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Title:Numerična simulacija s tokom gnane kinetične turbine
Authors:ID Smogavec, Bojan (Author)
ID Biluš, Ignacijo (Mentor) More about this mentor... New window
ID Zadravec, Matej (Comentor)
Files:.pdf VS_Smogavec_Bojan_2015.pdf (1,57 MB)
MD5: 0B96697458142293BA1C502E01C9C3F2
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:Diplomsko delo obravnava časovno odvisno numerično simulacijo s tokom gnane hidrokinetične turbine. V diplomskem delu je izdelana numerična simulacija, kje se na podlagi predpisanega toka vode vzpostavi vrtenje rotorja hidrokinetične turbine. Znotraj dela sta bili izvedeni dve numerični simulaciji za različna pretoka vode in medsebojna primerjava obeh. Rezultati primerjave vrtilne hitrosti, navora na turbino in moči kažejo na konsistentnost rezultatov glede na različno podane robne pogoje obeh numeričnih simulacij. S pomočjo takih numeričnih simulacij lahko zelo učinkovito ugotavljamo odziv turbin na različne pogoje tokovnega polja reke in določamo, kako izboljšati karakteristike turbine na podlagi sprememb geometrije same turbine, kar je cenovno in časovno manj potratno, kot bi bila izvedba eksperimenta.
Keywords:računalniška dinamika tekočin, hidrokinetična turbina, turbulentni tok, s tokom gnana turbina
Place of publishing:Maribor
Publisher:[B. Smogavec]
Year of publishing:2015
PID:20.500.12556/DKUM-55470 New window
UDC:[004.94]:621.224(043.2)
COBISS.SI-ID:19361814 New window
NUK URN:URN:SI:UM:DK:GP7EYESS
Publication date in DKUM:14.12.2015
Views:1717
Downloads:139
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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Secondary language

Language:English
Title:Numerical simulation of kinetic water turbine
Abstract:The thesis discusses time-dependent numerical simulation of a flow driven hydrokinetic turbine. We designed a numerical simulation on the basis of the prescribed water flow that establishes a hydrokinetic turbine rotor. Two numerical simulations were carried out for different water flows and a mutual comparison of the two. Results comparing the rotational speed, torque on the turbine and power show the consistency of the results according to different given boundary conditions of both numerical simulations. With the help of these numerical simulations we can effectively establish the response of turbines in various conditions of a flow field of a river and to determine improved characteristics of the turbine on the basis of changes in the geometry of the turbine, which is affordable and less time-consuming as would be the implementation of the experiment.
Keywords:computational fluid dynamics, kinetic water turbine, turbulent flow, flow driven turbine


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