Investigation of vortex dynamics diagnosis in the stall state of mixed-flow pump with blade gap size effect

Abstract Rotating stall always occurs in the mixed-flow pump operating at partial load condition, not merely affecting the unit efficiency, but also generating more serious turbulent flow fields. The tip leakage vortex (TLV), as a classic vortex structure in hydraulic machinery, is deserved to inves...
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Autor*in:	Ji, Leilei [verfasserIn] Li, Yongkang Li, Wei Li, Shuo Yang, Yongfei Yang, Yang Li, Haoming Agarwal, Ramesh K.

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Mixed-flow pump Vortex dynamics diagnosis Rotating stall Tip leakage vortex Boundary vorticity flux

Anmerkung:	© The Author(s), under exclusive licence to The Brazilian Society of Mechanical Sciences and Engineering 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

Übergeordnetes Werk:	Enthalten in: Journal of the Brazilian Society of Mechanical Sciences and Engineering - Berlin : Springer, 2003, 45(2023), 8 vom: 05. Juli
Übergeordnetes Werk:	volume:45 ; year:2023 ; number:8 ; day:05 ; month:07

Links:	Volltext

DOI / URN:	10.1007/s40430-023-04268-w

Katalog-ID:	SPR052163156

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520			\|a Abstract Rotating stall always occurs in the mixed-flow pump operating at partial load condition, not merely affecting the unit efficiency, but also generating more serious turbulent flow fields. The tip leakage vortex (TLV), as a classic vortex structure in hydraulic machinery, is deserved to investigate the impact on the energy conversion instability of mixed-flow pumps. In this study, the blade tip size effect has been considered and the stall transition flow fields are investigated in detail based on the vortex dynamics diagnosis (VDD) method. The research results show that the blade tip size plays a pivotal role in the stall range of mixed-flow pump, and display a shrinking tendency with size growth. The negative value of total pressure flow integral (TPFI) Pu comes up with the inlet recirculation vortex and the large-scale stall vortex affected by the stall unsteady flow, which stands at the impeller inlet and outlet. The Pu and stall flow in the guide vane channel are also affected indirectly by the impeller gap size, not just the stall flow in the impeller. Thus, the selection and control of impeller gap size will provide a light perspective for the pump optimization and stall control in the mixed-flow pump.
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allfields	10.1007/s40430-023-04268-w doi (DE-627)SPR052163156 (SPR)s40430-023-04268-w-e DE-627 ger DE-627 rakwb eng Ji, Leilei verfasserin aut Investigation of vortex dynamics diagnosis in the stall state of mixed-flow pump with blade gap size effect 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to The Brazilian Society of Mechanical Sciences and Engineering 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Rotating stall always occurs in the mixed-flow pump operating at partial load condition, not merely affecting the unit efficiency, but also generating more serious turbulent flow fields. The tip leakage vortex (TLV), as a classic vortex structure in hydraulic machinery, is deserved to investigate the impact on the energy conversion instability of mixed-flow pumps. In this study, the blade tip size effect has been considered and the stall transition flow fields are investigated in detail based on the vortex dynamics diagnosis (VDD) method. The research results show that the blade tip size plays a pivotal role in the stall range of mixed-flow pump, and display a shrinking tendency with size growth. The negative value of total pressure flow integral (TPFI) Pu comes up with the inlet recirculation vortex and the large-scale stall vortex affected by the stall unsteady flow, which stands at the impeller inlet and outlet. The Pu and stall flow in the guide vane channel are also affected indirectly by the impeller gap size, not just the stall flow in the impeller. Thus, the selection and control of impeller gap size will provide a light perspective for the pump optimization and stall control in the mixed-flow pump. Mixed-flow pump (dpeaa)DE-He213 Vortex dynamics diagnosis (dpeaa)DE-He213 Rotating stall (dpeaa)DE-He213 Tip leakage vortex (dpeaa)DE-He213 Boundary vorticity flux (dpeaa)DE-He213 Li, Yongkang aut Li, Wei (orcid)0000-0003-1130-4336 aut Li, Shuo aut Yang, Yongfei aut Yang, Yang aut Li, Haoming aut Agarwal, Ramesh K. aut Enthalten in Journal of the Brazilian Society of Mechanical Sciences and Engineering Berlin : Springer, 2003 45(2023), 8 vom: 05. Juli (DE-627)387477950 (DE-600)2145288-X 1806-3691 nnns volume:45 year:2023 number:8 day:05 month:07 https://dx.doi.org/10.1007/s40430-023-04268-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 45 2023 8 05 07
