overview of jet asymmetrical binacci, francesco maviglia · 2014. 7. 24. · asimov “overview of...
TRANSCRIPT
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Dm
ee
tin
g P
PP
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Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
1
/32
Ov
erv
iew
of
JE
T A
sy
mm
etr
ica
l
Dis
rup
tio
ns
Se
rge
i G
era
sim
ov, C
CF
E
Acknow
ledg
em
ents
to: -
Tim
Hender,
Leonid
Zakharo
v, J
am
es M
orr
is,
Vale
ria R
iccard
o,
Maxim
us T
sala
s,
Matt
eo
Baru
zzo,
Fabio
Vill
one,
Raffaele
Alb
anese,
Guglie
lmo
Ru
bin
acci, F
rancesco M
avig
lia7
.
Theory
and S
imula
tion o
f D
isru
ptions W
ork
shop
Princeto
n P
lasm
a P
hysic
s L
abora
tory
July
9-
11, 2014
-
TS
Dm
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tin
g P
PP
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ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
2
/32
Ou
tlin
e
�D
iag
no
sti
cs
�S
ign
al
pro
ce
ss
ing
�D
ata
ba
se
�S
ide
wa
ys
fo
rce
, im
pu
lse
an
d v
es
se
l d
isp
lac
em
en
t
�R
ota
tio
n
�O
uts
tan
din
g i
ss
ue
s
�S
um
ma
ry a
nd
dis
cu
ss
ion
Se
e a
lso
S. N
. G
era
sim
ov e
t a
l “P
lasm
a c
urr
en
t a
sym
me
trie
s d
uri
ng
dis
rup
tio
ns
in J
ET
” N
ucl. F
usio
n 5
4 (
20
14
) 0
73
00
9 –
da
ta till
#8
37
94
(2
7/0
7/2
01
2)
-
TS
Dm
ee
tin
g P
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ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
3
/32
Ou
tlin
e
�D
iag
no
sti
cs
�S
ign
al
pro
ce
ss
ing
�D
ata
ba
se
�S
ide
wa
ys
fo
rce
, im
pu
lse
an
d v
es
se
l d
isp
lac
em
en
t
�R
ota
tio
n
�O
uts
tan
din
g i
ss
ue
s
�S
um
ma
ry a
nd
dis
cu
ss
ion
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
4
/32
Sad
dle
loop
Pic
k up
coil
a)
b)
51
3 7
OC
TA
NT
Pic
k u
p c
oils
-In
tern
al dis
cre
tecoils
(ID
C)
Saddle
loops
JG12.247-44c
Ma
gn
eti
c D
iag
no
sti
c (
1)
Each v
essel octa
nt
was e
quip
ped
with p
ick u
p c
oil
s (
IDC
)and
sad
dle
lo
op
s
Pla
n v
iew
of
JE
T v
essel, s
how
ing t
he t
oro
idal
locations o
f p
ick u
p c
oil
sand s
ad
dle
lo
op
s
The inte
gra
ted s
ignals
are
record
ed r
egula
rly w
ith 1
6-b
it A
DC
at 5 k
Hz
from
3/1
1/2
005 o
nw
ard
s.
(The p
lasm
a c
urr
ent
quench d
ura
tions >
10m
s)
18
Co
ils
14
Sa
dd
les
-
TS
Dm
ee
tin
g P
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ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
5
/32
Ma
gn
eti
c D
iag
no
sti
c (
2)
Inte
rna
l D
iscre
te C
oils
Ve
sse
l
Exte
rna
l S
ad
dle
s
Eig
ht
octa
nts
were
equip
ped w
ith
“id
en
tical”
set of co
ils a
nd s
ad
dle
s –
from
photo
s,
it
can b
e s
een t
hat th
ey a
re N
OT
perf
ectly identical.
-
TS
Dm
ee
tin
g P
PP
L9
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Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
6
/32
Ma
gn
eti
c D
iag
no
sti
c →
Cu
rre
nt
Mo
me
nts
Fir
st
Pla
sm
a C
urr
en
t
Mo
me
nt
Ca
lcu
lati
on
s
Div
ert
or
sup
po
rt s
tru
ctu
re a
nd
div
ert
or
PF
co
il ca
se
s a
re n
ot
inclu
de
d in
ca
lcu
latio
ns (
~5
% o
f Ip
at
dis
rup
tio
n),
be
ca
use
th
ere
are
no
re
liab
le m
ea
su
rem
en
ts.
