Study on the wearing law of the runner and guide vanes for a Francis turbine
The steady Solid-Liquid two-phase flow of a Francis turbine was simulated under various work conditions with the Computational Fluid Dynamics (CFD) technology and the Euler-Lagrangian method (ELM). The wear of the turbine was also predicted using the Finnie Wear Prediction Model with the wearing law...
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| Veröffentlicht in: | IOP conference series. Earth and environmental science 2012-11, Vol.15 (4), p.42010 |
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| creator | Peng, G J Luo, Y Y Fang, H W Zhai, L M Wang, Z W |
| description | The steady Solid-Liquid two-phase flow of a Francis turbine was simulated under various work conditions with the Computational Fluid Dynamics (CFD) technology and the Euler-Lagrangian method (ELM). The wear of the turbine was also predicted using the Finnie Wear Prediction Model with the wearing law of the runner and guide vanes analyzed. The following conclusions can be drawn from the simulation results. The relative wear rates on the surfaces of runner and guide vanes increase as the sediment concentration increases. However, the relative wear rate on the runner blades firstly decreases then increases with the increase of flow rate, and the relative wear rate on the guide vanes is proportional with the cube of flow rate. By contrast, the relative wear rate of runner blades is obviously higher than that of the guide vanes. The Solid-liquid two-phase numerical method offers some reference value for the study on the wearing law of hydro turbine flow-parts in the heavy sediment-carrying rivers. |
| doi_str_mv | 10.1088/1755-1315/15/4/042010 |
| format | Article |
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The wear of the turbine was also predicted using the Finnie Wear Prediction Model with the wearing law of the runner and guide vanes analyzed. The following conclusions can be drawn from the simulation results. The relative wear rates on the surfaces of runner and guide vanes increase as the sediment concentration increases. However, the relative wear rate on the runner blades firstly decreases then increases with the increase of flow rate, and the relative wear rate on the guide vanes is proportional with the cube of flow rate. By contrast, the relative wear rate of runner blades is obviously higher than that of the guide vanes. The Solid-liquid two-phase numerical method offers some reference value for the study on the wearing law of hydro turbine flow-parts in the heavy sediment-carrying rivers.</description><identifier>ISSN: 1755-1307</identifier><identifier>EISSN: 1755-1315</identifier><identifier>DOI: 10.1088/1755-1315/15/4/042010</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Blades ; Computational fluid dynamics ; Computer applications ; Flow rates ; Flow velocity ; Fluid dynamics ; Guide vanes ; Hydraulic turbines ; Hydrodynamics ; Mathematical models ; Multiphase flow ; Numerical methods ; Prediction models ; Predictions ; Sediment concentration ; Turbines ; Two phase flow ; Wear rate ; Working conditions</subject><ispartof>IOP conference series. Earth and environmental science, 2012-11, Vol.15 (4), p.42010</ispartof><rights>Copyright IOP Publishing Nov 2012</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-ccb5fc9ea9cb51a660cd7b5fa6d3f63e67371fa38540be6b1676c72ded09d2c73</citedby><cites>FETCH-LOGICAL-c328t-ccb5fc9ea9cb51a660cd7b5fa6d3f63e67371fa38540be6b1676c72ded09d2c73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Peng, G J</creatorcontrib><creatorcontrib>Luo, Y Y</creatorcontrib><creatorcontrib>Fang, H W</creatorcontrib><creatorcontrib>Zhai, L M</creatorcontrib><creatorcontrib>Wang, Z W</creatorcontrib><title>Study on the wearing law of the runner and guide vanes for a Francis turbine</title><title>IOP conference series. Earth and environmental science</title><description>The steady Solid-Liquid two-phase flow of a Francis turbine was simulated under various work conditions with the Computational Fluid Dynamics (CFD) technology and the Euler-Lagrangian method (ELM). The wear of the turbine was also predicted using the Finnie Wear Prediction Model with the wearing law of the runner and guide vanes analyzed. The following conclusions can be drawn from the simulation results. The relative wear rates on the surfaces of runner and guide vanes increase as the sediment concentration increases. However, the relative wear rate on the runner blades firstly decreases then increases with the increase of flow rate, and the relative wear rate on the guide vanes is proportional with the cube of flow rate. By contrast, the relative wear rate of runner blades is obviously higher than that of the guide vanes. The Solid-liquid two-phase numerical method offers some reference value for the study on the wearing law of hydro turbine flow-parts in the heavy sediment-carrying rivers.