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Št. zadetkov: 6
Primerjalna analiza ogrevanja z izbranimi sistemi toplotnih črpalk
Matevž Stepišnik, Jože Voršič, Barbara Bradač Hojnik
Diplomsko delo
Oznake: energetika;ogrevanje hiš;toplotne črpalke;pasivne hiše;toplotne izgube;obnovljivi viri energije;sončna energija;sončne elektrarne;solarne elektrarne;stroškovna analiza;investicijski stroški;ekonomska analiza;
Diplomska naloga opisuje izračun toplotnih črpalk treh različnih sistemov izkoriščanja obnovljivih virov energije za ogrevanje pasivne hiše na podlagi izračunanih toplotnih izgub. Narejen je program, s katerim so izdelani izračuni za porabo eleketrične energije, toplotne moči, grelnega števila in ob ...
Leto: 2011 Vir: Fakulteta za elektrotehniko, računalništvo in informatiko (UM FERI)
Uporaba hidrodinamske kavitacije v pralnem stroju
Tadej Stepišnik Perdih, Brane Širok, Matevž Dular
Doktorska disertacija
Oznake: kavitacija;pralni stroji;tekstil;raztapljanje;pralni učinek;disertacije;
Pralni stroji so ena izmed svetovno najbolj razširjenih naprav, ob enem pa so tudi veliki porabniki energije in vode. V doktorskem delu raziskujemo možnosti izboljšanja delovanja pralnega stroja z uporabo kavitacije. Kavitacijo, ki je zaradi ekstremnih razmer, ki se pojavijo ob kolapsih kavitacijski ...
Leto: 2018 Vir: Fakulteta za strojništvo (UL FS)
Revision of the mechanisms behind oil-water (O/W) emulsion preparation by ultrasound and cavitation
Tadej Stepišnik Perdih, Mojca Zupanc, Matevž Dular
Izvirni znanstveni članek
Oznake: ultrasound;emulsion;emulsification;oil-water;cavitation mechanism;high-speed visualization;
Today emulsion preparation is receiving a lot of scientific attention, since emulsions are playing an essential role in many of the big industries, such as food, pharmaceutical or cosmetic industry. One of the most promising techniques for emulsion preparation is ultrasound emulsification. The purpo ...
Leto: 2019 Vir: Fakulteta za strojništvo (UL FS)
On the bubble-surfactant interaction
Tadej Stepišnik Perdih, Brane Širok, Matevž Dular
Izvirni znanstveni članek
Oznake: cavitation;surfactant;SDBS;high-speed camera;dissolution;ultrasound;bubbles;
Surfactants play an important role in numerous chemical applications. Their effects on dispersion systems, as emulsions and colloids, are vastly studied. Yet, the dissolution (kinetics) of surfactants themselves has not received much scientific attention, despite the high implications for industrial ...
Leto: 2017 Vir: Fakulteta za strojništvo (UL FS)
Influence of hydrodynamic cavitation on intensification of laundry aqueous detergent solution preparation
Tadej Stepišnik Perdih, Brane Širok, Matevž Dular
Izvirni znanstveni članek
Oznake: hydrodynamic cavitation;rotary cavitation generator;cavitational intensity;washing machines;aqueous detergent solution;
Washing machines are one of the most energy and water demanding domestic appliances. Over years, a significant effort of the scientific community has been invested into making laundry more "sustainable". Nevertheless, the preparation of detergent solution has been entirely overlooked step of launder ...
Leto: 2017 Vir: Fakulteta za strojništvo (UL FS)
Effects of cavitation on different microorganisms
Mojca Zupanc, Žiga Pandur, Tadej Stepišnik Perdih, David Stopar, Martin Petkovšek, Matevž Dular
Pregledni znanstveni članek
Oznake: cavitation;microorganisms;destruction;mechanisms;reviews;
A sudden decrease in pressure triggers the formation of vapour and gas bubbles inside a liquid medium (also called cavitation). This leads to many (key) engineering problems: material loss, noise, and vibration of hydraulic machinery. On the other hand, cavitation is a potentially useful phenomenon: ...
Leto: 2019 Vir: Fakulteta za strojništvo (UL FS)
Št. zadetkov: 6
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