Improved Estimates of Kinematic Wave Parameters for Circular Channels
The momentum equation in the kinematic wave model is a power-law equation with two parameters. These parameters, which relate the discharge to the flow area, are commonly derived using Manning’s equation. In general, the values of these parameters depend on the flow depth except for some special cro...
Saved in:
Published in | Civil engineering infrastructures journal Vol. 46; no. 1; pp. 95 - 104 |
---|---|
Main Authors | , |
Format | Journal Article |
Language | English |
Published |
University of Tehran Press
01.06.2013
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Abstract | The momentum equation in the kinematic wave model is a power-law equation with two parameters. These parameters, which relate the discharge to the flow area, are commonly derived using Manning’s equation. In general, the values of these parameters depend on the flow depth except for some special cross sections. In this paper, improved estimates of the kinematic wave parameters for circular channels were developed using the kinematic sensitivity indicator. Using this indicator, the parameters were mathematically derived nearly independent of the flow depth for two cases: constant and variable Manning’s roughness coefficients. The proposed parameters were estimated for a practical range of water depth levels and were verified using an approximate method. The results showed that the proposed parameters are more accurate than existing parameters in estimating the discharge for circular channels. The proposed parameters also improved the estimate of travel time in circular channels, which is of significant importance in drainage design. |
---|---|
AbstractList | The momentum equation in the kinematic wave model is a power-law equation with two parameters. These parameters, which relate the discharge to the flow area, are commonly derived using Manning’s equation. In general, the values of these parameters depend on the flow depth except for some special cross sections. In this paper, improved estimates of the kinematic wave parameters for circular channels were developed using the kinematic sensitivity indicator. Using this indicator, the parameters were mathematically derived nearly independent of the flow depth for two cases: constant and variable Manning’s roughness coefficients. The proposed parameters were estimated for a practical range of water depth levels and were verified using an approximate method. The results showed that the proposed parameters are more accurate than existing parameters in estimating the discharge for circular channels. The proposed parameters also improved the estimate of travel time in circular channels, which is of significant importance in drainage design. |
Author | Alireza Vatankhah Said M Easa |
Author_xml | – sequence: 1 fullname: Alireza Vatankhah organization: Department of Irrigation and Reclamation Engineering, University College of Agriculture and Natural Resources, University of Tehran – sequence: 2 fullname: Said M Easa organization: Department of Civil Engineering, Ryerson University, Toronto, ON, Canada M5B 2K3 |
BookMark | eNotjk1Lw0AURQdRsNbuXeYPJL6ZNx_JUkrVYkEXisvwMvNGU9KkTGLBf29QV_fcu7icK3HeDz0LcSOhcAbKW8_tvlAgsQBZALgzsVBaYW5tJc9nRqVyBRVeitU4tg1o7RDnvhCb7eGYhhOHbDNO7YEmHrMhZk9tz3NpffZOJ85eKNGBJ05jFoeUrdvkvzqa4ZP6nrvxWlxE6kZe_edSvN1vXteP-e75Ybu-2-VBGjnljpvSADrvApYxlqrBKprQRIiVDmyNtmisjY2UUgNaD9IysVTGSxNKxKXY_v2Ggfb1Mc3C6bseqK1_hyF91JRm645rJwkcel82ELSJTE0JSEFq64lJI_4A5-FdEg |
ContentType | Journal Article |
DBID | DOA |
DOI | 10.7508/ceij.2013.01.007 |
DatabaseName | DOAJ Directory of Open Access Journals |
DatabaseTitleList | |
