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Title:PRIMERJAVA IZGUB MAGNETNIH MATERIALOV V ROTACIJSKEM IN PULZIRAJOČEM MAGNETNEM POLJU
Authors:ID Kotnik, Aljaž (Author)
ID Beković, Miloš (Mentor) More about this mentor... New window
ID Hamler, Anton (Comentor)
Files:.pdf MAG_Kotnik_Aljaz_2016.pdf (3,49 MB)
MD5: B2E6410F6D5C2497875657C4AF2B565E
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:Magistrsko delo obravnava primerjavo izgub, ki nastanejo v magnetnih tekočinah, kadar so te izpostavljene zunanjemu spreminjajočemu magnetnemu polju. Primerjava je obsegala dve vrsti spreminjanja polja, in sicer rotacijsko in pulzirajoče. Meritve so bile opravljene po kalorimetrični metodi, ki temelji na meritvi temperaturnega odziva merjenca, iz katerega se nato ugotovi specifična stopnja absorpcije, iz te pa nato določimo izgube. Delo zajema teoretično ozadje magnetizma in magnetnih materialov, kot tudi magnetnih tekočin. Predstavljene so tudi metode za pridobivanje magnetnih tekočin, karakterizacijo izgub, opisan je merilni sistem in postopek izvajanja meritev. Sklepni del naloge prikazuje rezultate meritev ter ugotovitve razlike izgub med obema vrstama spreminjanja polja.
Keywords:Magnetne tekočine, kalorimetrična metoda, SAR, rotacijsko magnetno polje, pulzirajoče magnetno polje.
Place of publishing:[Maribor
Publisher:A. Kotnik
Year of publishing:2016
PID:20.500.12556/DKUM-64714 New window
UDC:621.3.017.3(043.2)
COBISS.SI-ID:20342294 New window
NUK URN:URN:SI:UM:DK:PLT1YR0S
Publication date in DKUM:07.12.2016
Views:2009
Downloads:143
Metadata:XML RDF-CHPDL DC-XML DC-RDF
Categories:KTFMB - FERI
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Secondary language

Language:English
Title:COMPARISON OF LOSSES MAGNETIC MATERIALS IN ROTATING AND PULSATING MAGNETIC FIELD
Abstract:The master thesis deals with the comparison of losses, which occur in magnetic fluids, when they are exposed to an external magnetic field. The comparisons have been done for two forms of magnetic fields, namely rotating and pulsating magnetic field. The measurements were according to the calorimetric method, which is based on measuring the temperature response of the sample, from which the specific absorption rate is determined, resulting the losses. The thesis describes the theoretical background of magnetism and magnetic materials as well as magnetic fluids. Displays methods of magnetic fluids manufacturing, characterization of losses, it describes the measuring system and measuring process. It ends with the display of measurements results and comparison of losses.
Keywords:Magnetic fluid, calorimetric method, SAR, rotating magnetic field, pulsating magnetic field.


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