It d
oe
s n
ot
aff
ect
the
asym
me
try c
alc
ula
tio
n.
Pla
sm
a C
urr
en
t
Ca
lcu
lati
on
)(
14 1
18 1
0
RRL
RRU
i
Di
Di
i
ii
pI
II
nd
BI
+−
−=
∑∑
==
ϑµ
dl
BI∫
=r
0µ
)(
lnΨ
211
4 1
14 1
18 1
0
RRL
RRL
RRU
RRU
i
Di
Di
Di
iio
i
i
ii
iIZ
Iz
Iz
In
z
rRdz
BM
+−
−
+=
∑
∑∑
=
==
πµ
ϑ
10
9
87
6
54
3
2
1
13
12
11
14
1
3
2
11
1098
7
6
4
5
18
12
13
14
15
16
17
CPS14.352-2c
Pic
k u
p C
oils S
ad
dle
loo
ps
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
7
/32
Mag
neti
c D
iag
no
sti
c –
Dia
mag
neti
c P
olo
idal
Lo
op
s
#1 a
nd #
5 o
cta
nts
equip
ped w
ith i
n-
vessel
dia
mag
neti
c p
olo
idal lo
op
s
Pla
n v
iew
of
JE
T v
essel, s
how
ing t
he t
oro
idal
locations o
f in
-vessel
dia
mag
neti
c p
olo
idal
loo
ps
CPS14.352-4c
In-
vessel
dia
gm
agnetic
polo
idal lo
op
CPS14.352-3c
In-
vessel
dia
magnetic
polo
idal lo
op
Saddle
loops
Pic
k u
p c
oils
-
Inte
rnal dis
cre
te
coils
(ID
C)
Octa
nt
3 7
15
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
8
/32
Saddle
loop
Pic
k u
pcoil
JG00.327-4c
Ra
dia
l V
es
se
l D
isp
lac
em
en
t D
iag
no
sti
c
Tra
nsd
ucers
measure
radia
l m
ovem
ent
at
vert
ical port
of
the e
ach v
essel octa
nt
with r
espect
to m
echanic
al str
uctu
re
Dis
pla
cem
ent
transducer
Dis
pla
ce
me
nt
tra
ns
du
ce
rs
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
9
/32
“H
alo
”
Dia
gn
os
tic
Sh
un
ts a
nd
Ro
go
wskii
co
ils
TF
pic
k-u
p c
oil
s
(Not
all
of th
em
are
relia
ble
)
JE
T “
Halo
” dia
gnostic w
ill n
ot
be d
iscussed in
curr
ent
pre
senta
tion
-
TS
Dm
ee
tin
g P
PP
L9
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Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
1
0/3
2
Ou
tlin
e
�D
iag
no
sti
cs
�S
ign
al
pro
ce
ss
ing
�D
ata
ba
se
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ide
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ys
fo
rce
, im
pu
lse
an
d v
es
se
l d
isp
lac
em
en
t
�R
ota
tio
n
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uts
tan
din
g i
ss
ue
s
�S
um
ma
ry a
nd
dis
cu
ss
ion
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
11
/32
•To a
void
no
ise
contr
ibuting t
o the
results, only
the trim
med
wavefo
rms w
ere
used f
or
analy
sis
Data
Pro
cessin
g –
Dealin
g w
ith
No
ise
for
the
fir
st
an
d la
st
1 m
s
win
do
w in
ord
er
to d
isre
ga
rd
sh
ort
-liv
ed
sp
ike
s;
2
15
2
37
)(
)(
pp
pp
pI
II
IIasym
−+
−=
*10
1.0
%,
5.0
kAI
II
A
asym
p
dis
pp
asym
p
≥
≥≥
*The c
onditio
ns w
ere
modifie
d c
om
pare
d
with o
ur
late
st
paper
Nucl. F
usio
n 5
4 (
2014),
where
|I p
asym
| >
20kA
“nois
e”
“
nois
e”
dis
p
asym
p
asym
pI
IA
/=
asym
metr
y
win
do
w
-
TS
Dm
ee
tin
g P
PP
L9
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Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
1
2/3
2
-1
-2
0.1
0
0.0
5 0
0.1
0
0.0
5 00
00.0
20.0
40.0
60.0
80.1
0-
0.0
20.1
2
Tim
e (
s)
CPS14.352-7c
Oct. 1
Oct. 3
Oct. 5
Oct. 7
JE
T P
uls
e N
o: 80823
Ip (MA) Ap asym Ap
asym
Data
Pro
cessin
g –
Deali
ng
wit
h M
ult
iple
Bu
rsts
New
co
nstr
ain
t w
as in
tro
du
ced
in
2014:
if |I p
asym| <
10kA
for
2m
s insid
e t
he
“asym
metr
y w
ind
ow
” then t
rim
med
wavefo
rms a
re f
orc
ed t
o z
ero
during t
his
inte
rval, a
s r
esult t
he “
main
asym
metr
y
tim
e w
ind
ow
”w
as invente
d.
