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Title:Numerična simulacija zračnega hlajenja zavornega diska za tirna vozila
Authors:ID Grivc, Uroš (Author)
ID Hriberšek, Matjaž (Mentor) More about this mentor... New window
ID Vesenjak, Matej (Comentor)
Files:.pdf UN_Grivc_Uros_2016.pdf (3,35 MB)
MD5: 0BB93B22540A30224E7459970B7CDF4F
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:Diplomsko delo opisuje postopek računalniške simulacije hlajenja zavornega diska tirnega vozila z okoliškim zrakom, za to je bila uporabljena CFD simulacija izvedena s programom ANSYS CFX. Cilj CFD simulacije je bil pridobitev koeficienta prestopa toplote po celotni površini zavornega diska in kolesa. Ti rezultati so bili pridobljeni pri različnih vrtilnih hitrostih. Nato je sledila simulacija prevoda toplote čez disk z upoštevanjem gredi, vijakov in kolesa na katerega je disk pritrjen, robni pogoji za to časovno odvisno simulacijo pa so bili preneseni iz CFD analize. Vnos toplote po torni površini je bil enak tistemu iz realnih testov saj je bila izvedena primerjava z rezultati iz testiranj tega diska. Nato je bila izvedena še časovno odvisna trdnostna analiza zavornega diska.
Keywords:Termo-mehanska analiza, simulacija, zavorni disk, CFD, MKE
Place of publishing:Maribor
Publisher:[U. Grivc]
Year of publishing:2016
PID:20.500.12556/DKUM-58200 New window
UDC:[519.6:536.2]:62-712(043.2)
COBISS.SI-ID:19735574 New window
NUK URN:URN:SI:UM:DK:BFYVEM5K
Publication date in DKUM:21.04.2016
Views:1310
Downloads:222
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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Secondary language

Language:English
Title:Numerical simulation of thermal and structural loads in rolling stock brake disc
Abstract:The thesis describes computer simulation of air cooling of rolling stock brake disc. For this CFD simulation ANSYS CFX software was used. The goal of the CFD simulation was to obtain wall heat transfer coefficient at different angular velocities on the surfaces of brake disc and wheel. Than transient thermal simulation including all assembly parts was done. Boundary conditions for dissipation of heat were transferred from CFD simulation. Power input into the disc brake and angular velocity were equal to those measured in real tests as comparison of temperature results was made. Than transient structural analysis was done using ANSYS structural.
Keywords:Thermo-mechanical analysis, simulation, brake disc, CFD, HTC, MKE


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