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Št. zadetkov: 8
Nano-elektrokaloriki: nanomateriali za aplikacijo v hladilnih in grelnih napravah nove generacije
Brigita Rožič
Video in druga učna gradiva
Oznake: technology;nanotechnology
Leto: 2011 Vir: videolectures.net
Improved thermal stability of dielectric properties and energy storage properties of lead-free relaxor Ba[sub]((1-x))La[sub]xTi[sub](0.89)Sn[sub](0.11)O[sub]3 ceramics
Said Khardazi, Nikola Novak, Zdravko Kutnjak, Brigita Rožič, Igor A. Luk'yanchuk
Izvirni znanstveni članek
Oznake: solid-state;perovskite structure;ferroelectrics;
Environmentally friendly perovskite ceramics Ba(1-x)LaxTi0.89Sn0.11O3 with x = 0, 0.015, 0.025, and 0.035 (BLTSnx) were synthesized by solid-state reaction method. The enhanced energy storage properties were studied across the ferroelectric relaxor conversion. The pure perovskite structure of all pr ...
Leto: 2025 Vir: Institut Jožef Stefan (IJS)
Numerical modelling and experimental validation of a regenerative electrocaloric cooler
Uroš Plaznik, Marko Vrabelj, Zdravko Kutnjak, Barbara Malič, Brigita Rožič, Alojz Poredoš, Andrej Kitanovski
Izvirni znanstveni članek
Oznake: cooling;refrigeration;energy efficiency;active caloric regeneration;
Numerical modelling and experimental validation of a regenerative electrocaloric cooler
Leto: 2019 Vir: Fakulteta za strojništvo (UL FS)
Ferroelectric KNbO[sub]3 nanoplatelets for thermally driven pyrocatalytic hydrogen evolution and dye degradation
Salma Touili, Bouchra Asbani, Youness Hadouch, Nejc Suban, Hana Uršič, Zdravko Kutnjak, Brigita Rožič, Mimoun El Marssi
Izvirni znanstveni članek
Oznake: pirokataliza;proizvodnja čiste energije;pyrocatalysis;nanoplatelets;clean energy production;dye degradation;
Day and night shift-induced thermal cycling offers a promising route toward free energy for green hydrogen production and dye degradation. Pyroelectric materials make this possible by converting temperature fluctuations into electrical charges that drive water splitting catalytic reactions and produ ...
Leto: 2026 Vir: Institut Jožef Stefan (IJS)
Bulk relaxor ferroelectric ceramics as a working body for an electrocaloric cooling device
Uroš Plaznik, Andrej Kitanovski, Brigita Rožič, Barbara Malič, Hana Uršič, Silvo Drnovšek, Jena Cilenšek, Marko Vrabelj, Alojz Poredoš, Zdravko Kutnjak
Izvirni znanstveni članek
Oznake: aktivni elektrokalorični regeneratorji;elektrokalorična hladilne naprave;masivna relaksorska feroelektrična keramika;electrocaloric cooling devices;bulk relaxor ferroelectric ceramics;active electrocaloric regenerators;
The electrocaloric effect (ECE), i.e., the conversion of the electric into the thermal energy has recently become of great importance for development of a new generation of cooling technologies. Here, we explore utilization of [Pb(Mg1/3Nb2/3)O3]0.9[PbTiO3]0.1 (PMN-10PT) relaxor ceramics as active el ...
Leto: 2015 Vir: Fakulteta za strojništvo (UL FS)
Caloric effects in liquid crystal-based soft materials
Dejvid Črešnar, Nikita Derets, Maja Trček, Gregor Skačej, Andraž Rešetič, Marta Lavrič, Valentina Domenici, Boštjan Zalar, Samo Kralj, Zdravko Kutnjak, Brigita Rožič
Izvirni znanstveni članek
Oznake: elektrokalorik;elastokalorik;tekočekristalni elastomeri;liquid crystal;lyquid crystal elastomers;electrocaloric;elastocaloric;
With the increased environmental awareness, the search for environmentally friendlier heat-management techniques has been the topic of many scientific studies. The caloric materials with large caloric effects, such as the electrocaloric (EC) and elastocaloric (eC) effects, have increased interest du ...
Leto: 2023 Vir: Fakulteta za naravoslovje in matematiko (UM FNM)
Current advances in magnetoelectric composites with various interphase connectivity types
Youness Hadouch, Daoud Mezzane, M'barek Amjoud, Hana Uršič, Abdelilah Lahmar, Brigita Rožič, Igor A. Luk'yanchuk, Zdravko Kutnjak, Mimoun El Marssi
Pregledni znanstveni članek
Oznake: multiferoiki;magnetoelektrični multiferoiki;strain-mediated coupling;multiferroic;magnetoelectric;laminated composites;particulate composite;core shell composites;
Magnetoelectric composites integrate the coupling between magnetic and piezoelectric materials to create new functionalities for potential technological applications. This coupling is typically achieved through the exchange of magnetic, electric, or elastic energy across the interfaces between the d ...
Leto: 2025 Vir: Institut Jožef Stefan (IJS)
Darbouxjeva integrabilnost polinomskih sistemov navadnih diferencialnih enačb
Rok Rožič, Valery Romanovski, Brigita Ferčec
Magistrsko delo
Oznake: ideali;prvi integral;vektorska polja;diferencialne enačbe;invariantne krivulje;invariantne površine;Darbouxjev prvi integral;Darbouxjev integrirajoči množitelj;magistrska dela;
V tej magistrski nalogi obravnavamo teorijo Darbouxjeve integrabilnosti. V prvem poglavju opišemo osnovne pojme komutativne algebre, ki so potrebni za našo študijo. V drugem poglavju obravnavamo teorijo Darbouxjeve integrabilnosti za dvodimenzionalne sisteme navadnih diferencialnih enačb. Opišemo ob ...
Leto: 2016 Vir: Fakulteta za naravoslovje in matematiko (UM FNM)
Št. zadetkov: 8
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