva de derechos de autor y derechos conexos (por ejemplo, los consagrados por la SAYCO), una agencia de derechos musicales o algún agente designado, las regalías por cualquier fonograma que Usted cree a partir de la obra (“versión cover”) y distribuya, en los términos del régimen de derechos de autor, si la creación o distribución de esa versión cover está primordialmente destinada o dirigida a obtener una ventaja comercial o una compensación monetaria privada.

e.	Gestión de Derechos de Autor sobre Interpretaciones y Ejecuciones Digitales (WebCasting). Para evitar toda confusión, el Licenciante aclara que, cuando la obra sea un fonograma, el Licenciante se reserva el derecho exclusivo de autorizar la ejecución pública digital de la obra (por ejemplo, webcast) y de recolectar, individualmente o a través de una sociedad de gestión colectiva de derechos de autor y derechos conexos (por ejemplo, ACINPRO), las regalías por la ejecución pública digital de la obra (por ejemplo, webcast), sujeta a las disposiciones aplicables del régimen de Derecho de Autor, si esta ejecución pública digital está primordialmente dirigida a obtener una ventaja comercial o una compensación monetaria privada.

5. Representaciones, Garantías y Limitaciones de Responsabilidad.
A MENOS QUE LAS PARTES LO ACORDARAN DE OTRA FORMA POR ESCRITO, EL LICENCIANTE OFRECE LA OBRA (EN EL ESTADO EN EL QUE SE ENCUENTRA) “TAL CUAL”, SIN BRINDAR GARANTÍAS DE CLASE ALGUNA RESPECTO DE LA OBRA, YA SEA EXPRESA, IMPLÍCITA, LEGAL O CUALQUIERA OTRA, INCLUYENDO, SIN LIMITARSE A ELLAS, GARANTÍAS DE TITULARIDAD, COMERCIABILIDAD, ADAPTABILIDAD O ADECUACIÓN A PROPÓSITO DETERMINADO, AUSENCIA DE INFRACCIÓN, DE AUSENCIA DE DEFECTOS LATENTES O DE OTRO TIPO, O LA PRESENCIA O AUSENCIA DE ERRORES, SEAN O NO DESCUBRIBLES (PUEDAN O NO SER ESTOS DESCUBIERTOS). ALGUNAS JURISDICCIONES NO PERMITEN LA EXCLUSIÓN DE GARANTÍAS IMPLÍCITAS, EN CUYO CASO ESTA EXCLUSIÓN PUEDE NO APLICARSE A USTED.

6. Limitación de responsabilidad.
A MENOS QUE LO EXIJA EXPRESAMENTE LA LEY APLICABLE, EL LICENCIANTE NO SERÁ RESPONSABLE ANTE USTED POR DAÑO ALGUNO, SEA POR RESPONSABILIDAD EXTRACONTRACTUAL, PRECONTRACTUAL O CONTRACTUAL, OBJETIVA O SUBJETIVA, SE TRATE DE DAÑOS MORALES O PATRIMONIALES, DIRECTOS O INDIRECTOS, PREVISTOS O IMPREVISTOS PRODUCIDOS POR EL USO DE ESTA LICENCIA O DE LA OBRA, AUN CUANDO EL LICENCIANTE HAYA SIDO ADVERTIDO DE LA POSIBILIDAD DE DICHOS DAÑOS. ALGUNAS LEYES NO PERMITEN LA EXCLUSIÓN DE CIERTA RESPONSABILIDAD, EN CUYO CASO ESTA EXCLUSIÓN PUEDE NO APLICARSE A USTED.

7. Término.

a.	Esta Licencia y los derechos otorgados en virtud de ella terminarán automáticamente si Usted infringe alguna condición establecida en ella. Sin embargo, los individuos o entidades que han recibido Obras Derivadas o Colectivas de Usted de conformidad con esta Licencia, no verán terminadas sus licencias, siempre que estos individuos o entidades sigan cumpliendo íntegramente las condiciones de estas licencias. Las Secciones 1, 2, 5, 6, 7, y 8 subsistirán a cualquier terminación de esta Licencia.

b.	Sujeta a las condiciones y términos anteriores, la licencia otorgada aquí es perpetua (durante el período de vigencia de los derechos de autor de la obra). No obstante lo anterior, el Licenciante se reserva el derecho a publicar y/o estrenar la Obra bajo condiciones de licencia diferentes o a dejar de distribuirla en los términos de esta Licencia en cualquier momento; en el entendido, sin embargo, que esa elección no servirá para revocar esta licencia o que deba ser otorgada , bajo los términos de esta licencia), y esta licencia continuará en pleno vigor y efecto a menos que sea terminada como se expresa atrás. La Licencia revocada continuará siendo plenamente vigente y efectiva si no se le da término en las condiciones indicadas anteriormente.

8. Varios.

a.	Cada vez que Usted distribuya o ponga a disposición pública la Obra o una Obra Colectiva, el Licenciante ofrecerá al destinatario una licencia en los mismos términos y condiciones que la licencia otorgada a Usted bajo esta Licencia.

b.	Si alguna disposición de esta Licencia resulta invalidada o no exigible, según la legislación vigente, esto no afectará ni la validez ni la aplicabilidad del resto de condiciones de esta Licencia y, sin acción adicional por parte de los sujetos de este acuerdo, aquélla se entenderá reformada lo mínimo necesario para hacer que dicha disposición sea válida y exigible.

c.	Ningún término o disposición de esta Licencia se estimará renunciada y ninguna violación de ella será consentida a menos que esa renuncia o consentimiento sea otorgado por escrito y firmado por la parte que renuncie o consienta.

d.	Esta Licencia refleja el acuerdo pleno entre las partes respecto a la Obra aquí licenciada. No hay arreglos, acuerdos o declaraciones respecto a la Obra que no estén especificados en este documento. El Licenciante no se verá limitado por ninguna disposición adicional que pueda surgir en alguna comunicación emanada de Usted. Esta Licencia no puede ser modificada sin el consentimiento mutuo por escrito del Licenciante y Usted.
0000-0002-9894-0177dd210a6fa11a29d7d1d6933e2f3c68b26000000-0001-7345-959048f5c819166f76baf66b83fb1397bd6b600