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Naslov:Fatigue behaviour of brazed joints for heat exchangers
Avtorji:ID Hanželič, Blaž (Avtor)
ID Kralj, Jernej (Avtor)
ID Bončina, Tonica (Avtor)
ID Nečemer, Branko (Avtor)
ID Kramberger, Janez (Avtor)
ID Satošek, Roman (Avtor)
ID Glodež, Srečko (Avtor)
Datoteke:.pdf materials-17-00479_(1).pdf (7,44 MB)
MD5: B52A13FEAF6B19906FA91ACBB5EBB9E0
 
URL https://www.mdpi.com/1996-1944/17/2/479
 
Jezik:Angleški jezik
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Opis:The plate heat exchanger (PHE) is a component that provides heat to be transferred from hot water to domestic cold water without mixing them with high efficiency. Over the lifetime of the PHE, cyclic pressures act on the brazing points and the plates, and this may lead to fatigue failure. The fatigue behaviour of the PHE, designed using copper-brazed 316L stainless steel, was investigated in this study. First, the fatigue tests under the load ratio R = 0.1 were performed on the Vibrophore 100 testing machine to obtain the S-N curve of the analysed brazed joint. Based on the obtained experimental results, an appropriate material model of the analysed brazed joint has been created, which was validated with numerical calculation in the framework of a program code Ansys. A validated material model was then used for the subsequent numerical analysis of PHE. In order to carry out a numerical calculation using the finite element method (FEM), a three-dimensional model of the heat exchanger was created based on the previous scanning of PHE-geometry. Thereafter, the geometry was parameterised, which allowed us to perform parametric simulations (monitoring different responses depending on the input geometry). Numerical simulations were carried out in the framework of the Ansys 2023-R1 software, whereby the obtained results were analysed, and the responses were appropriately characterised according to previously determined load cases.
Ključne besede:brazed joint, fatigue, experimental testing, computational analyses, heat exchanger
Status publikacije:Objavljeno
Verzija publikacije:Objavljena publikacija
Poslano v recenzijo:12.01.2024
Datum sprejetja članka:17.01.2024
Datum objave:19.01.2024
Založnik:MDPI
Leto izida:2024
Št. strani:13 str.
Številčenje:Vol. 17, iss. 2, [article no.] 479
PID:20.500.12556/DKUM-86963 Novo okno
UDK:620.17:621.791.3
COBISS.SI-ID:182982659 Novo okno
DOI:10.3390/ma17020479 Novo okno
ISSN pri članku:1996-1944
Datum objave v DKUM:31.01.2024
Število ogledov:133
Število prenosov:24
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
Področja:Ostalo
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Vaša ocena:Ocenjevanje je dovoljeno samo prijavljenim uporabnikom.
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Gradivo je del revije

Naslov:Materials
Skrajšan naslov:Materials
Založnik:Molecular Diversity Preservation International
ISSN:1996-1944
COBISS.SI-ID:33588485 Novo okno

Gradivo je financirano iz projekta

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:P2-0063
Naslov:Konstruiranje celičnih struktur

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:lotni spoj, utrujanje, eksperimentalno testiranje, računalniške analize, toplotni izmenjevalec


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