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  • Koj paub Dab tsi yog Halbach Array?

    Ua ntej, qhia rau peb paub qhov twg halbach array feem ntau siv:

    Cov ntaub ntawv kev ruaj ntseg

    Kev thauj mus los

    Tsav tsim

    Permanent magnetic bearings

    Cov khoom siv tub yees sib nqus

    Cov khoom siv sib nqus resonance.

     

    Halbach array muaj npe rau nws tus neeg tsim khoomKlaus Halbach , Berkley Labs physicist hauv engineering Division. Lub array yog Ameslikas tsim los pab tsom cov kab teeb hauv particle accelerators.

    Xyoo 1973, "ib-sab flux" cov qauv tau piav qhia los ntawm John C. Mallinson thaum nws ua ib qho kev sim ntawm cov hlau nplaum ruaj khov thiab pom qhov txawv txav ntawm cov hlau nplaum ruaj khov, nws hu ua "Magnetic Curiosity".

    Xyoo 1979, Asmeskas Dr. Klaus Halbach tau tshawb pom qhov tshwj xeeb cov hlau nplaum ruaj khov no thaum lub sij hawm sim electron acceleration thiab maj mam txhim kho nws, thiab thaum kawg tsim cov hlau nplaum "Halbach".

    Lub hauv paus ntsiab lus tom qab nws txoj haujlwm tshiab yog superposition. Lub superposition theorem hais tias cov khoom ntawm quab yuam ntawm ib qho chaw nyob rau hauv qhov chaw pab los ntawm ntau yam khoom ywj pheej yuav ntxiv algebraically. Kev siv lub theorem rau cov hlau nplaum ruaj khov yog ua tau tsuas yog thaum siv cov ntaub ntawv nrog kev sib koom ua ke ze li ntawm qhov seem induction. Thaum cov hlau nplaum ferrite muaj cov yam ntxwv zoo li no, nws tsis yog qhov ua tau zoo los siv cov khoom siv no vim tias cov hlau nplaum Alnico yooj yim muab cov teb nruj dua ntawm tus nqi qis.

    Lub advent ntawm siab residual induction "tsis tshua muaj lub ntiaj teb" hlau nplaum SmCo thiab NdFeB (los yog ruaj khov neodymium hlau nplaum) ua rau kev siv superposition tswv yim thiab pheej yig. Lub ntiaj teb tsis tshua muaj cov hlau nplaum ruaj khov tso cai tsim cov hlau nplaum sib nqus hauv cov ntim me me yam tsis muaj lub zog xav tau ntawm electromagnets. Qhov tsis zoo rau electromagnets yog qhov chaw nyob los ntawm hluav taws xob windings, thiab tsim nyog rau dissipate lub tshav kub uas tsim los ntawm cov kauj windings.

     

     


    Post lub sij hawm: Aug-17-2021