About: Development of high specific speed Francis turbine for low head HPP

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Nowadays we can commonly encounter with revitalizations of an original HPPs which were earlier fitted with Francis turbines. They were often placed to the locations with low head and higher discharge which means high specific speed (ns > 400). Generally it is quite complex to design Francis turbines for such high specific speed. These very old turbines usually have lower efficiency due to the earlier limited possibilities of hydraulic design. An exchange of a water turbine with another type can be quite expensive and therefore it can be more suitable to change only an old runner for a new one. In this article the design process of high specific speed turbine ns = 430 is described. Optimization was done as the full-automatic cycle and was based on a simplex optimization method as well as on a genetic algorithm. For the parameterization of the runner blade, the BladeGen software was used and CFD (Computational Fluid Dynamics) analysis was run in Ansys CFX v.14 software. The final shape of the runner bla Nowadays we can commonly encounter with revitalizations of an original HPPs which were earlier fitted with Francis turbines. They were often placed to the locations with low head and higher discharge which means high specific speed (ns > 400). Generally it is quite complex to design Francis turbines for such high specific speed. These very old turbines usually have lower efficiency due to the earlier limited possibilities of hydraulic design. An exchange of a water turbine with another type can be quite expensive and therefore it can be more suitable to change only an old runner for a new one. In this article the design process of high specific speed turbine ns = 430 is described. Optimization was done as the full-automatic cycle and was based on a simplex optimization method as well as on a genetic algorithm. For the parameterization of the runner blade, the BladeGen software was used and CFD (Computational Fluid Dynamics) analysis was run in Ansys CFX v.14 software. The final shape of the runner bla (en)
Title	Development of high specific speed Francis turbine for low head HPP Development of high specific speed Francis turbine for low head HPP (en)
skos:prefLabel	Development of high specific speed Francis turbine for low head HPP Development of high specific speed Francis turbine for low head HPP (en)
skos:notation	RIV/00216305:26210/13:PU104360!RIV15-MSM-26210___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED0002/01/01)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Krausová, Hana
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	69133
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/13:PU104360
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Francis turbine, high specific speed, CFD, optimization method, objective function (en)
http://linked.open.../riv/klicoveSlovo	high specific speed optimization method objective function CFD Francis turbine
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[F8E958A7E46A]
http://linked.open...i/riv/nazevZdroje	Engineering Mechanics
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	NETME Centre (New Technologies for Mechanical Engineering)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	20
http://linked.open...iv/tvurceVysledku	Zouhar, Josef Krausová, Hana Obrovský, Jiří Špidla, Jiří
issn	1802-1484
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	26210

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