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master's thesis
Usporedba 2D i 3D numeričkih modela otvorenih vodotoka
2019. urn:nbn:hr:190:806761
Pupić, Dario
University of Rijeka
Faculty of Engineering
Department of Fluid Mechanics and Computational Engineering
Section of Fluid Mechanics and Hydraulic Machines

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Pupić, D. (2019). Usporedba 2D i 3D numeričkih modela otvorenih vodotoka (Master's thesis). Rijeka: University of Rijeka, Faculty of Engineering. Retrieved from https://urn.nsk.hr/urn:nbn:hr:190:806761

Pupić, Dario. "Usporedba 2D i 3D numeričkih modela otvorenih vodotoka." Master's thesis, University of Rijeka, Faculty of Engineering, 2019. https://urn.nsk.hr/urn:nbn:hr:190:806761

Pupić, Dario. "Usporedba 2D i 3D numeričkih modela otvorenih vodotoka." Master's thesis, University of Rijeka, Faculty of Engineering, 2019. https://urn.nsk.hr/urn:nbn:hr:190:806761

Pupić, D. (2019). 'Usporedba 2D i 3D numeričkih modela otvorenih vodotoka', Master's thesis, University of Rijeka, Faculty of Engineering, accessed 18 April 2024, https://urn.nsk.hr/urn:nbn:hr:190:806761

Pupić D. Usporedba 2D i 3D numeričkih modela otvorenih vodotoka [Master's thesis]. Rijeka: University of Rijeka, Faculty of Engineering; 2019 [cited 2024 April 18] Available at: https://urn.nsk.hr/urn:nbn:hr:190:806761

D. Pupić, "Usporedba 2D i 3D numeričkih modela otvorenih vodotoka", Master's thesis, University of Rijeka, Faculty of Engineering, Rijeka, 2019. Available at: https://urn.nsk.hr/urn:nbn:hr:190:806761

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Metadata
TitleUsporedba 2D i 3D numeričkih modela otvorenih vodotoka
Title (english)2D and 3D Free Surface Flow Numerical Models Comparison
AuthorDario Pupić
MentorLado Kranjčević (mentor)
MentorSiniša Družeta (komentor)
Committee memberKristian Lenić (predsjednik povjerenstva)
Committee memberRoberto Žigulić (član povjerenstva)
Committee memberOzren Bukovac (član povjerenstva)
GranterUniversity of Rijeka
Faculty of Engineering
(Department of Fluid Mechanics and Computational Engineering)
(Section of Fluid Mechanics and Hydraulic Machines)
Rijeka
Defense date and country2019-09-27, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Mechanical Engineering
Abstract
3D k-ɛ turbulentni model strujanja fluida je pokazao da dobro opisuje strujanje vode u pravokutnim zakrivljenim kanalima. Podudaranje rezultata numeričkih simulacija i eksperimentalnih rezultata iz članaka [1], [2] i [3] su vrlo dobra. Provedene su numeričke simulacije na različitim veličinama mreže. Pokazalo se da grublje mreže daju dobre rezultate u usporedbi sa rezultatima finijih mreža. Dvofazni pristup daje približno točne rezultate i omogućava uvid u slobodnu površinu međutim zahtjeva nekoliko puta veću mrežu i višestruko duže vrijeme računanja. 2D simulacija daje rezultate dobrog reda veličine ali ne omogućava točan izračun brzina duž visine kanala.
Abstract (english)
The 3D k-ɛ turbulent fluid flow model showed that it describes well the water flow in rectangular curved channels. The results of numerical simulations and experimental results in [1], [2] and [3] are very good. Numerical simulations were performed on different mesh sizes. Finer mesh have been shown to perform well compared to coarser mesh. The two-phase approach gives roughly accurate results and provides insight into the free surface, however, requiring several times the size of the network and multiple times of computation. 2D simulation results in good order of magnitude but does not allow accurate calculation of velocity along the channel height.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:190:806761
Study programmeTitle: Mechanical Engineering
Study programme type: university
Study level: graduate
Academic / professional title: magistar/magistra inženjer/inženjerka strojarstva (magistar/magistra inženjer/inženjerka strojarstva)
Type of resourceText
File originBorn digital
Access conditionsAccess restricted to authenticated users
Terms of useLicence In copyright icon
Created on2019-10-23 08:45:00