{}
∫dt
Aasym
pmax
main
asym
metr
y
win
do
w
ori
gin
al
no
ise r
em
oved
Severa
l Ip
asym
metr
y b
urs
ts
observ
ed d
uring I
LW
dis
ruptions.
Only
the m
ain
burs
t is
used t
o
calc
ula
te t
ime-d
ependent
para
mete
rs s
uch a
s im
puls
e,
num
ber
of ro
tations e
tc.
-
TS
Dm
ee
tin
g P
PP
L9
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Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
1
3/3
2
Ou
tlin
e
�D
iag
no
sti
cs
�S
ign
al
pro
ce
ss
ing
�D
ata
ba
se
�S
ide
wa
ys
fo
rce
, im
pu
lse
an
d v
es
se
l d
isp
lac
em
en
t
�R
ota
tio
n
�O
uts
tan
din
g i
ss
ue
s
�S
um
ma
ry a
nd
dis
cu
ss
ion
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
1
4/3
2
I pA
sym
me
try D
isru
pti
on
Da
tab
as
e
•I p
just
befo
re d
isru
pti
on
> 1
.0M
A
•O
nly
sh
ots
wit
h 4
octa
nt
mag
neti
cs d
ata
used
fo
r an
aly
sis
•1634 J
ET
dis
rup
tio
ns f
rom
No
vem
ber
2005 u
p t
o J
an
uary
2014:
�C
-wall
:951 =
907 (
No M
GI*
) +
44 (
MG
I) d
isru
ptions in t
he r
ange
#64329 -
#79853
(03/1
1/2
005
-23/1
0/2
009)
�IL
-wall
:683
= 491 (
No M
GI)
+ 1
92 (
MG
I) d
isru
ptions in t
he r
ange
#80181 -
#85978
(09/0
9/2
011 -
10/0
1/2
014)
----
----
----
----
--
*MG
I-
Massiv
e G
as Inje
ction
-
TS
Dm
ee
tin
g P
PP
L9
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Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
1
5/3
2
Ou
tlin
e
�D
iag
no
sti
cs
�S
ign
al
pro
ce
ss
ing
�D
ata
ba
se
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ide
wa
ys
fo
rce
, im
pu
lse
an
d v
es
se
l d
isp
lac
em
en
t
�R
ota
tio
n
�O
uts
tan
din
g i
ss
ue
s
�S
um
ma
ry a
nd
dis
cu
ss
ion
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
1
6/3
2
Dis
rup
tio
n M
itig
ati
on
an
d S
ide
wa
ys
Fo
rce
s
DM
V s
et u
p f
or
dis
rup
tio
n s
up
pre
ssio
n:
P =
30
ba
r(∆
