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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F05%3A03109337%21RIV06-GA0-21230___
rdf:type
n9:Vysledek skos:Concept
dcterms:description
Levitation heating of electrically conductive nonmagnetic bodies (as the first step of their levitation melting) represents a relatively complicated process characterized by mutual interaction of electromagnetic and temperature fields and possibly also by eventual movement of the heated body. Its mathematical model consists of a system of partial and ordinary (generally nonlinear) differential equations whose coefficients are temperature-dependent functions. The velocity and overall efficiency of heating depends on a lot of parameters such as geometry of the inductors, shape of the heated body, amplitudes and frequency of the field currents etc. The paper deals with detailed analysis of a two-inductor axisymmetric arrangement with the aim to optimize its configuration and accelerate the heating as much as possible. The problem is solved in the quasicoupled formulation. The theoretical results are illustrated on an example. Levitační ohřev elektricky vodivých nemagnetických těles (jako 1. krok k levitačnímu tavení) reprezentuje relativně komplikovaný proces charakterizovaný vzájemnou interakcí elektromagnetického a teplotního pole a také případným pohybem ohřívaného tělesa. Matematický model se skládá ze systému parciálních a obyčejných diferenciálních rovnic, jehož koeficienty jsou funkce závislé na teplotě. Rychlost a celková efektivita ohřevu závisí na mnoha parametrech, jako je geometrie cívek, tvar ohřívaného tělesa, amplituda a frekvence proudů atd. Příspěvek se věnuje detailním analýzám dvoucívkového axisymetrického uspořádání s cílem optimalizovat tuto konfiguraci a urychlit ohřev tak, jak je to možné. Úloha je řešena v kvazisdružené formulaci. Teoretické výsledky jsou ilustrovány na příkladě. Levitation heating of electrically conductive nonmagnetic bodies (as the first step of their levitation melting) represents a relatively complicated process characterized by mutual interaction of electromagnetic and temperature fields and possibly also by eventual movement of the heated body. Its mathematical model consists of a system of partial and ordinary (generally nonlinear) differential equations whose coefficients are temperature-dependent functions. The velocity and overall efficiency of heating depends on a lot of parameters such as geometry of the inductors, shape of the heated body, amplitudes and frequency of the field currents etc. The paper deals with detailed analysis of a two-inductor axisymmetric arrangement with the aim to optimize its configuration and accelerate the heating as much as possible. The problem is solved in the quasicoupled formulation. The theoretical results are illustrated on an example.
dcterms:title
Levitační ohřev jako multiparametrická sdružená úloha Levitation Heating as a Multiparametric Coupled Problem Levitation Heating as a Multiparametric Coupled Problem
skos:prefLabel
Levitační ohřev jako multiparametrická sdružená úloha Levitation Heating as a Multiparametric Coupled Problem Levitation Heating as a Multiparametric Coupled Problem
skos:notation
RIV/68407700:21230/05:03109337!RIV06-GA0-21230___
n4:aktivita
n18:Z n18:P
n4:aktivity
P(GA102/04/0095), Z(MSM6840770017)
n4:dodaniDat
n20:2006
n4:domaciTvurceVysledku
n5:1783521 n5:6948650
n4:druhVysledku
n8:A
n4:duvernostUdaju
n16:S
n4:entitaPredkladatele
n10:predkladatel
n4:idSjednocenehoVysledku
528056
n4:idVysledku
RIV/68407700:21230/05:03109337
n4:jazykVysledku
n11:eng
n4:klicovaSlova
Levitation heating; coupled problem; electromagnetic field; multiparametric coupled problem; numerical analysis; temperature field
n4:klicoveSlovo
n7:Levitation%20heating n7:coupled%20problem n7:numerical%20analysis n7:temperature%20field n7:electromagnetic%20field n7:multiparametric%20coupled%20problem
n4:kodPristupu
n14:L
n4:kontrolniKodProRIV
[F2AEF7C3BBCC]
n4:mistoVydani
Vigo
n4:nosic
neuvedeno
n4:obor
n17:JE
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
3
n4:projekt
n19:GA102%2F04%2F0095
n4:rokUplatneniVysledku
n20:2005
n4:tvurceVysledku
Nečesaný, Jakub Mach, M. Doležel, Ivo
n4:zamer
n13:MSM6840770017
n12:isbn
84-609-5231-2
n15:organizacniJednotka
21230