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https://open.uns.ac.rs/handle/123456789/2641
Nаziv: | Design and Optimization of Electromagnets for Biomedical Experiments with Static Magnetic and ELF Electromagnetic Fields | Аutоri: | Ristic-Djurovic J. Gajić, Slavica Ilić, Anđelija Romcevic N. Djordjevich D. De Luka S. Trbovich A. Spasić Jokić, Vesna Cirkovic S. |
Dаtum izdаvаnjа: | 1-јун-2018 | Čаsоpis: | IEEE Transactions on Industrial Electronics | Sažetak: | © 1982-2012 IEEE. With the expanding usage of various devices, which emit static and extremely low-frequency magnetic fields, increases the number of biomedical reports on their influence as well as demand for suitable experimental exposure systems. Experimental setups range from permanent magnets through Helmholtz coils to solenoids; however, almost all of them provide relatively weak magnetic fields of up to 10 mT. Widespread use of devices such as MR scanners imposes intentional as well as unintentional exposure to stronger fields. A typical solenoid produces stronger although less homogeneous field than the most commonly used experimental equipment composed of sets of coaxial coils. In order to provide scalable, relatively strong, low-varying field within experimental volume that is large enough for in vivo as well as in vitro experiments modified solenoids are considered. Variation of the field was reduced by modifying the shape and size of solenoid's cross section. Modified solenoids were modeled analytically, numerically, and as a prototype. Solenoid geometries were optimized for maximal field performance and minimal power consumption. The optimal modified solenoids scalable to desired sizes of the experimental volume and values of maximal magnetic induction intensities are offered. The suggested solenoid modification method can decrease field variation as much as 10.6 times. | URI: | https://open.uns.ac.rs/handle/123456789/2641 | ISSN: | 02780046 | DOI: | 10.1109/TIE.2017.2772158 |
Nаlаzi sе u kоlеkciјаmа: | Naučne i umetničke publikacije |
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