spelling	10.1007/s40430-023-04268-w doi (DE-627)SPR052163156 (SPR)s40430-023-04268-w-e DE-627 ger DE-627 rakwb eng Ji, Leilei verfasserin aut Investigation of vortex dynamics diagnosis in the stall state of mixed-flow pump with blade gap size effect 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to The Brazilian Society of Mechanical Sciences and Engineering 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Rotating stall always occurs in the mixed-flow pump operating at partial load condition, not merely affecting the unit efficiency, but also generating more serious turbulent flow fields. The tip leakage vortex (TLV), as a classic vortex structure in hydraulic machinery, is deserved to investigate the impact on the energy conversion instability of mixed-flow pumps. In this study, the blade tip size effect has been considered and the stall transition flow fields are investigated in detail based on the vortex dynamics diagnosis (VDD) method. The research results show that the blade tip size plays a pivotal role in the stall range of mixed-flow pump, and display a shrinking tendency with size growth. The negative value of total pressure flow integral (TPFI) Pu comes up with the inlet recirculation vortex and the large-scale stall vortex affected by the stall unsteady flow, which stands at the impeller inlet and outlet. The Pu and stall flow in the guide vane channel are also affected indirectly by the impeller gap size, not just the stall flow in the impeller. Thus, the selection and control of impeller gap size will provide a light perspective for the pump optimization and stall control in the mixed-flow pump. Mixed-flow pump (dpeaa)DE-He213 Vortex dynamics diagnosis (dpeaa)DE-He213 Rotating stall (dpeaa)DE-He213 Tip leakage vortex (dpeaa)DE-He213 Boundary vorticity flux (dpeaa)DE-He213 Li, Yongkang aut Li, Wei (orcid)0000-0003-1130-4336 aut Li, Shuo aut Yang, Yongfei aut Yang, Yang aut Li, Haoming aut Agarwal, Ramesh K. aut Enthalten in Journal of the Brazilian Society of Mechanical Sciences and Engineering Berlin : Springer, 2003 45(2023), 8 vom: 05. Juli (DE-627)387477950 (DE-600)2145288-X 1806-3691 nnns volume:45 year:2023 number:8 day:05 month:07 https://dx.doi.org/10.1007/s40430-023-04268-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 45 2023 8 05 07
allfields_unstemmed	10.1007/s40430-023-04268-w doi (DE-627)SPR052163156 (SPR)s40430-023-04268-w-e DE-627 ger DE-627 rakwb eng Ji, Leilei verfasserin aut Investigation of vortex dynamics diagnosis in the stall state of mixed-flow pump with blade gap size effect 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to The Brazilian Society of Mechanical Sciences and Engineering 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Rotating stall always occurs in the mixed-flow pump operating at partial load condition, not merely affecting the unit efficiency, but also generating more serious turbulent flow fields. The tip leakage vortex (TLV), as a classic vortex structure in hydraulic machinery, is deserved to investigate the impact on the energy conversion instability of mixed-flow pumps. In this study, the blade tip size effect has been considered and the stall transition flow fields are investigated in detail based on the vortex dynamics diagnosis (VDD) method. The research results show that the blade tip size plays a pivotal role in the stall range of mixed-flow pump, and display a shrinking tendency with size growth. The negative value of total pressure flow integral (TPFI) Pu comes up with the inlet recirculation vortex and the large-scale stall vortex affected by the stall unsteady flow, which stands at the impeller inlet and outlet. The Pu and stall flow in the guide vane channel are also affected indirectly by the impeller gap size, not just the stall flow in the impeller. Thus, the selection and control of impeller gap size will provide a light perspective for the pump optimization and stall control in the mixed-flow pump. Mixed-flow pump (dpeaa)DE-He213 Vortex dynamics diagnosis (dpeaa)DE-He213 Rotating stall (dpeaa)DE-He213 Tip leakage vortex (dpeaa)DE-He213 Boundary vorticity flux (dpeaa)DE-He213 Li, Yongkang aut Li, Wei (orcid)0000-0003-1130-4336 aut Li, Shuo aut Yang, Yongfei aut Yang, Yang aut Li, Haoming aut Agarwal, Ramesh K. aut Enthalten in Journal of the Brazilian Society of Mechanical Sciences and Engineering Berlin : Springer, 2003 45(2023), 8 vom: 05. Juli (DE-627)387477950 (DE-600)2145288-X 1806-3691 nnns volume:45 year:2023 number:8 day:05 month:07 https://dx.doi.org/10.1007/s40430-023-04268-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 45 2023 8 05 07
