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Matematični model ogrevanja slabov v potisni peči = A mathematical model of slab reheating in a pusher-type furnaceJaklič, Anton, 1970- ...V prispevku je predstavljen matematični model ogrevanja slabov v potisni peči v Vroči valjarni SŽ Acroni Jesenice, d.o.o. Matematični model je razvit tako, da omogoča vključitev v informacijski ... sistem vroče valjarne in simulacijo v realnem času. Izmenjava toplote med dimnim plinom, steno peči in slabom je obravnavana z modelom treh temperatur. Sevanje je dominantni način prenosa toplote pri ogrevanju v potisni peči. Obravnava toplotnega sevanja pri ogrevanju slabov zahteva natančno upoštevanje kompleksne greometrije, ki jo predstavljajo stene peči, skupaj z založenimi slabi. Izmenjava toplote med ploskvami v peči je zato v modelu obravnavana z uporabo matrike geometrijskih faktorjev vidnosti. Ta matrika je predhodno določena s splošnim modelom za izračun matrike geometrijskih faktorjev vidnosti z uporabo metode Monte Carlo za enoredno in dvoredno zalaganje slabov. V predgrevni in ogrevni coni peči se slabi ogrevajo dvostransko, v izenačevalni coni slabi ležijo na obzidanem podu peči. Temperatura poda peči je odvisna od temperature trenutno založenih slabov v tem delu peči. V modelu je temperatura poda za posamezni dolžinski segment določena z bilanco toplotnih tokov na podu peči. Prevajanje v slabih je obravnavano z metodo končnih diferenc v treh prostorskih dimenzijah. Za vrednotenje modela smo izvedli meritev ogrevanja preskusnega slaba na potisni peči. Meritev ogrevanja je bila izvedena s petimi vlečnimi termoelementi. Primerjava med simulacijo in rezultati meritev je pokazala dobro ujemanje v celotnem območju ogrevanja slaba.Type of material - conference contributionPublish date - 2004Language - slovenianCOBISS.SI-ID - 386218
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Jaklič, Anton, 1970- | 15528 |
Vode, Franci, 1978- | 24284 |
Glogovac, Branislav | 06554 |
Šolar, Marjan | 01211 |
Strmole, Branko | ![]() |
Triplat, Jožef, 1956- | 03815 |
Source: Personal bibliographies
and: SICRIS
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