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Št. zadetkov: 6
Submikronsko zaznavanje temperaturnih polj pri nestacionarnem prenosu toplote
Ivan Sedmak, Iztok Golobič
Doktorska disertacija
Oznake: disertacije;temperaturno odvisna fluorescenca;temperaturno polje;nestacionarni prenos toplote;fluorescenčna termometrija;mehurčkasto vrenje;submikrometrska krajevna ločljivost;
Za boljše razumevanje procesov prenosa toplote in snovi na submikrometrskem nivoju je potrebno razviti napredne neinvazivne merilne tehnike. V doktorskem delu predstavljamo razvoj visokoločljivostne merilne tehnike na osnovi fluorescence dopiranega transparentnega stekla in steklokeramike za brezdot ...
Leto: 2019 Vir: Fakulteta za strojništvo (UL FS)
Heat flux analysis and assessment of drying kinetics during lyophilization of fruits in a pilot-scale freeze dryer
Ivan Sedmak, Matic Može, Gorazd Kambič, Iztok Golobič
Izvirni znanstveni članek
Oznake: kinetika sušenja;sušenje sadja;meritve gostote toplotnega toka;liofilizacija;konec sublimacije;temperaturna porazdelitev;drying kinetics;fruit drying;heat flux measurements;lyophilization;sublimation endpoint;temperature distribution;
Vacuum freeze-drying as a process for achieving high product quality has attracted increasing attention in the last decade. Particularly in the pharmaceutical field and food processing industries, lyophilization can produce high-quality products compared to samples dried by conventional methods. Des ...
Leto: 2023 Vir: Fakulteta za strojništvo (UL FS)
Spatially resolved temperature distribution in a rare-earth-doped transparent glass-ceramic
Ivan Sedmak, Rok Podlipec, Iztok Urbančič, Janez Štrancar, Michel Mortier, Iztok Golobič
Izvirni znanstveni članek
Oznake: temperaturno odvisna fluorescenca;dopirana steklokeramika;merjenje temperature;temperature-dependent fluorescence;co-doped glass-ceramic;axial temperature distribution;micro-scale temperature measurements;
Knowing the temperature distribution within the conducting walls of various multilayer-type materials is crucial for a better understanding of heat-transfer processes. This applies to many engineering fields, good examples being photovoltaics and microelectronics. In this work we present a novel flu ...
Leto: 2022 Vir: Fakulteta za strojništvo (UL FS)
Revisiting the corresponding-states-based correlation for pool boiling critical heat flux
Matic Može, Matevž Zupančič, Ivan Sedmak, Klemen Ferjančič, Henrik Gjerkeš, Iztok Golobič
Izvirni znanstveni članek
Oznake: vrenje v bazenu;kritična gostota toplotnega toka;princip korespondenčnih stanj;napoved CHF;korelacija;Pitzerjev acentrični faktor;pool boiling;critical heat flux;corresponding states principle;CHF prediction;correlation;Pitzer acentric factor;
A corresponding-states correlation for predicting the critical heat flux (CHF) in pool boiling conditions is proposed, and only requires knowledge of physical property constants of the fluid at any fluid temperature: molar mass, critical temperature, critical pressure, and the Pitzer acentric factor ...
Leto: 2022 Vir: Fakulteta za strojništvo (UL FS)
Distortion of the substructure of a 20-ft shipping container exposed to zinc hot-dip galvanizing
Ivana Ivanović, Aleksandar Sedmak, Rebeka Rudolf, Leo Gusel, Biljana Grujić
Izvirni znanstveni članek
Oznake: shipping container;structural steel;zinc hot-dip galvanizing;transient heat transfer;distortion;
Glavni namen te študije je bila izdelava modela za numerično simulacijo vročega potopnega cinkanja 20 ft ISO transportnega kontejnerja. Zato smo analizirali osnovni termomehanski problem jeklene konstrukcije zaradi vpliva toplote med vročim potopnim cinkanjem. Numerični izračuni so bili izvršeni za ...
Leto: 2013 Vir: Fakulteta za strojništvo (UM FS)
Numerical analysis of temperature field during hardfacing process and comparison with experimental results
Vukić Lazić, Ivana Ivanović, Aleksandar Sedmak, Rebeka Rudolf, Mirjana Lazić, Zoran Radaković
Izvirni znanstveni članek
Oznake: varjenje;simulacije;numerična analiza;termična analiza;toplotna prevodnost;welding simulations;numerical analysis;thermal analysis;simulations;transient heat conduction;moving heat source;
The three-dimensional transient nonlinear thermal analysis of the hard facing process is performed by using the finite element method. The simulations were executed on the open source Salome platform using the open source finite element solver Code Aster. The Gaussian double ellipsoid was selected i ...
Leto: 2013 Vir: Fakulteta za strojništvo (UM FS)
Št. zadetkov: 6
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