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Title:
Parametrična analiza sevanja v avtomobilski meglenki z uporabo numeričnih simulacij
Authors:
ID
Brglez, Špela
(Author)
ID
Škerget, Leopold
(Mentor)
More about this mentor...
ID
Ravnik, Jure
(Comentor)
Files:
UNI_Brglez_Spela_2012.pdf
(2,44 MB)
MD5: 308C6F8055286DF9B66548D52E93137A
PID:
20.500.12556/dkum/ba1b2f55-2d4c-4bb1-870d-823b3d416ae9
Language:
Slovenian
Work type:
Bachelor thesis/paper
Typology:
2.11 - Undergraduate Thesis
Organization:
FS - Faculty of Mechanical Engineering
Abstract:
Tema diplomskega dela je numerična simulacija sevanja. Simulirano je sevanje nitke, obdane s parabolo, na lečo in ekran. Parametrična analiza je pokazala, kako določeni parametri (računska mreža modela, emisivnost reflektorja na paraboli, faktor difuznega odboja reflektorja na paraboli, število spektralnih pasov in nastavitev absorptivnosti leče ) vplivajo na končni rezultat. Izkazalo se je, da z zgoščanjem računske mreže temperatura na leči in ekranu raste, z zviševanjem emisivnosti pa pada. Z večanjem faktorja difuznega odboja, se je temperatura v leči in ekranu zmanjšala, v reflektorju pa povišala. Rezultati za različno število spektralnih pasov so se dobro ujemali. Pri povečevanju maksimalne absorptivnosti leče je temperatura leče naraščala, temperatura ekrana je padla, temperature reflektorja in nitke pa so se skoraj povsem ujemale.
Keywords:
prenos toplote
,
sevanje
,
numerična simulacija
,
računalniška dinamika tekočin
,
meglenka
Place of publishing:
Maribor
Publisher:
[Š. Brglez]
Year of publishing:
2012
PID:
20.500.12556/DKUM-21999
UDC:
536.33-35:628.94(043.2)
COBISS.SI-ID:
16189462
NUK URN:
URN:SI:UM:DK:XMPEHEUA
Publication date in DKUM:
27.02.2012
Views:
3309
Downloads:
828
Metadata:
Categories:
KTFMB - FS
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:
BRGLEZ, Špela, 2012,
Parametrična analiza sevanja v avtomobilski meglenki z uporabo numeričnih simulacij
[online]. Bachelor’s thesis. Maribor : Š. Brglez. [Accessed 23 April 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=21999
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Secondary language
Language:
English
Title:
PARAMETRIC ANALYSIS OF RADIATION INSIDE A CAR FOG LIGHT WITH USE OF NUMERICAL SIMULATIONS
Abstract:
Theme of the diploma work is numerical simulation of radiation. Radiation of wolfram filament, collared with parabola, on a lens and on a screen was simulated. The parametric analysis showed how certain parameters (mesh of the model, emissivity of the reflector on the parabola, diffuse fraction of the reflector on the parabola, number of spectral bands and the lens absorption setting) influence the final result. It turned out that the lens and the screen temperatures rise with mesh refinement and they drop with increased emissivity. Increasing the diffuse fraction, temperatures in lens and in screen drop and they rise in the reflector. Results for different quantities of spectral bands matched quite well. When rising maximum absorption of the lens, temperatures in it rise, temperatures in the screen drop and temperatures in the reflector as well as in the filament stay the same.
Keywords:
heat transfer
,
radiation
,
numeric simulation
,
computational fluid dynamics
,
fog light
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