allfieldsGer	10.1007/s40430-023-04268-w doi (DE-627)SPR052163156 (SPR)s40430-023-04268-w-e DE-627 ger DE-627 rakwb eng Ji, Leilei verfasserin aut Investigation of vortex dynamics diagnosis in the stall state of mixed-flow pump with blade gap size effect 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to The Brazilian Society of Mechanical Sciences and Engineering 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Rotating stall always occurs in the mixed-flow pump operating at partial load condition, not merely affecting the unit efficiency, but also generating more serious turbulent flow fields. The tip leakage vortex (TLV), as a classic vortex structure in hydraulic machinery, is deserved to investigate the impact on the energy conversion instability of mixed-flow pumps. In this study, the blade tip size effect has been considered and the stall transition flow fields are investigated in detail based on the vortex dynamics diagnosis (VDD) method. The research results show that the blade tip size plays a pivotal role in the stall range of mixed-flow pump, and display a shrinking tendency with size growth. The negative value of total pressure flow integral (TPFI) Pu comes up with the inlet recirculation vortex and the large-scale stall vortex affected by the stall unsteady flow, which stands at the impeller inlet and outlet. The Pu and stall flow in the guide vane channel are also affected indirectly by the impeller gap size, not just the stall flow in the impeller. Thus, the selection and control of impeller gap size will provide a light perspective for the pump optimization and stall control in the mixed-flow pump. Mixed-flow pump (dpeaa)DE-He213 Vortex dynamics diagnosis (dpeaa)DE-He213 Rotating stall (dpeaa)DE-He213 Tip leakage vortex (dpeaa)DE-He213 Boundary vorticity flux (dpeaa)DE-He213 Li, Yongkang aut Li, Wei (orcid)0000-0003-1130-4336 aut Li, Shuo aut Yang, Yongfei aut Yang, Yang aut Li, Haoming aut Agarwal, Ramesh K. aut Enthalten in Journal of the Brazilian Society of Mechanical Sciences and Engineering Berlin : Springer, 2003 45(2023), 8 vom: 05. Juli (DE-627)387477950 (DE-600)2145288-X 1806-3691 nnns volume:45 year:2023 number:8 day:05 month:07 https://dx.doi.org/10.1007/s40430-023-04268-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 45 2023 8 05 07
allfieldsSound	10.1007/s40430-023-04268-w doi (DE-627)SPR052163156 (SPR)s40430-023-04268-w-e DE-627 ger DE-627 rakwb eng Ji, Leilei verfasserin aut Investigation of vortex dynamics diagnosis in the stall state of mixed-flow pump with blade gap size effect 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to The Brazilian Society of Mechanical Sciences and Engineering 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Rotating stall always occurs in the mixed-flow pump operating at partial load condition, not merely affecting the unit efficiency, but also generating more serious turbulent flow fields. The tip leakage vortex (TLV), as a classic vortex structure in hydraulic machinery, is deserved to investigate the impact on the energy conversion instability of mixed-flow pumps. In this study, the blade tip size effect has been considered and the stall transition flow fields are investigated in detail based on the vortex dynamics diagnosis (VDD) method. The research results show that the blade tip size plays a pivotal role in the stall range of mixed-flow pump, and display a shrinking tendency with size growth. The negative value of total pressure flow integral (TPFI) Pu comes up with the inlet recirculation vortex and the large-scale stall vortex affected by the stall unsteady flow, which stands at the impeller inlet and outlet. The Pu and stall flow in the guide vane channel are also affected indirectly by the impeller gap size, not just the stall flow in the impeller. Thus, the selection and control of impeller gap size will provide a light perspective for the pump optimization and stall control in the mixed-flow pump. Mixed-flow pump (dpeaa)DE-He213 Vortex dynamics diagnosis (dpeaa)DE-He213 Rotating stall (dpeaa)DE-He213 Tip leakage vortex (dpeaa)DE-He213 Boundary vorticity flux (dpeaa)DE-He213 Li, Yongkang aut Li, Wei (orcid)0000-0003-1130-4336 aut Li, Shuo aut Yang, Yongfei aut Yang, Yang aut Li, Haoming aut Agarwal, Ramesh K. aut Enthalten in Journal of the Brazilian Society of Mechanical Sciences and Engineering Berlin : Springer, 2003 45(2023), 8 vom: 05. Juli (DE-627)387477950 (DE-600)2145288-X 1806-3691 nnns volume:45 year:2023 number:8 day:05 month:07 https://dx.doi.org/10.1007/s40430-023-04268-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 45 2023 8 05 07
language	English
source	Enthalten in Journal of the Brazilian Society of Mechanical Sciences and Engineering 45(2023), 8 vom: 05. Juli volume:45 year:2023 number:8 day:05 month:07
