Vortex depth analysis in an unbaffled stirred tank with concave blade impeller

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dc.citation.epage307
dc.citation.issue3
dc.citation.spage301
dc.citation.volume11
dc.contributor.affiliationDepartment of Civil Engineering, NIT Manipur
dc.contributor.affiliationDepartment of Civil Engineering, IIT Guwahati
dc.contributor.authorDevi, Thiyam
dc.contributor.authorKumar, Bimlesh
dc.coverage.placenameLviv
dc.date.accessioned2018-06-21T09:53:17Z
dc.date.available2018-06-21T09:53:17Z
dc.date.created2017-01-20
dc.date.issued2017-01-20
dc.description.abstractПроведені дослідження в неекранованому резервуарі з перемішуванням, обладнаним імпелером з увігну- тими лопатями. Вивчено вплив діаметра робочого колеса (d), діаметру резервуара (D) і глибини зазору робочого колеса (C) на глибину вихорів за різних швидкостей обертання імпелера. Ви- значено, що глибина вихору є більшою, коли робоче колесо зна- ходиться ближче до дна резервуара. Відносна глибина вихору збільшується зі збільшенням діаметра робочого колеса при всіх значеннях глибини зазору робочого колеса при постійному D. Встановлено, що при постійному d і різній глибині зазору робочого колеса чим менший діаметр резервуара, тим більша відносна глибина вихору. Критична швидкість зменшується зі збільшенням C/D і d/D. Розроблено масштабований критерій відносної глибини вихору, дійсний для геометрично подібних умов.
dc.description.abstractThe present study was carried out by experimenting in a stirred tank of unbaffled system employed with concave blade impeller. In this study the influence of impeller diameter (d), tank diameter (D) and impeller clearance depth (C) on vortex depth is investigated at various impeller rotational speeds. The higher vortex depth is observed when the impeller is closer to the tank bottom. Relative vortex depth increases with the increase in the impeller diameter in all cases of impeller clearance depth at constant D. Smaller tank diameter gives higher relative vortex depth, when d is constant at different impeller clearance depths. Critical speed is found decreasing with the increase in C/D and d/D ratio. Finally, a scale up criteria for relative vortex depth has been developed, which is valid for geometrically similar conditions.
dc.format.extent301-307
dc.format.pages7
dc.identifier.citationDevi T. Vortex depth analysis in an unbaffled stirred tank with concave blade impeller / Thiyam Devi, Bimlesh Kumar // Chemistry & Chemical Technology. — Lviv : Lviv Politechnic Publishing House, 2017. — Vol 11. — No 3. — P. 301–307.
dc.identifier.citationenDevi T. Vortex depth analysis in an unbaffled stirred tank with concave blade impeller / Thiyam Devi, Bimlesh Kumar // Chemistry & Chemical Technology. — Lviv : Lviv Politechnic Publishing House, 2017. — Vol 11. — No 3. — P. 301–307.
dc.identifier.urihttps://ena.lpnu.ua/handle/ntb/42099
dc.language.isoen
dc.publisherLviv Politechnic Publishing House
dc.relation.ispartofChemistry & Chemical Technology, 3 (11), 2017
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dc.relation.urihttps://doi.org/10.1016/j.cej.2006.09.019
dc.relation.urihttps://doi.org/10.1016/j.ces.2007.07.074
dc.relation.urihttps://doi.org/10.1002/ceat.270180113
dc.relation.urihttps://doi.org/10.1016/S0009-2509(01)00015-X
dc.relation.urihttps://doi.org/10.1016/j.procbio.2007.10.001
dc.relation.urihttps://doi.org/10.1016/0009-2509(95)00307-X
dc.relation.urihttps://doi.org/10.1002/cjce.5450790501
dc.relation.urihttps://doi.org/10.1080/00986440108912898
dc.relation.urihttps://doi.org/10.1002/aic.10834
dc.relation.urihttps://doi.org/10.1002/jctb.1643
dc.relation.urihttps://doi.org/10.1002/jctb.1726
dc.relation.urihttps://doi.org/10.1016/j.ces.2008.06.007
dc.relation.urihttps://doi.org/10.1299/jfst.3.282
dc.relation.urihttps://doi.org/10.1016/j.cherd.2008.12.022
dc.relation.urihttps://doi.org/10.1016/j.ces.2010.01.026
dc.relation.urihttps://doi.org/10.1016/j.cej.2012.04.044
dc.relation.urihttps://doi.org/10.3303/CET1124241
dc.relation.urihttps://doi.org/10.1016/j.biotechadv.2012.01.019
dc.relation.urihttps://doi.org/10.1061/(ASCE)0733-9429(2009)135:1(38
dc.relation.urihttps://doi.org/10.1016/0009-2509(79)85073-3
dc.relation.urihttps://doi.org/10.1002/bit.260100206
dc.rights.holder© Національний університет „Львівська політехніка“, 2017
dc.rights.holder© Devi T., Kumar B., 2017
dc.subjectувігнута лопать
dc.subjectобчислювальна гідродинаміка
dc.subjectрезервуар з мішалкою
dc.subjectглибина вихору
dc.subjectconcave blade
dc.subjectcomputational fluid dynamics
dc.subjectstirred tank
dc.subjectvortex depth
dc.titleVortex depth analysis in an unbaffled stirred tank with concave blade impeller
dc.title.alternativeАналіз глибини вихору в неекранованому резервуарі з перемішуванням і лопатевим імпелером
dc.typeArticle

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Chemistry & Chemical Technology. – 2017. – Vol. 11, No. 3