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Title:Numerična analiza termo hidravličnih razmer v avtomobilski meglenki
Authors:ID Ramšak, Matjaž (Author)
ID Žunič, Zoran (Author)
ID Škerget, Leopold (Author)
ID Jurejevčič, Tomaž (Author)
Files:URL http://www.drustvozamehaniko.si/zbornik/ZbornikKD2008.pdf
 
Language:Slovenian
Work type:Unknown
Typology:1.08 - Published Scientific Conference Contribution
Organization:FS - Faculty of Mechanical Engineering
Abstract:V prispevku obravnavamo vezan prenos toplote v trdnini in tekočini znotraj avtomobilske meglenke s programom za ra¡cunalniško dinamiko tekočin CFX [1]. Modelirani so vsi trije osnovni mehanizmi prenosa toplote: difuzija, konvekcija in sevanje. Predstavili bomo dva pristopa k modeliranju sevanja. Prav tako primerjamo rezultate izračunane kot laminarni in turbulentni tok, ker ocenjeno Raylightovo število nakazuje prehodni režim. Rezultati se dobro ujemajo z meritvami.
Keywords:prenos toplote, računalniška dinamika tekočin, halogenske žarnice, termične napetosti
Year of publishing:2008
PID:20.500.12556/DKUM-26267 New window
UDC:536.24
COBISS.SI-ID:12631318 New window
NUK URN:URN:SI:UM:DK:BE3AHGES
Publication date in DKUM:31.05.2012
Views:2108
Downloads:59
Metadata:XML DC-XML DC-RDF
Categories:Misc.
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Secondary language

Language:English
Title:Numerical analysis of thermo hydraulic conditions in car fog lamp
Abstract:In the article a coupled heat transfer in the solid and fluid inside of a car fog lamp is presented using CFD software CFX [1]. All three basic principles of heat transfer are dealt with: conduction, convection and radiation. Two different approaches to radiation modeling are compared. Laminar and turbulent flow modeling are compared since computed Rayleight number indicates transitional flow regime. Results are in good agreement with the measurements.
Keywords:heat transfer, computer fluid dynamics, car fog lamp


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