.. , .47-73

, 10.45 12.20

http://www.inp.nsk.su/students/plasma/sk/tpe.ru.shtml

10-5 103

0,610-4 1,2 () 2 14 30 1000

=3000-8000, B=2

=3000-8000, B=2 HH - -

HH =3000-8000, B=2 - -

HH =3000-8000, B=2 - -

NdFeB B=1,4 , BH~ 300 /3, t=120, t=340

SmCo B=1 , BH~ 300 /3 , t=200, t=800,

AlNiCo (355) B=1 , BH~ 36 /3 , t=250

HHH

T=18.3 B=13.5 (1.8 )

0.5% 300 T=700 CNb3SnT=9.2 B=7.5 Nb Ti T=40 B=2 (20 )MgB2 ( 2001 )

, . .

YBCO (Yt-Ba-Cu-O) 17 29 Masaru Tomita and Masato MurakamiHigh-temperature superconductor bulk magnets that can trap magnetic fields of over 17 tesla at 29 KNature 421, 517-520(30 January 2003)

(1 1,4 / )

( ~sT4) N2LN2 77 KLHe 4,2 K 20 KLHe 4,2 K

(1 1,4 / )

1,5 , 10 20 K4,2 K

15

s=30 /2 B=30

Fa=P S k (h/2a) S= a2 h/2a=1-100 k= 0.5-1.5-3 = 8cm =10 P =400/2S=200 cm2 F=80 T (!)

FrFaha

r < a/2 2-5%

z(0)=0.7 I/a

100 35 10 1,7

2800

(-16)1018-3, 300 , 10 - 1020-3, 10 , 100 I

2 D SAM, Mermaid POISSON, FEMLAB ..3D FEMLAB, TOSKA, ANSYS, MASTAK -

-3

TOKAMAK

(LCFS) (Scrapp-off layer)

, 1951 .

(HELical ADvanced Stellatator) W-7X, (LHD, )

-3: 5 , 200 2 12 2,5

: 6 , 1000 3 15 !!!!!!!

-3: 5 , 200 2 12 2,5

: 6 , 1000 3 15 !!!!!!!