P≈ 1
5 b
ar)
, 9
0%
D2
+ 1
0%
Ar
To
be
su
cce
ssfu
l D
MV
mu
st
sa
tisfy
th
e f
ollo
win
g c
on
ditio
ns: ∆
P >
5b
ar,
|I p
(tD
MV)|
> 0
.7|I
pdis|, ∆
Z(t
DM
V)
< 0
.6m
2 2 1
15
0.6
0.6
1.2
1.0
0.230 03 01
JE
T P
uls
e N
o’s
:
81
56
6
81
57
0
00
00
.02
0.0
40
.06
0.0
8-
0.0
20
.10
Tim
e (
s)
CPS14.352-5c
Z(m)Ip (MA) F Noll
(MN)V (kV) P (Bar)
a)
b)
c) d)
e)
Dis
rup
tio
n
Mit
igati
on
Valv
e
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
1
7/3
2
Sid
ew
ays
Fo
rce
Im
pu
lse
De
fin
itio
ns
Sid
ew
ays
Fo
rce
Im
pu
lse
Mo
du
lus:
� � �
IZT
Noll
MB
F∆
=2π
∫=
dt
FImp
Noll2
2
IZy
IZx
asym
IZM
MM
∆+
∆=
Sid
ew
ays
Fo
rce
Dir
ec
tio
na
l Im
pu
lse
:
� � �
)(
2∫∆
=dt
MB
IZx
Tπ
∫=
dt
FImp
Noll
xx
∫=
dt
FImp
Noll
yy
)(
2∫∆
=dt
MB
IZy
Tπ
22
yx
rImp
Imp
Imp
+=
-2
-1
0.2
-0
.2-3 0
0.2
0.4 0 -40
-80
00
.02
0.0
40
.06
-0
.02
0.0
8
Tim
e (
s)
CPS14.352-12c
Oct.
1
Oct.
3
Oct.
5
Oct.
7
JE
T P
uls
e N
o:
80
82
3
Ip (MA) MIZ (MA.m)
asymMIZ (MA.m)
MIZ
5 -
MIZ
1
MIZ
7 -
MIZ
3
ϕ (π)
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
1
8/3
2
Sid
ew
ays
Fo
rce
Im
pu
lse
s
�Im
pu
lse
Mo
du
lus
is a
cri
tica
l p
ara
me
ter
in c
ase
of
mu
lti-
turn
ro
tati
on
al
mo
de
du
e t
o p
ossib
le m
ech
an
ica
l
reso
na
nce
of
the
ma
ch
ine
co
mp
on
en
ts w
ith
th
e r
ota
tin
g
asym
me
try.
It is a
po
ten
tia
lly s
eri
ou
s issu
e f
or
ITE
R,
bu
t
no
t fo
r JE
T.
�D
ire
cti
on
al
Imp
uls
eis
an
esse
ntia
l p
ara
me
ter
in c
ase
of
tra
pp
ed
(o
r lo
ck
ed
) m
od
e in
wh
ich
th
e t
oro
ida
l ro
tatio
n
ca
n s
low
do
wn
an
d r
em
ain
sta
tio
na
ry d
uri
ng
a s
ign
ific
an
t
pa
rt o
f th
e C
Qo
n a
n I
TE
R-s
ize
ma
ch
ine
. D
ire
ctio
na
l
Imp
uls
e is a
lwa
ys “
resp
on
sib
le”
for
sid
ew
ays v
esse
l
dis
pla
ce
me
nt
on
JE
T f
or
an
y r
ota
tio
na
l b
eh
avio
ur.