sourceStr	Enthalten in Journal of the Brazilian Society of Mechanical Sciences and Engineering 45(2023), 8 vom: 05. Juli volume:45 year:2023 number:8 day:05 month:07
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Mixed-flow pump Vortex dynamics diagnosis Rotating stall Tip leakage vortex Boundary vorticity flux
isfreeaccess_bool	false
container_title	Journal of the Brazilian Society of Mechanical Sciences and Engineering
authorswithroles_txt_mv	Ji, Leilei @@aut@@ Li, Yongkang @@aut@@ Li, Wei @@aut@@ Li, Shuo @@aut@@ Yang, Yongfei @@aut@@ Yang, Yang @@aut@@ Li, Haoming @@aut@@ Agarwal, Ramesh K. @@aut@@
publishDateDaySort_date	2023-07-05T00:00:00Z
hierarchy_top_id	387477950
id	SPR052163156
language_de	englisch
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author	Ji, Leilei
spellingShingle	Ji, Leilei misc Mixed-flow pump misc Vortex dynamics diagnosis misc Rotating stall misc Tip leakage vortex misc Boundary vorticity flux Investigation of vortex dynamics diagnosis in the stall state of mixed-flow pump with blade gap size effect
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topic_title	Investigation of vortex dynamics diagnosis in the stall state of mixed-flow pump with blade gap size effect Mixed-flow pump (dpeaa)DE-He213 Vortex dynamics diagnosis (dpeaa)DE-He213 Rotating stall (dpeaa)DE-He213 Tip leakage vortex (dpeaa)DE-He213 Boundary vorticity flux (dpeaa)DE-He213
topic	misc Mixed-flow pump misc Vortex dynamics diagnosis misc Rotating stall misc Tip leakage vortex misc Boundary vorticity flux
topic_unstemmed	misc Mixed-flow pump misc Vortex dynamics diagnosis misc Rotating stall misc Tip leakage vortex misc Boundary vorticity flux
topic_browse	misc Mixed-flow pump misc Vortex dynamics diagnosis misc Rotating stall misc Tip leakage vortex misc Boundary vorticity flux
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title	Investigation of vortex dynamics diagnosis in the stall state of mixed-flow pump with blade gap size effect
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title_full	Investigation of vortex dynamics diagnosis in the stall state of mixed-flow pump with blade gap size effect
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author_browse	Ji, Leilei Li, Yongkang Li, Wei Li, Shuo Yang, Yongfei Yang, Yang Li, Haoming Agarwal, Ramesh K.
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title_sort	investigation of vortex dynamics diagnosis in the stall state of mixed-flow pump with blade gap size effect
title_auth	Investigation of vortex dynamics diagnosis in the stall state of mixed-flow pump with blade gap size effect
abstract	Abstract Rotating stall always occurs in the mixed-flow pump operating at partial load condition, not merely affecting the unit efficiency, but also generating more serious turbulent flow fields. The tip leakage vortex (TLV), as a classic vortex structure in hydraulic machinery, is deserved to investigate the impact on the energy conversion instability of mixed-flow pumps. In this study, the blade tip size effect has been considered and the stall transition flow fields are investigated in detail based on the vortex dynamics diagnosis (VDD) method. The research results show that the blade tip size plays a pivotal role in the stall range of mixed-flow pump, and display a shrinking tendency with size growth. The negative value of total pressure flow integral (TPFI) Pu comes up with the inlet recirculation vortex and the large-scale stall vortex affected by the stall unsteady flow, which stands at the impeller inlet and outlet. The Pu and stall flow in the guide vane channel are also affected indirectly by the impeller gap size, not just the stall flow in the impeller. Thus, the selection and control of impeller gap size will provide a light perspective for the pump optimization and stall control in the mixed-flow pump. © The Author(s), under exclusive licence to The Brazilian Society of Mechanical Sciences and Engineering 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
abstractGer	Abstract Rotating stall always occurs in the mixed-flow pump operating at partial load condition, not merely affecting the unit efficiency, but also generating more serious turbulent flow fields. The tip leakage vortex (TLV), as a classic vortex structure in hydraulic machinery, is deserved to investigate the impact on the energy conversion instability of mixed-flow pumps. In this study, the blade tip size effect has been considered and the stall transition flow fields are investigated in detail based on the vortex dynamics diagnosis (VDD) method. The research results show that the blade tip size plays a pivotal role in the stall range of mixed-flow pump, and display a shrinking tendency with size growth. The negative value of total pressure flow integral (TPFI) Pu comes up with the inlet recirculation vortex and the large-scale stall vortex affected by the stall unsteady flow, which stands at the impeller inlet and outlet. The Pu and stall flow in the guide vane channel are also affected indirectly by the impeller gap size, not just the stall flow in the impeller. Thus, the selection and control of impeller gap size will provide a light perspective for the pump optimization and stall control in the mixed-flow pump. © The Author(s), under exclusive licence to The Brazilian Society of Mechanical Sciences and Engineering 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
