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Title:Numerična simulacija naravne konvekcije okoli vročega telesa
Authors:Panikvar, Rok (Author)
Ravnik, Jure (Mentor) More about this mentor... New window
Škerget, Leopold (Co-mentor)
Files:.pdf UNI_Panikvar_Rok_2013.pdf (4,90 MB)
 
Language:Slovenian
Work type:Undergraduate thesis (m5)
Organization:FS - Faculty of Mechanical Engineering
Abstract:V diplomskem delu je predstavljena simulacija naravne konvekcije nanotekočine. S programskim paketom Ansys CFX smo simulirali konvektivni tok hlajenja z naravno konvekcijo okoli gretega telesa v kubični kotanji. Rezultate smo primerjali z že izvedenim eksperimentom in simulacijami drugih avtorjev. Ugotovili smo, da se rezultati ujemajo. Predstavili smo modele različnih geometrij in različnih tekočin. Poiskali smo najugodnejšo geometrijo in najučinkovitejši medij. Prenos toplote naravne konvekcije je največji pri tekočini, v kateri je stabilna suspenzija kovinskih nanodelcev, kar je iztočnica za nadaljnje raziskave.
Keywords:Računalniška dinamika tekočin, metoda končnih volumnov, naravna konvekcija, greta kotanja, nanodelci, nanotekočina
Year of publishing:2012
Source:Maribor
NUK URN:URN:SI:UM:DK:XQ5FCCQA
Views:1362
Downloads:96
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Categories:KTFMB - FS
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Secondary language

Language:English
Title:Numerical simulation of free convection around a hotstrip
Abstract:This diploma work presents the simulation of natural convection of nanofluid. With the program package Ansys CFX we simulated cooling of a heated body in a cubic cavity by means of natural convection. We compared the results with the experiment and simulations made by other authors. The results are in good comparison. Models of different geometries and different liquids were presented. We searched for the most appropriate geometry and the most efficient medium. Natural convection heat transfer is highest with a stable suspension of metal nanoparticles in a liquid. This is a basis for further research.
Keywords:Computational fluid dynamics, finite volume method, natural convection, heated cavity, nanoparticles, nanofluid


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