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
1
9/3
2
0.0
5
0.0
6
0.0
4
0.0
3
0.0
2
0.0
1 06
50
00
70
00
07
50
00
80
00
08
50
00
55
00
09
00
00
Imp(MN.s)
JE
T P
uls
e N
um
be
r
95
1 C-
wa
ll a
nd
68
3 I
L-
wa
ll d
isru
ptio
ns
IL-
wa
ll, w
/o M
GI
C-
wa
ll, w
/o M
GI
IL-
wa
ll, M
GI
C-
wa
ll, M
GI
CPS14.352-8c
Sid
ew
ays
Fo
rce
Im
pu
lse
Mo
du
lus
IZT
Noll
MB
F∆
=2π
∫=
dt
FImp
Noll
22
IZy
IZx
IZM
MM
∆+
∆=
∆
)1
(,m
aa
IBImp
ImpN
pT
==
10
0%
D2
Imp
uls
e w
as c
alc
ula
ted
fo
r m
ain
Ip
asym
me
try tim
e w
ind
ow
:
0.0
08
0.0
10
0.0
06
0.0
04
0.0
02 0
65
00
07
00
00
75
00
08
00
00
85
00
05
50
00
90
00
0
ImpN (s)
JE
T p
uls
e n
um
be
r
95
1 C-
wa
ll a
nd
68
3 I
L-
wa
ll d
isru
ptio
ns
IL-
wa
ll, w
/o M
GI
C-
wa
ll, w
/o M
GI
IL-
wa
ll, M
GI
C-
wa
ll, M
GI
CPS14.352-9c
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
2
0/3
2
JE
T V
essel R
ein
forc
em
en
ts
Ve
rtic
al p
ort
d
am
pe
rs
(19
89
)
Ma
in
ho
rizo
nta
lp
ort
re
str
ain
ts
(19
84
)
Lo
we
r m
ain
ve
rtic
al re
str
ain
ts
(19
87
)
La
teria
lsu
pp
ort
s
(19
96
)
Re
info
rcin
g
rin
gs
(19
89
)
Up
pe
r m
ain
ve
rtic
al
po
rt r
estr
ain
ts
(19
87
)
H
JG96.4
77/4
c
JG96
.477/6c
Top m
ain
vert
ical port
restr
ain
ts
Hydra
ulic
dam
pers
Main
horizonta
l port
vert
ical re
str
ain
ts
Main
horizonta
l port
late
ral re
str
ain
ts
Bottom
main
vert
ical
port
restr
ain
ts
As
a r
es
ult
of
dis
rup
tio
ns
, th
e v
ac
uu
m v
es
se
l
ca
n u
nd
erg
o a
co
mp
lex
, d
am
pe
d o
sc
illa
tio
n w
ith
a p
ea
k d
isp
lac
em
en
t in
th
e o
rde
r o
f a
few
mm
.
Th
e v
es
se
l c
an
ex
pe
rie
nc
e v
iole
nt
me
ch
an
ica
l
forc
es
in
ex
ce
ss
of
few
MN
.
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
2
1/3
2
-10
-2
1.2
0.6 0 0 2 0 -2 24 0 24
-22 0
00.1
0.2
-0.1
0.3
Tim
e (
s)
CPS14.352-6c
a)
b)
c) d)
e)
f)
Oct. 1
Oct. 5
Oct. 1
Oct. 3
Oct. 5
Oct. 7
JE
T P
uls
e N
os: 85386
Roll
(mm)
Rdsp
(mm)
Ip (MA) FNoll
(MN)
Z (m) Fz (MN)F
orc
es
an
d V
es
se
l D
isp
lac
em
en
t
Ve
rtic
al (s
win
g)
forc
ed
ue
to
m/n
= 1
/0*
Ve
ss
el ro
ll, f
= 1
3H
z
Sid
ew
ays
ve
ss
el d
isp
lac
em
en
t
du
e t
o m
/n =
1/1
*
*Oth
er
po
loid
al a
nd
to
roid
al h
arm
on
ics a
re s
up
eri
mp
ose
d to
m/n
= 1
/0 a
nd
1/1
du
rin
g
the
VD
E.
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
2
2/3
2
34 2 1 00
.01
0.0
20
.03
0.0
40
0.0
5
Rdmax (mm)
Imp
r (M
N. s
)
C-
wa
ll, 9
33
dis
rup
tion
s
ILW
, 6
78
dis
rup
tion
s
CPS14.352-10c
22
yx
rImp
Imp
Imp
+=
Rad
ial V
essel
Dis
pla
cem
en
t vs
Sid
ew
ays F
orc
e
Dir
ecti
on
al Im
pu
lses
#8
53
86 V
DE
0
-1
-2 4 2
1.5
1.0
0.5 4 200 0
00
.05
0.1
0-
0.0
50
.15
Tim
e (
s)
Rd
ma
x
Oct.
1
Oct.
3
Oct.
5
Oct.
7
JE
T P
uls
e N
o:
85
38
6
CPS14.352-11c
Ip (MA) ϕ (π) Rdsp (mm)F Noll
(MN) �JE
T s
idew
ays v
essel dis
pla
cem
ent
is c
orr
ela
ted (
pro
port
ional?
