contents - PowerPoint PPT Presentation

About This Presentation
Title:

contents

Description:

Title: Author: masuzawa mika Last modified by: masuzawa mika Created Date: 4/17/2006 11:35:25 PM Document presentation format – PowerPoint PPT presentation

Number of Views:51
Avg rating:3.0/5.0
Slides: 55
Provided by: masu45
Category:

less

Transcript and Presenter's Notes

Title: contents


1
????????????????????????
  • 5/31/2006
  • ??????? ????

2
contents
  • ????
  • ??????
  • ????????(KEKB)
  • ?????????????
  • ????????????
  • ??????
  • ????????????
  • ???????
  • ???
  • ????
  • ??????
  • ?????/??
  • ????

3
????
  • ??????
  • ?????(bending magnet?dipole magnet)
  • ????????
  • ?????(Quadrupole magnet)
  • ??????????
  • ?????(Sextupole magnet)
  • ?????????
  • ?????(Steering magnet?correction magnet )
  • ????
  • 1.?2.?????????combined function????????

4
????????KEKB ???
  • ??(e)???(e)??????
  • ?????????????????????????2???(?????HER/8GeV??????
    ?LER/3.5GeV)?????
  • ??????????10.58GeV
  • ???3km?????(??11m)?2????????????
  • 2??????2???????????????????????????????????????

5
????????KEKB ???
???????2????? ?????? ????? ??????? ??110?2 ??
450?2 ??100?2 ??????V/H
6
????????????
7
???????????????????????????????????????
8
  • ???????????????????
  • ??(?????????)
  • ???????(????????)
  • ????

9
?????? ????????????????????????? ?????????????????
??????? ???????????????????????? 19??????????? ?
????????? 1820???????(Oersted)??? ???????????????
???
10
N
?????????????????? ?????????????? ????N/S??????
I
S
????2???? ??????????? ????????? ???????????? ????
?????? ????(gap)?????????? ???????????????
S
gap
N
11
???????????
???????????(???)?
???????????? ??????????(????????)
???1????????????????????
???????????????????????????
??????????????????????
??????????
??
12
???????
  • ????
  • ????(???)
  • Maxwell??????????????
  • ???????

13
???????
??????????Maxwell????????????? ????(???????) ????(
????????) ????(?????????????????) ????(??????????
??????)
??????????????????????????
14
B?H???
B-H??
?? ????? ????
??????
??????
???????
???????
15
????????????
??????????????????????? ??????????????????????? ??
????????? ?????????????????????
  • ????(???????????????Fe, Ni, Co??)
  • ????(???)
  • ???(?????????????????????????????

16
???(???????)??????
???????? ????????????????
17
??????????????
????????????? ????????????? ????????? ?????????I??
??? ???N???(JNI)?
B??????????????????(NI)?????
18
???1????????????? ??????????
????????r?1???????????????L??????i????
N?????????? ???????? ??? ???? ??????????????
19
  • ??????????????????
  • ??????A/m2??10A/m2??
  • ????????????????
  • ???????(????????)????????
  • ????????????????????????
  • ?????????????N?????????
  • ??????????????????????
  • ??????????????????
  • NI?N?I?????????????????????

20
????
????????????????????
???????(V??????? ??????)? Maxwell??????????? ??OK
???????
???????????????????????????V ?????????????
21
????????????????
V?r0?????Taylor????
2??????????n?????????
??????(r0)??????
?????????
???????????????????????????? ??????????Normal???
N??????????(n1)?????(n2)?????(n3)???????
22
????
?????????????????????? ??(?)??????????????????????
? (Vn(x,y)const)?????????
?1?????(Dipole magnet)
?2?????(Quadrupole magnet)
23
??(???????)??
24
??????????????????????????????????
  • ?????
  • ????
  • ????(??????????????)
  • ????(??????????)
  • ????(??????????????)
  • ???????????????

