Numerična analiza termo hidravličnih razmer v avtomobilski meglenki

Matjaž Ramšak (Author), Zoran Žunič (Author), Leopold Škerget (Author), Tomaž Jurejevčič (Author)

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;

Data

Language:	Slovenian
Year of publishing:	2008
Typology:	1.08 - Published Scientific Conference Contribution
Organization:	UM FS - Faculty of Mechanical Engineering
UDC:	536.24
COBISS:	12631318
Views:	1396
Downloads:	40
Average score:	0 (0 votes)
Metadata:

Other data

Secondary language:	English
Secondary title:	Numerical analysis of thermo hydraulic conditions in car fog lamp
Secondary 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.
Secondary keywords:	heat transfer;computer fluid dynamics;car fog lamp;
URN:	URN:SI:UM:
Pages:	Str. 163-169
ID:	8717844