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Statements

Subject Item
dbr:Tidal_stream_generator
dbo:wikiPageWikiLink
dbr:Shrouded_tidal_turbine
Subject Item
dbr:Shrouded_tidal_turbine
rdf:type
yago:Turbine104498523 yago:WikicatWaterTurbines dbo:Company yago:Object100002684 yago:Artifact100021939 yago:Machine103699975 yago:Motor103789946 yago:Internal-combustionEngine103579982 yago:RotaryEngine104110654 yago:Whole100003553 yago:HeatEngine103507963 yago:Engine103287733 yago:Device103183080 yago:PhysicalEntity100001930 yago:Instrumentality103575240
rdfs:label
Shrouded tidal turbine Закрытая приливная турбина
rdfs:comment
The shrouded tidal turbine is an emerging tidal stream technology that has a turbine enclosed in a venturi shaped shroud or duct (ventuduct), producing a sub atmosphere of low pressure behind the turbine. The venturi shrouded turbine is not subject to the Betz limit and allows the turbine to operate at higher efficiencies than the turbine alone by increasing the volume of the flow over the turbine. Claimed improvements vary, from 1.15 to 4 times higher power output than the same turbine minus the shroud. The Betz limit of 59.3% conversion efficiency for a turbine in an open flow still applies, but is applied to the much larger shroud cross-section rather than the small turbine cross-section. Закрытая приливная турбина — один из основных типов турбин (наряду с открытыми), используемых в приливной энергетике.
foaf:depiction
n10:Tidalenergyturbine.jpg
dcterms:subject
dbc:Tidal_stream_generators
dbo:wikiPageID
19621061
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1025432092
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dbr:Betz_limit n11:Tidalenergyturbine.jpg dbr:Venturi_effect dbr:Tidal_stream_generator dbc:Tidal_stream_generators dbr:Shroud
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wikidata:Q4185038 yago-res:Shrouded_tidal_turbine dbpedia-ru:Закрытая_приливная_турбина freebase:m.04myh8g n21:3sePw
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dbo:thumbnail
n10:Tidalenergyturbine.jpg?width=300
dbo:abstract
The shrouded tidal turbine is an emerging tidal stream technology that has a turbine enclosed in a venturi shaped shroud or duct (ventuduct), producing a sub atmosphere of low pressure behind the turbine. The venturi shrouded turbine is not subject to the Betz limit and allows the turbine to operate at higher efficiencies than the turbine alone by increasing the volume of the flow over the turbine. Claimed improvements vary, from 1.15 to 4 times higher power output than the same turbine minus the shroud. The Betz limit of 59.3% conversion efficiency for a turbine in an open flow still applies, but is applied to the much larger shroud cross-section rather than the small turbine cross-section. Закрытая приливная турбина — один из основных типов турбин (наряду с открытыми), используемых в приливной энергетике.
gold:hypernym
dbr:Technology
prov:wasDerivedFrom
wikipedia-en:Shrouded_tidal_turbine?oldid=1025432092&ns=0
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9071
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wikipedia-en:Shrouded_tidal_turbine
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dbr:Shrouded_tidal_turbine