25
(No Transcript)
26
??????????
???????????? ?????????????????? ??????? ????????
???????? ???????
27
????(????)????? ???(4832???)???
28
???????????? q (l/sec) ??? W (kWatt) ????????? Dt
(?)
????n (m/sec) ?? ????????????????? 2-3m/s
??????? AF (mm) ???? Fs ???? dh (mm)
????
???????
C??
29
?????????? ??????????????????????????????????????
??(Re)??????????Regt2300????
VT(m2/s)T ???????? 110-6_at_20? v(m/s)?? d(mm)??
???????? q(liter/s)?? (?)V2m/s,
d6mm??Regt2300 ???????????????????????????
30
???????????????????????????????? ?????????????????
?????????????????????????? ???(?????)????? DPw
(kg/cm2)?????????
LC (m) ?????????????
?????????dh?m????????????
???????????? q (l/sec)??????? ???dh???????
31
????????????????
????????????????????????? ????????????????????????
? ????????????????
? ??????????????? ? ??????
?????????(?????)??????????
????????????????(????????? ????pH?)??????
32
??(??)??????????(flux)????????????
?????1/8???(poisson???)
33
??????????
  • ???????????????????????????0.02?????(??)????????
    ???
  • ???????????????????????????????
  • ?????
  • ?????
  • ???????e.t.c.
  • ????????????????????

34
???????
  • ?????
  • ????????????????????????(????????????????)??KEKB?
    ???????
  • ????????????
  • ???????(???????????)?????KEKB?????????

35
?????????
  • ????????
  • ???????
  • ??????
  • ???(Eddy current)??????(??????)
  • ???????????????????????????????
  • ????????????(???????)
  • ?????????
  • ???

36
??
  • ????
  • ????????(??/??/?????)?????
  • ??????????
  • ??????flux????????
  • ??????
  • ????????????????????????????????
  • ???????????????????
  • ???
  • ?????????
  • ???????????
  • ???????????????????

37
???????????
  • Poisson ???????
  • Opera2d ????????AC?TR
  • Opera3d(TOSCA) ???????
  • ELEKTRA ????AC?TR
  • ANSYS ????????????AC?TR
  • ?

38
???(?????Poisson )
????????????? ???????????1/8 (???)
(?)????????????????
????????????? ???????????? xyr2/2
39
????
g
????? ???? ?????????
??????? ??????x?????????????By Bygx g?????
40
???
  • ???????????????????????
  • flux?????????????????????
  • ???quality, ????????????????????????????????

41
???? (??????)
  • ???????
  • ??????????????????????????
  • ??????????????
  • ???????
  • ????????(???????)
  • ???????????????????(?????????????100?????)????????
    ?
  • ????????????????????????????????????

42
???? (??????)
  • ??????????????????(?10-4)??????
  • ????(??)??????????(???????????????????????)???????
    ????
  • ??????
  • ?????
  • ?????
  • ??????(????????????????)

43
?????
????????????? ?????????????? ?????????????? (Hall
effect)? ???????????????? ????????????????? ?????
???(InAs?Ge?GaAs)? ??????????????? ?????(???????
???) ???????????
44
??????????????????????
45
?????(Nuclear Magnetic Resonance)
  • ??????????????
  • ???????
  • ?????????????????????????Lamor???????????
  • ???????????????????

46
??????(g5.58554)?? ???1T???
n0 42.57629MHz
NMR????????????lt10-3?? ????????????????????? ????
????????field quality??? ????????? ??????????
47
???????????????? ???????????
??????????? ??????????????????????
48
2??????????????V???? ???????? ?? ?????
49
???????? Mapping coil/ Twin coil ??????????? ?????
????? ??????????? ??????????? ????????????
50
?????????????????
51
?????????(radial coil??)
?????????????? ?????????. ???????????????? ???????
?????
??????????????? ???????(???)
????? ?????? ??? ?????? ??????
52
???????????????????????????????
????????????????????? ??????????????????????? ????
???????????????????? ?????? ??????????????????????
?? ???????? ?????????????????????????? ???????????
53
????? (????)
??
????????????? ??????
KEKB??
54
???
  • ???????(????????)
  • ??????????????
  • (????????????)
  • ???(????????)
  • ??(??????????????)
  • ??
  • ????(?????I??????????)
  • ???????
  • ??
  • ??,??quality???
  • ????(????)
  • ??,??quality?????
  • ?????????
  • ?????
Write a Comment
User Comments (0)
About PowerShow.com