Shodhganga : a reservoir of Indian theses @ INFLIBNET
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Please use this identifier to cite or link to this item:
http://hdl.handle.net/10603/72575
Full metadata record
| DC Field | Value | Language |
|---|---|---|
| dc.date.accessioned | 2016-02-09T05:43:07Z | - |
| dc.date.available | 2016-02-09T05:43:07Z | - |
| dc.identifier.uri | http://hdl.handle.net/10603/72575 | - |
| dc.description.abstract | Weirsareacommonandusefulhydraulicstructureforawiderangeofapplications(egcanalspondsriversreservoirsandothers)TheyhavebeenwidelyusedforthepurposeofflowmeasurementGenerallytheyareusedasnormalweirswhichcausewatertopoolbehindthemwhileallowingwatertoflowsteadilyovertheirtopsposeproblemsofsubmergenceupstreamoftheweirduetolargeaffluxrequiredtopassthedischargedownstreamForpassingmoredischargewithlowheadtheweirsofvariousmodifiedplanformhavebeensuggestedinthepasttoenhancetheirdischargingcapacitywithminimumheadovertheweirsandtorestricttheaffluxAninnovativeandeffectivewayofincreasingthespillwaycapacityistousealabyrinthweirTheconceptofthelabyrinthweiristovarytheplanshapeofthecresttoincreasetheeffectivecrestlengthItisparticularlysuitedforusewherethespillwaywidthisrestrictedorwherethefloodsurchargespaceislimitedThelabyrinthisrelativelylowcostwhencomparedwithgatedspillwaysandthishasledtoitsuseinconjunctionwiththeraisingofdamsforincreasedstoragespaceAlabyrinthweirhasadvantagescomparedtothestraightoverflowweirandthestandardogeecrestLabyrinthweirscanbeusedtoincreaseoutletcapacityforagivenspillwaycrestelevationandlengthortoincreasestoragebyraisingthecrestwhilemaintainingspillwaycapacityThesestructuresofferseveraladvantageswhencomparedtolinearweirstructuresLabyrinthweirsprovideanincreaseincrestlengthforagivenchannelwidththerebyincreasingflowcapacityforagivenupstreamhead.Asaresultoftheincreasedflowcapacitytheseweirsrequirelessfreeboardintheupstreamreservoirthanlinearweirswhichfacilitatesfloodroutingandincreasesreservoirstoragecapacityunderbaseflowconditions(weirheightmaybeincreased)LabyrinthweirscanthereforebeusedtoaparticularadvantagewherethewidthofachannelisrestrictedandaweirisrequiredtopassarangeofdischargeswithalimitedvariationinupstreamwaterlevelButacollectivecomparativeanalysisofdifferentplanformlabyrinthweirsisscarceFurtheravailableinformationoneffectofvariousparametersonthedischargingcapacityoflabyrinthweirisalsoverylittle.Informationrelatedtotheequationanddesignchartisavailableonlyforaparticularplanformweirinvestigatedbyvario | - |
| dc.language | English | - |
| dc.rights | university | - |
| dc.title | Experimental investigation of flow characteristics of various planform labyrinth weirs | - |
| dc.creator.researcher | Gupta, Keerat Kumar | - |
| dc.contributor.guide | Sanjeev Kumar | - |
| dc.publisher.place | Dehradun | - |
| dc.publisher.university | Graphic Era University | - |
| dc.publisher.institution | Department of Civil Engineering | - |
| dc.date.registered | 28-9-2011 | - |
| dc.date.completed | 26-10-2015 | - |
| dc.date.awarded | 16-11-2015 | - |
| dc.format.accompanyingmaterial | None | - |
| dc.source.university | University | - |
| dc.type.degree | Ph.D. | - |
| Appears in Departments: | Department of Civil Engineering | |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 01_title.pdf | 19.92 kB | Adobe PDF | View/Open | |
| 02_certificate.pdf | 21.41 kB | Adobe PDF | View/Open | |
| 03_acknowledgements.pdf | 19.6 kB | Adobe PDF | View/Open | |
| 04_abstract.pdf | 28.32 kB | Adobe PDF | View/Open | |
| 05_contents.pdf | 27.52 kB | Adobe PDF | View/Open | |
| 06_list of figures.pdf | 54.87 kB | Adobe PDF | View/Open | |
| 07_list of tables.pdf | 17.31 kB | Adobe PDF | View/Open | |
| 08_notations.pdf | 20.79 kB | Adobe PDF | View/Open | |
| 09_chapter 1.pdf | 87.5 kB | Adobe PDF | View/Open | |
| 10_chapter 2.pdf | Attached File | 616.73 kB | Adobe PDF | View/Open |
| 11_chapter 3.pdf | 1.34 MB | Adobe PDF | View/Open | |
| 12_chapter 4.pdf | 5.04 MB | Adobe PDF | View/Open | |
| 13_chapter 5.pdf | 1.52 MB | Adobe PDF | View/Open | |
| 14_chapter 6.pdf | 1.55 MB | Adobe PDF | View/Open | |
| 15_chapter 7.pdf | 28.74 kB | Adobe PDF | View/Open | |
| 16_annexture 1.pdf | 202.9 kB | Adobe PDF | View/Open | |
| 17_annexure ii.pdf | 209.8 kB | Adobe PDF | View/Open | |
| 18_annexure iii.pdf | 196.41 kB | Adobe PDF | View/Open | |
| 19 _annexure iv.pdf | 160.36 kB | Adobe PDF | View/Open | |
| 20_annexure v.pdf | 209.86 kB | Adobe PDF | View/Open | |
| 21_references.pdf | 48.02 kB | Adobe PDF | View/Open | |
| 22_publications.pdf | 34.47 kB | Adobe PDF | View/Open |
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