Št. zadetkov: 9
Magistrsko delo
Oznake:
magistrske naloge;uklon;material z oblikovnim spominom;fazna transformacija;metoda končnih elementov;inkrementalno obremenjevanje;
Magistrsko delo obravnava analizo uklona cevi, ki je izdelana iz materiala z oblikovnim spominom. Narejen je bil sistematičen pregled literature, ki obravnava termo-mehanske modele in lastnosti teh materialov. Razvit je bil numerični model, ki omogoča določitev kritične uklonske sile. Model temelji ...
Leto:
2018
Vir:
Fakulteta za strojništvo (UL FS)
Doktorska disertacija
Oznake:
strukturna stabilnost;uklon;materiali z oblikovnim spominom;lupine;superelastičnost;elastokalorični učinek;
V zadnjih letih se je elastokaloriˇcna tehnologija hlajenja (ETH), ki temelji na elastokaloriˇcnem uˇcinku materialov z oblikovnim spominom (MOS), uveljavila kot ena najbolj obetavnih alternativ parno-kompresijske tehnologije hlajenja. Glavna omejitev ETH je kratka ˇzivljenjska doba, ki se lahko bis ...
Leto:
2022
Vir:
Fakulteta za strojništvo (UL FS)
Izvirni znanstveni članek
Oznake:
shape-memory material;elastocaloric effect;stability of cylindrical shells;
Elastocaloric cooling technology recently attracted significant attention as an environmental friendly alternative to vapor-compression technology. It is based on the elastocaloric effect, which occurs in superelastic shape memory alloys (SMAs) during stress-induced martensitic transformation. To da ...
Leto:
2022
Vir:
Fakulteta za strojništvo (UL FS)
Samostojni znanstveni sestavek ali poglavje v monografski publikaciji
Oznake:
shape memory alloys;superelasticity;3D-shell model;finite elements;
A finite element formulation for the analysis of large strains of thin-walled shape memory alloys is briefly presented. For the shell model we use a seven-kinematic-parameter model for large deformations and rotations, which takes into account the through-the-thickness stretch and can directly incor ...
Leto:
2020
Vir:
Fakulteta za strojništvo (UL FS)
Izvirni znanstveni članek
Oznake:
elastokalorični učinek;kalorično hlajenje;tlačno obremenjevanje;NiTi;numerično modeliranje;histereza;elastocaloric effect;caloric cooling;compressive loading;numerical modeling;hysteresis;
Elastocaloric cooling is considered an environmentally friendly future alternative to vapor-compression technology. Recently, a shell-and-tube-like elastocaloric regenerator loaded in compression has demonstrated record-breaking heat-pumping performance and fatigue-resistant operation. The aim of th ...
Leto:
2022
Vir:
Fakulteta za strojništvo (UL FS)
Izvirni znanstveni članek
Oznake:
elastocaloric effect;cooling;active elastocaloric regenerators;fatigue life;driver mechanism;
The elastocaloric cooling, utilizing latent heat associated with martensitic transformation in shape-memory alloys, is being considered in the recent years as one of the most promising alternatives to vapour compression cooling technology. It can be more efficient and completely harmless to the envi ...
Leto:
2019
Vir:
Fakulteta za strojništvo (UL FS)
Izvirni znanstveni članek
Oznake:
zlitine z oblikovnim spominom;superelastičnost;velike specifične deformacije;smart memory alloys;superlasticity;large strains;thin-walled structures;finite strains;seven-parameter shell model;
Many shape memory alloy (SMA) applications, such as biomedical devices, electromechanical actuators, and elastocaloric cooling devices, are based on thin-walled flat or shell-like structures. An advanced design of such structures requires the development of an efficient and accurate numerical tool f ...
Leto:
2021
Vir:
Fakulteta za strojništvo (UL FS)
Izvirni znanstveni članek
Oznake:
elastokalorični učinek;zlitine z oblikovnim spominom;doba trajanja;tlačno obremenjevanje;uklon;elastocaloric effect;shape memory alloys;fatigue life;compressive loading;buckling;
Elastocaloric cooling is emerging as one of the most promising alternatives to vapor-compression cooling technology. It is based on the elastocaloric effect (eCE) of shape memory alloys (SMAs), which occurs due to a stress-induced martensitic transformation (superelasticity). In recent years, severa ...
Leto:
2020
Vir:
Fakulteta za strojništvo (UL FS)
Žiga Ahčin,
Stefano DallʹOlio,
Andrej Žerovnik,
Urban Žvar Baškovič,
Luka Porenta,
Parham Kabirifar,
Jan Cerar,
Samo Zupan,
Miha Brojan,
Jernej Klemenc,
Jaka Tušek
Izvirni znanstveni članek
Oznake:
elastocaloric effect;caloric cooling;heating;heat-pumps;shape-memory alloys;tubes;Ni–Ti;compressive loading;fatigue efficiency;
Refrigeration is vital to the modern society; however, it is one of the most polluting sectors in the world. Despite decades of development, our standard vapor-compression technology remains relatively inefficient and still uses harmful refrigerants. Elastocaloric cooling has shown significant poten ...
Leto:
2022
Vir:
Fakulteta za strojništvo (UL FS)