</description><subject>Blades</subject><subject>Computational fluid dynamics</subject><subject>Computer applications</subject><subject>Flow rates</subject><subject>Flow velocity</subject><subject>Fluid dynamics</subject><subject>Guide vanes</subject><subject>Hydraulic turbines</subject><subject>Hydrodynamics</subject><subject>Mathematical models</subject><subject>Multiphase flow</subject><subject>Numerical methods</subject><subject>Prediction models</subject><subject>Predictions</subject><subject>Sediment concentration</subject><subject>Turbines</subject><subject>Two phase flow</subject><subject>Wear rate</subject><subject>Working conditions</subject><issn>1755-1307</issn><issn>1755-1315</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNo9kF1LwzAUhoMoOKc_QQh4XZc0X-2lDKfCwAv1OqTJyeyY6Uxax_69qZXBC-fw8HIOPAjdUnJPSVUtqBKioIyKRQ5fEF4SSs7Q7MTPTztRl-gqpS0hUnFWz9D6rR_cEXcB95-AD2BiGzZ4Zw64838oDiFAxCY4vBlaB_jHBEjYd5nhVTTBtgn3Q2zaANfowptdgpv_OUcfq8f35XOxfn16WT6sC8vKqi-sbYS3NZg6L9RISaxTGRnpmJcMpGKKesMqwUkDsqFSSatKB47UrrSKzdHddHcfu-8BUq-33RBDfqlLwXhZ8Zqz3BJTy8YupQhe72P7ZeJRU6JHcXqUokdBOofrSRz7BVrLYIY</recordid><startdate>20121126</startdate><enddate>20121126</enddate><creator>Peng, G J</creator><creator>Luo, Y Y</creator><creator>Fang, H W</creator><creator>Zhai, L M</creator><creator>Wang, Z W</creator><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>PATMY</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope></search><sort><creationdate>20121126</creationdate><title>Study on the wearing law of the runner and guide vanes for a Francis turbine</title><author>Peng, G J ; Luo, Y Y ; Fang, H W ; Zhai, L M ; Wang, Z W</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-ccb5fc9ea9cb51a660cd7b5fa6d3f63e67371fa38540be6b1676c72ded09d2c73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Blades</topic><topic>Computational fluid dynamics</topic><topic>Computer applications</topic><topic>Flow rates</topic><topic>Flow velocity</topic><topic>Fluid dynamics</topic><topic>Guide vanes</topic><topic>Hydraulic turbines</topic><topic>Hydrodynamics</topic><topic>Mathematical models</topic><topic>Multiphase flow</topic><topic>Numerical methods</topic><topic>Prediction models</topic><topic>Predictions</topic><topic>Sediment concentration</topic><topic>Turbines</topic><topic>Two phase flow</topic><topic>Wear rate</topic><topic>Working conditions</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Peng, G J</creatorcontrib><creatorcontrib>Luo, Y Y</creatorcontrib><creatorcontrib>Fang, H W</creatorcontrib><creatorcontrib>Zhai, L M</creatorcontrib><creatorcontrib>Wang, Z W</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>Environmental Science Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Environmental Science Collection</collection><jtitle>IOP conference series. 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The following conclusions can be drawn from the simulation results. The relative wear rates on the surfaces of runner and guide vanes increase as the sediment concentration increases. However, the relative wear rate on the runner blades firstly decreases then increases with the increase of flow rate, and the relative wear rate on the guide vanes is proportional with the cube of flow rate. By contrast, the relative wear rate of runner blades is obviously higher than that of the guide vanes. The Solid-liquid two-phase numerical method offers some reference value for the study on the wearing law of hydro turbine flow-parts in the heavy sediment-carrying rivers.</abstract><cop>Bristol</cop><pub>IOP Publishing</pub><doi>10.1088/1755-1315/15/4/042010</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Blades Computational fluid dynamics Computer applications Flow rates Flow velocity Fluid dynamics Guide vanes Hydraulic turbines Hydrodynamics Mathematical models Multiphase flow Numerical methods Prediction models Predictions Sediment concentration Turbines Two phase flow Wear rate Working conditions |
| title | Study on the wearing law of the runner and guide vanes for a Francis turbine |
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