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  • Ngaba uyazi ukuba yintoni iHalbach Array?

    Okokuqala, masazise apho uluhlu lwe-halbach luhlala lusetyenziswa khona:

    Ukhuseleko lwedatha

    Ezothutho

    Uyilo lweemoto

    Iibheringi zemagnethi ezisisigxina

    Isixhobo sokukhenkcisa samagnetic

    Izixhobo zemagnetic resonance.

     

    Uluhlu lweHalbach lubizwa ngokuba ngumqambi waloKlaus Halbach , Ingcali yefiziksi yaseBerkley Labs kwicandelo lobunjineli. Uluhlu lwaluyilelwe ekuqaleni ukunceda ukugxila kwimiqadi kwii-particle accelerators.

    Ngowe-1973, "icala elinye le-flux" izakhiwo zaqala zachazwa nguJohn C. Mallinson ngelixa esenza uvavanyo lwendibano yemagnethi esisigxina kwaye wafumana le sakhiwo esingaqhelekanga samagnetic, wasibiza ngokuthi "I-Magnetic Curiosity".

    Ngo-1979, uGqirha waseMelika uKlaus Halbach wafumanisa esi sakhiwo sikhethekileyo semagnethi esisigxina ngexesha lovavanyo lokukhawulezisa i-electron kwaye lwaphucula ngokuthe ngcembe, kwaye ekugqibeleni lwenza into ebizwa ngokuba yi-magnetic "Halbach".

    Umgaqo-siseko osemva komsebenzi wakhe omtsha yi-superposition. Ithiyori ye-superposition ithi iinxalenye zamandla kwindawo ethile esithubeni ezinikelwe zizinto ezininzi ezizimeleyo ziya kongeza ngokwealjibra. Ukusebenzisa i-theorem kwiimagnethi ezisisigxina kunokwenzeka kuphela xa usebenzisa izinto ezinonyanzeliso oluphantse lulingane nokufakwa okushiyekileyo. Ngelixa imagnethi yeferrite inolu phawu, bekungenzeki ukusebenzisa izinto ngale ndlela kuba iimagnethi ezilula zeAlnico zibonelela ngamasimi aqatha ngexabiso eliphantsi.

    Ukufika kwentsalela ephezulu “yomhlaba onqabileyo” iimagnethi ze-SmCo kunye ne-NdFeB (okanye imagnethi ye-neodymium esisigxina) yenza ukusetyenziswa kwe-superposition ebonakalayo kwaye efikelelekayo. Iimagnethi zomhlaba ezinqabileyo ezisisigxina zivumela ukuphuhlisa amandla kazibuthe kwimithamo emincinci ngaphandle kweemfuno zamandla zombane wombane. Ukungalungi kwee-electromagnets yindawo ehlala i-windings yombane, kwaye iyimfuneko yokuchitha ubushushu obuveliswa yi-coil windings.

     

     


    Ixesha lokuposa: Aug-17-2021