) to
the d
irectional im
puls
e e
stim
ate
d f
rom
magnetics
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
2
3/3
2
3
2
1
8
7
6
5
-0.0
4
IL-
wall
C-
wall
-0.0
4
0.0
4
0.0
4
Imp
x(M
N. s
)
Imp
y(M
N. s
)
-0.0
2
-0.0
2
0.0
2
0.0
2
4
CPS14.352-19c
Sid
ew
ays
Fo
rce
Dir
ec
tio
na
l Im
pu
lse
s
Th
ere
is
pre
ferr
ed
toro
ida
l p
ha
se
of
the
sid
ew
ay
s f
orc
e i
mp
uls
e
na
me
ly i
n #
3 -
#4
oc
tan
ts
JE
T v
esse
l to
p v
iew
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
2
4/3
2
Ou
tlin
e
�D
iag
no
sti
cs
�S
ign
al
pro
ce
ss
ing
�D
ata
ba
se
�S
ide
wa
ys
fo
rce
, im
pu
lse
an
d v
es
se
l d
isp
lac
em
en
t
�R
ota
tio
n
�O
uts
tan
din
g issu
es
�S
um
ma
ry a
nd
dis
cu
ssio
n
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
2
5/3
2
-2
.0
0.0
8
0.0
4 4 2 00
-1
.00
0.0
30
.04
0.0
50
.06
0.0
70
.02
0.0
8
Tim
e (
s)
JE
T P
uls
e N
o:
82
34
2
CPS14.352-14c
Oct.
1
Oct.
3
Oct.
5
Oct.
7
Ip (MA) Ap asym ϕ (π)
Ho
w t
he N
um
ber
of
Ro
tati
on
s w
as C
alc
ula
ted
dis
pp
pp
p
asym
pI
II
II
A/
)(
)(
2
15
2
37
−+
−=
ms
dt
AA
asym
p25.0
>=∫
Nro
tations
2.0
2.5
1.5
1.0
0.5 0
65000
70000
75000
80000
85000
60000
90000
A (ms)
JE
T P
uls
e n
um
bers
CPS14.352-13c
951 C-
wall
and 6
83 IL-
wall
dis
ruptions
IL-
wall,
w/o
MG
I
C-
wall,
w/o
MG
I
IL-
wall,
MG
I
C-
wall,
MG
I
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
2
6/3
2
0.4
0.3
0.2
0.1 0
0.5
-5
-4-
3-
2-
10
12
34
56
78
Density of occurances
68
3 d
isru
ptio
ns in
th
e r
an
ge
80
18
1-8
59
78
, IL-
wa
ll
A =
d
t >
0.2
5m
s
> 0
.5%
, 2
14
sh
ots
> 1
.0%
, 2
13
sh
ots
> 2
.0%
, 2
07
sh
ots
> 5
.0%
, 11
3 s
ho
ts
Ap
a
sym
∫Ap
a
sym
N t
urn
s
CPS14.352-18c
Nu
mb
er
of
Ro
tati
on
s
Fo
rce d
yn
am
ic a
mp
lifi
cati
on
:
1.
Ro
tati
on
occu
rs a
t n
ear
a
reso
nan
ce f
req
uen
cy
2.
Mo
re t
hen
2 p
eri
od
s t
ake
pla
ce, see J
ET
data
Re
so
na
nce
Re
so
na
nce
On J
ET, ro
tation is m
ost
com
monly
seen in
the e
lectr
on d
rift
direction
•F
or
JE
T t
he
du
ratio
n o
f th
e r
ota
tio
n is s
ho
rt
co
mp
are
d t
o r
eso
na
nce
pe
rio
d o
f th
e v
esse
l
(∼1
/(1
4–
17
Hz))
, a
nd
so
dyn
am
ic a
mp
lific
ation
is n
ot
an
issu
e.
•F
or
ITE
Rth
e s
itu
atio
n c
an
be
re
ve
rse
d (
the
du
ratio
n o
f ro
tatio
n is g
rea
ter
tha
n t
he
me
ch
an
ica
l re
so
na
nce
pe
rio
d)
ma
kin
g t
his
an
issu
e.
