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dc.contributor.author
Gisonni, Corrado
dc.contributor.author
Hager, Willi H.
dc.date.accessioned
2021-05-03T12:17:16Z
dc.date.available
2021-05-03T11:51:30Z
dc.date.available
2021-05-03T12:17:16Z
dc.date.issued
2002-03
dc.identifier.issn
0723-4864
dc.identifier.issn
1432-1114
dc.identifier.other
10.1007/s003480100364
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/482166
dc.description.abstract
Bend manholes of sewers with 45° deflection angles are considered. Previous results are reconsidered by introducing the so-called bend extension. It is demonstrated that the discharge capacity of the 45°- and the 90°-bend manholes is identical if the bend extension, a U-shaped straight downstream portion, is added to the 45° manhole. In addition, the effect of the bend cover is analyzed as a general means to suppress shock waves. Both bend extensions and bend covers may be added to existing structures that convey discharge close to or over the design discharge. The hydraulics of bend manholes are analyzed in detail, including the wave profiles along the inner and the outer bend walls, the complete free surface, the recirculation zone, the pressure distributions on the walls and flow in the downstream sewer.
en_US
dc.language.iso
en
en_US
dc.publisher
Springer
en_US
dc.subject
Hydraulics
en_US
dc.subject
Bend
en_US
dc.subject
Manhole
en_US
dc.subject
Sewer
en_US
dc.subject
Shock waves
en_US
dc.subject
Choking
en_US
dc.title
Supercritical flow in manholes with a bend extension
en_US
dc.type
Journal Article
ethz.journal.title
Experiments in Fluids
ethz.journal.volume
32
en_US
ethz.journal.issue
3
en_US
ethz.journal.abbreviated
Exp Fluids
ethz.pages.start
357
en_US
ethz.pages.end
365
en_US
ethz.publication.place
Berlin; Heidelberg
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02115 - Dep. Bau, Umwelt und Geomatik / Dep. of Civil, Env. and Geomatic Eng.::02611 - V. Wasserbau, Hydrologie u. Glaziologie / Lab. Hydraulics,Hydrology,Glaciology::03820 - Boes, Robert / Boes, Robert
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02115 - Dep. Bau, Umwelt und Geomatik / Dep. of Civil, Env. and Geomatic Eng.::02611 - V. Wasserbau, Hydrologie u. Glaziologie / Lab. Hydraulics,Hydrology,Glaciology::03820 - Boes, Robert / Boes, Robert
en_US
ethz.date.deposited
2021-05-03T11:51:38Z
ethz.source
FORM
ethz.eth
yes
en_US
ethz.availability
Metadata only
en_US
ethz.rosetta.installDate
2021-05-03T12:17:27Z
ethz.rosetta.lastUpdated
2022-03-29T07:00:57Z
ethz.rosetta.versionExported
true
ethz.COinS
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