Database_xml | – sequence: 1 dbid: DOA name: Directory of Open Access Journals url: https://www.doaj.org/ sourceTypes: Open Website |
DeliveryMethod | fulltext_linktorsrc |
Discipline | Engineering |
EISSN | 2423-6691 |
EndPage | 104 |
ExternalDocumentID | oai_doaj_org_article_71a073cc8b0d45feab803ad146caea43 |
GroupedDBID | 5VS ADBBV ALMA_UNASSIGNED_HOLDINGS BCNDV GROUPED_DOAJ IPNFZ OK1 RIG |
ID | FETCH-LOGICAL-d151t-7eb85037c7d38ff82b39f5dbf0f94de65463566fb1114036c016eae125c15d833 |
IEDL.DBID | DOA |
ISSN | 2322-2093 |
IngestDate | Tue Oct 22 14:56:13 EDT 2024 |
IsDoiOpenAccess | true |
IsOpenAccess | true |
IsPeerReviewed | true |
IsScholarly | true |
Issue | 1 |
Language | English |
LinkModel | DirectLink |
MergedId | FETCHMERGED-LOGICAL-d151t-7eb85037c7d38ff82b39f5dbf0f94de65463566fb1114036c016eae125c15d833 |
OpenAccessLink | https://doaj.org/article/71a073cc8b0d45feab803ad146caea43 |
PageCount | 10 |
ParticipantIDs | doaj_primary_oai_doaj_org_article_71a073cc8b0d45feab803ad146caea43 |
PublicationCentury | 2000 |
PublicationDate | 2013-06-01 |
PublicationDateYYYYMMDD | 2013-06-01 |
PublicationDate_xml | – month: 06 year: 2013 text: 2013-06-01 day: 01 |
PublicationDecade | 2010 |
PublicationTitle | Civil engineering infrastructures journal |
PublicationYear | 2013 |
Publisher | University of Tehran Press |
Publisher_xml | – name: University of Tehran Press |
SSID | ssib044733093 ssj0001920155 |
Score | 1.8973659 |
Snippet | The momentum equation in the kinematic wave model is a power-law equation with two parameters. These parameters, which relate the discharge to the flow area,... |
SourceID | doaj |
SourceType | Open Website |
StartPage | 95 |
SubjectTerms | circular channels drainage design flow depth-independent parameters kinematic wave modeling power law equation travel time |
Title | Improved Estimates of Kinematic Wave Parameters for Circular Channels |
URI | https://doaj.org/article/71a073cc8b0d45feab803ad146caea43 |
Volume | 46 |
hasFullText | 1 |
inHoldings | 1 |
isFullTextHit | |
isPrint | |
link | http://utb.summon.serialssolutions.com/2.0.0/link/0/eLvHCXMwrV09T8MwELVQJxgQn-JbHlij2rFdOyNUrSoQiIGKbtE5PktFIkVV4fdzjiuRjYU1iaLozpd7Z9-9x9gtjgRIcLKwDmOho4cCwFDgKTUifJCaKtNw8tPzaDbXDwuz6El9pZ6wTA-cDTe0EmgVNo3zImgTEbwTCgIFeAMIOvN8StMrpmglaW1VOuL73W2pygQOOqU5qr5KupfPLClhumGDy_fU5aU6Bs-kLNvj7-8SzfSA7W8RIr_LX3bIdrA9Yns93sBjNslbARj4hCL0I8FFvor8kZ7oGFj5G3wjf4HUeJXYMzkhUz5errueU54GClpKiSdsPp28jmfFVg-hCJSXN4VF74xQtrFBuRhd6VUVTfBRxEoHTGNJitBZ9PT_0pSZGoJzCEgQppEmkPVP2aBdtXjGuEWqDJUBKRXZMMoqQCUQCW_pGFQlztl9skD9mSkv6kRC3V0g19Rb19R_uebiP15yyXbLrEBRCHnFBpv1F14TDtj4m87lPwbarW8 |
link.rule.ids | 315,786,790,870,2115,27955,27956 |
linkProvider | Directory of Open Access Journals |
openUrl | ctx_ver=Z39.88-2004&ctx_enc=info%3Aofi%2Fenc%3AUTF-8&rfr_id=info%3Asid%2Fsummon.serialssolutions.com&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Improved+Estimates+of+Kinematic+Wave+Parameters+for+Circular+Channels&rft.jtitle=Civil+engineering+infrastructures+journal&rft.au=Alireza+Vatankhah&rft.au=Said+M+Easa&rft.date=2013-06-01&rft.pub=University+of+Tehran+Press&rft.issn=2322-2093&rft.eissn=2423-6691&rft.volume=46&rft.issue=1&rft.spage=95&rft.epage=104&rft_id=info:doi/10.7508%2Fceij.2013.01.007&rft.externalDBID=DOA&rft.externalDocID=oai_doaj_org_article_71a073cc8b0d45feab803ad146caea43 |
thumbnail_l | http://covers-cdn.summon.serialssolutions.com/index.aspx?isbn=/lc.gif&issn=2322-2093&client=summon |
thumbnail_m | http://covers-cdn.summon.serialssolutions.com/index.aspx?isbn=/mc.gif&issn=2322-2093&client=summon |
thumbnail_s | http://covers-cdn.summon.serialssolutions.com/index.aspx?isbn=/sc.gif&issn=2322-2093&client=summon |