Nā Mākēneki ʻOlokaʻa Hollow - Ma ke Kumukūʻai Haʻahaʻa | Fullzen

Hiki ke ʻokoʻa loa ke kumukūʻai o kahi magnet cylinder ma muli o kekahi mau kumu:

1. Mea a me ka Papa
2. Nui a me nā Ana
3. Ka uhi ʻana
4. Ka nui
5. Mea Hoʻolako a me ka Lama
6. Hoʻopilikino

E ʻoluʻolu e hoʻomaopopo he hiki ke loli nā kumukūʻai i ka hala ʻana o ka manawa ma muli o nā mea e like me nā loli o ka mākeke, nā loli o ka lako a me ke koi, a me nā holomua i nā kaʻina hana. No ka loaʻa ʻana o kahi kumukūʻai pololei a hou no ka magnet cylinder kikoʻī āu e makemake ai, paipai wau e nānā me nā mea hoʻolako magnet, nā mea hana, a i ʻole nā ​​​​mea kūʻai aku pūnaewele.

ʻO ke kahe magnetic (
$\Phi$

ʻO Φ) ma o kahi ʻili e hāʻawi ʻia e ke ʻano:

$\Phi =�\cdot �\cdot cos(�)$

Φ=B⋅A⋅cos(θ)

kahi:

• 
  $�$

  ʻO B ka ikaika o ke kahua magnetic (ma teslas, T).

• 
  $�$

  ʻO A ka ʻāpana o ka ʻili e kū pono ana i ke kahua makeneka (ma nā mika kuea, m²).

• 
  $�$

  ʻO θ ka huina ma waena o nā laina mākia a me ka vector maʻamau i ka ʻili.

No ka mea magnet cylindrical, ʻoi aku ka paʻakikī o ke kūlana no ka mea ʻaʻole mau ke kahua magnetic ma luna o ka ʻili holoʻokoʻa ma muli o nā ʻano like ʻole o ka magnetization i loko o ka cylinder. Ma ia mau hihia, pono ʻoe e noʻonoʻo i ka hoʻohui ʻana o ke kahua magnetic ma luna o ka ʻili e helu pono i ka flux magnetic.

Inā like ke kahua magnetic a kūlike me ke axis o ka cylinder, hiki paha iā ʻoe ke hoʻomaʻalahi i ke kūlana a hoʻohana i ke ʻano i ʻōlelo ʻia ma luna. Eia nō naʻe, inā ʻoe e hana nei me kahi hoʻolaha kahua magnetic paʻakikī, pono paha ʻoe e hana me nā manaʻo holomua, e like me ka hoʻohui ʻana i ka vector kahua magnetic ma luna o ka ʻili.

SʻAʻole hoʻohana pinepine ʻia ʻo Ilver ma ke ʻano he mea e hana ai i nā magnet paʻa, me nā magnet cylinder. ʻO nā magnet paʻa, e like me nā magnet neodymium (NdFeB), i hana pinepine ʻia mai nā alloys i loaʻa nā mea e like me ka neodymium, ka hao, a me ka boron. Loaʻa i kēia mau mea nā ʻano crystalline kikoʻī e hāʻawi i ko lākou mau waiwai magnetic ikaika.