abstract_unstemmed	Abstract Rotating stall always occurs in the mixed-flow pump operating at partial load condition, not merely affecting the unit efficiency, but also generating more serious turbulent flow fields. The tip leakage vortex (TLV), as a classic vortex structure in hydraulic machinery, is deserved to investigate the impact on the energy conversion instability of mixed-flow pumps. In this study, the blade tip size effect has been considered and the stall transition flow fields are investigated in detail based on the vortex dynamics diagnosis (VDD) method. The research results show that the blade tip size plays a pivotal role in the stall range of mixed-flow pump, and display a shrinking tendency with size growth. The negative value of total pressure flow integral (TPFI) Pu comes up with the inlet recirculation vortex and the large-scale stall vortex affected by the stall unsteady flow, which stands at the impeller inlet and outlet. The Pu and stall flow in the guide vane channel are also affected indirectly by the impeller gap size, not just the stall flow in the impeller. Thus, the selection and control of impeller gap size will provide a light perspective for the pump optimization and stall control in the mixed-flow pump. © The Author(s), under exclusive licence to The Brazilian Society of Mechanical Sciences and Engineering 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
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title_short	Investigation of vortex dynamics diagnosis in the stall state of mixed-flow pump with blade gap size effect
url	https://dx.doi.org/10.1007/s40430-023-04268-w
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author2	Li, Yongkang Li, Wei Li, Shuo Yang, Yongfei Yang, Yang Li, Haoming Agarwal, Ramesh K.
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fullrecord_marcxml	<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">SPR052163156</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230810101332.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">230706s2023 xx \|\|\|\|\|o 00\| \|\|eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s40430-023-04268-w</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR052163156</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)s40430-023-04268-w-e</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Ji, Leilei</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Investigation of vortex dynamics diagnosis in the stall state of mixed-flow pump with blade gap size effect</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2023</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© The Author(s), under exclusive licence to The Brazilian Society of Mechanical Sciences and Engineering 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract Rotating stall always occurs in the mixed-flow pump operating at partial load condition, not merely affecting the unit efficiency, but also generating more serious turbulent flow fields. The tip leakage vortex (TLV), as a classic vortex structure in hydraulic machinery, is deserved to investigate the impact on the energy conversion instability of mixed-flow pumps. In this study, the blade tip size effect has been considered and the stall transition flow fields are investigated in detail based on the vortex dynamics diagnosis (VDD) method. The research results show that the blade tip size plays a pivotal role in the stall range of mixed-flow pump, and display a shrinking tendency with size growth. The negative value of total pressure flow integral (TPFI) Pu comes up with the inlet recirculation vortex and the large-scale stall vortex affected by the stall unsteady flow, which stands at the impeller inlet and outlet. The Pu and stall flow in the guide vane channel are also affected indirectly by the impeller gap size, not just the stall flow in the impeller. 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Investigation of vortex dynamics diagnosis in the stall state of mixed-flow pump with blade gap size effect

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