Unconfined propeller jet scour on clay/sand mixtures

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dc.authoridDogu, Ali/0000-0002-9267-0356
dc.authoridcihan, kubilay/0000-0002-0177-4345
dc.authoridYILMAZ, Damla/0000-0003-4207-7105
dc.authoridSahin, Cihan/0000-0002-5835-7147
dc.authoridYILDIZ, OSMAN/0000-0002-5544-101X
dc.contributor.authorCihan, Kubilay
dc.contributor.authorDog, Ali
dc.contributor.authorYilmaz, Damla
dc.contributor.authorOzan, Ayse Yuksel
dc.contributor.authorYildiz, Osman
dc.contributor.authorSahin, Cihan
dc.date.accessioned2025-01-21T16:55:46Z
dc.date.available2025-01-21T16:55:46Z
dc.date.issued2022
dc.departmentKırıkkale Üniversitesi
dc.description.abstractIn this study, scour due to an unconfined propeller water jet on homogeneous clay-sand mixtures was investigated experimentally. A total of 9 tests were conducted for the sand bed and 18 tests were carried out for the sand-clay mixture bed. Since clay contents (p) of 0, 5 and 10% by weight were used in the experiments, scour in poorly cohesive sand-clay mixture bed was taken into account. Propeller diameters (Dp) were 0.06 and 0.09 m. Dimensionless propeller heights (y0/Dp) were defined as 1.67, 1.11, 1.0. The increase in clay content causes a decrease in the scour depth and changes the formation of scour profiles. The parameters y0/Dp, F0 (densimetric Froude number), p were found to have significant effects on the behavior of clay-sand mixtures. Considering the test results, equations were proposed to estimate the maximum depth and length of the scour hole formed in the equilibrium condition. In addition, by modifying the equation proposed by Hong et al. (2013), a new equation is proposed for the estimation of temporal maximum scour depth due to the propeller water jet on the sand and weakly cohesive sand-clay mixture beds.
dc.description.sponsorshipScientific Research Projects Coor- dination Unit of Kirikkale University [2018/074]; Scientific and Technological Research Council of Turkey (TUBITAK) [218M428]
dc.description.sponsorshipThis work was supported by the Scientific Research Projects Coor- dination Unit of Kirikkale University (Project Number: 2018/074) and the Scientific and Technological Research Council of Turkey (TUBITAK) (Project number: 218M428) .
dc.identifier.doi10.1016/j.oceaneng.2022.112448
dc.identifier.issn0029-8018
dc.identifier.issn1873-5258
dc.identifier.scopus2-s2.0-85137384464
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.oceaneng.2022.112448
dc.identifier.urihttps://hdl.handle.net/20.500.12587/25833
dc.identifier.volume264
dc.identifier.wosWOS:000857300500001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPergamon-Elsevier Science Ltd
dc.relation.ispartofOcean Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241229
dc.subjectClay-sand mixture; Unconfined propeller jet; Scour
dc.titleUnconfined propeller jet scour on clay/sand mixtures
dc.typeArticle

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