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Št. zadetkov: 7
Optimizacija senzibilnega hranilnika toplote s fazno spremenljivimi snovmi
Žiga Ahčin, Uroš Stritih
Magistrsko delo
Oznake: magistrske naloge;latentni hranilniki toplote;fazno spremenljive snovi (FSS);shranjevanje toplote;TRNSYS;optimizacija;
V magistrskem delu je predstavljena analiza izboljšave shranjevanja toplote v senzibilnem hranilniku toplote z vgradnjo modulov s fazno spremenljivo snovjo. Izvedle so se meritve pri različnih pogojih delovanja, čemur je sledila validacija simulacijskega modela, ki je bila izvedena s programskim oro ...
Leto: 2018 Vir: Fakulteta za strojništvo (UL FS)
Parametric analysis of fatigue-resistant elastocaloric regenerators
Žiga Ahčin, Jaka Tušek
Izvirni znanstveni članek
Oznake: elastocaloric effect;caloric cooling;Ni-Ti;regenerators;parametric analysis;
Elastocaloric cooling has recently shown high potential as an environmentally friendly alternative to vapor-compression technology. Here, we have studied and analyzed the geometric characteristics of two active elastocaloric regenerators (AeCRs) that were proved to have high application potential, i ...
Leto: 2023 Vir: Fakulteta za strojništvo (UL FS)
Numerical and experimental analysis of active elastocaloric regenerators
Žiga Ahčin, Jaka Tušek
Doktorska disertacija
Oznake: dissertations;elastocaloric effect;caloric cooling;elastocaloric regenerator;experimental analysis;numerical modelling;optimization;
Elastokalorična tehnologija hlajenja se uveljavlja kot okolju prijazna alternativa parnokompresijski tehnologiji hlajenja, saj temelji na okolju neškodljivih trdninskih materialih, hkrati pa ima potencial doseči visoko učinkovitost. Temelji na elastokaloričnem učinku v materialih z oblikovnim spomin ...
Leto: 2023 Vir: Fakulteta za strojništvo (UL FS)
Thermo-hydraulic evaluation of oscillating-flow shell-and-tube-like regenerators for (elasto)caloric cooling
Žiga Ahčin, Jierong Liang, Kurt Engelbrecht, Jaka Tušek
Izvirni znanstveni članek
Oznake: heat regenerator;shell-and-tube heat exchanger;elastocaloric cooling;thermal effectiveness;nusselt number;friction factor;
The development of novel regenerators for caloric cooling applications requires a detailed evaluation of their thermo-hydraulic properties. Structures similar to shell-and-tube heat exchangers are one of the most promising geometries for elastocaloric technology since they exhibit high thermal perfo ...
Leto: 2021 Vir: Fakulteta za strojništvo (UL FS)
Numerical modeling of shell-and-tube-like elastocaloric regenerator
Žiga Ahčin, Parham Kabirifar, Luka Porenta, Miha Brojan, Jaka Tušek
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)
Elastocaloric cooling
Parham Kabirifar, Andrej Žerovnik, Žiga Ahčin, Luka Porenta, Miha Brojan, Jaka Tušek
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)
High-performance cooling and heat pumping based on fatigue-resistant elastocaloric effect in compression
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)
Št. zadetkov: 7
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