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Title:Numerična analiza tokovnih razmer v kondenzacijskem delu prenosnika toplote : magistrsko delo
Authors:ID Sevčnikar, Dejan (Author)
ID Zadravec, Matej (Mentor) More about this mentor... New window
ID Štrucl, Jure (Comentor)
Files:.pdf MAG_Sevcnikar_Dejan_2024.pdf (6,20 MB)
MD5: 3E0A77C690C4D73401111BBCF8B6A228
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:V zmogljivih baterijskih električnih vozilih se kompaktni ploščni prenosniki toplote uporabljajo za zagotavljanje odvoda toplote iz kompresorskega parnega hladilnega kroga. V magistrskem delu smo obravnavali kondenzacijo hladiva v takšnem prenosniku toplote. Pripravili smo geometrijo prenosnika toplote in jo zamrežili s strukturirano mrežo. Izvedli smo analizo vpliva debeline elementa pri steni in analizo kalibracijskega parametra kondenzacijskega modela. Na podlagi rezultatov smo izbrali primerne kalibracijske vrednosti in izvedli variacijo masnega pretoka. Rezultate variacije masnega pretoka smo primerjali z meritvami iz referenčnega članka in ugotovili, da lahko, z uporabo navedenega modela, razmeroma natančno napovemo prestop toplote in suhost pare za izbrani primer. Prav tako smo s simulacijo potrdili trende, ki se pojavljajo pri spremembah masnega pretoka in suhosti pare.
Keywords:kondenzacija, numerična analiza, prenosnik toplote, hladivo
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[D. Sevčnikar]
Year of publishing:2024
Number of pages:1 spletni vir (1 datoteka PDF (XIII, 67 f. ))
PID:20.500.12556/DKUM-88023 New window
UDC:536.24+536.423.4(043.2)
COBISS.SI-ID:195572483 New window
Publication date in DKUM:22.04.2024
Views:381
Downloads:24
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:05.04.2024

Secondary language

Language:English
Title:Numerical analysis of flow behaviour in the condensation section of a heat exchanger
Abstract:High performance battery electric vehicles use compact plate heat exchangers to achieve sufficient heat rejection from compressor cooling systems. In this master’s thesis we considered condensation in a similar heat exchanger. We prepared the heat exchanger geometry and meshed it with a structured mesh. We performed an analysis of the first element thickness effect and an analysis of the condensation model calibration parameter effect. Based on the results we chose appropriate calibration values and performed a mass flow variation study. We compared the study results to results from the reference article and concluded that we can reasonably predict heat transfer and vapor quality for the chosen operating points. We confirmed trends which are apparent with mass flow and vapor quality changes.
Keywords:condensation, numerical analysis, heat exchanger, refrigerant


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