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
2
7/3
2
Ou
tlin
e
�D
iag
no
sti
cs
�S
ign
al
pro
ce
ss
ing
�D
ata
ba
se
�S
ide
wa
ys
fo
rce
, im
pu
lse
an
d v
es
se
l d
isp
lac
em
en
t
�R
ota
tio
n
�O
uts
tan
din
g i
ss
ue
s
�S
um
ma
ry a
nd
dis
cu
ssio
n
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
2
8/3
2
As
ym
me
try o
f P
olo
ida
l L
oo
p V
olt
ag
es
Uniform
rota
tion –
polo
idal
voltage a
sym
metr
y follo
wed
by t
oro
idal curr
ent asym
metr
y
Tripped (
locked)
mode –
rise a
nd
decay o
f polo
idal voltage
asym
metr
y (
~ p
olo
idal curr
ent ?)
-0
.5
-1
.0
-1
.5
0.1 0
-0
.1 2 1 15
10 50
-1
-2 00
00
.01
0.0
20
.03
-0
.01
0.0
4
Tim
e (
s)
JE
T P
uls
e N
o:
72
92
6
CPS14.352-15c
Ip (MA)
I p5
- I p
1
Vd
l5 -
Vd
l1
∆Ip (MA) ∆Vdl (V) ϕ (π)
Oct.
1O
ct.
3O
ct.
5O
ct.
7
-1
.0
-2
.00
.1 0
-0
.1
-0
.2 1 2 00 -1
-2
-20
0.0
20
.03
0.0
10
.04
Tim
e (
s)
JE
T P
uls
e N
o: 7
01
00
CPS14.352-16c
Ip (MA)
I p5
- I p
1
Vd
l5 -
Vd
l1
∆Ip (MA) ∆Vdl (V) ϕ (π)
Oct. 1
Oct. 3
Oct. 5
Oct. 7
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
2
9/3
2
Wh
at
is t
he R
easo
n f
or
Po
loid
al L
oo
p V
olt
ag
e
Asym
metr
y?
Bt
1.
Pla
sm
a r
adia
lly s
hifte
d b
ecause o
f
the m
/n=
1/1
(3D
effect)
;
2.
Leads t
o p
lasm
a c
ontr
action a
nd
expansio
n (
toro
idal flux
conserv
ation);
3.
Pla
sm
a c
ontr
action /
expansio
n
leads t
o v
ariation o
f to
roid
al flux
insid
e t
he v
essel;
4.
Variation o
f to
roid
al flux c
reate
s
the p
olo
idal voltage w
hic
h
genera
tes t
he p
olo
idal vessel
curr
ent.
Sim
ilar
mo
de
l ca
n b
e a
pp
lied
to
po
loid
al lo
op
vo
lta
ge
be
ha
vio
ur
du
rin
g E
LM
s(2
D e
ffe
ct)
–
wh
ere
(1
.)e
ve
nt is
be
ta d
rop
an
d r
eco
ve
ryR
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
3
0/3
2
Vessel
Po
loid
al C
urr
en
t In
du
ced
by E
LM
-
CarM
a0N
L C
od
e S
imu
lati
on
*
Verify
ing t
he C
arM
a0N
L 3
D J
ET
vessel m
odel
�T
he d
ecay t
ime o
f polo
idal curr
ents
in t
he v
essel m
odel is
slig
htly less (
30 m
s)
than in J
ET
estim
ation f
rom
TF
variation (
38-3
9 m
s);
�N
ext
ste
p –
sim
ula
te t
oro
idal flux v
ariation d
uring t
he E
LM
;
�N
ext
ste
p –
quasi 3D
asym
metr
y s
imula
tion d
uring
dis
ruption.
*F
ab
io V
illo
ne
, F
ran
ce
sc
o M
av
igli
a,
Ra
ffa
ele
Alb
an
ese
, G
ug
lie
lmo
Ru
bin
ac
ci
9
10 5
0.1 0
-0.1
-0.20
14.1
614.2
014.2
414.1
2
V
Tim
e (
s)
CPS14.352-23c
Dα (a.u.)
Vdl1
Vdl5
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
3
1/3
2
Ou
tlin
e
�D
iag
no
sti
cs
�S
ign
al
pro
ce
ss
ing
�D
ata
ba
se
�S
ide
wa
ys
fo
rce
, im
pu
lse
an
d v
es
se
l d
isp
lac
em
en
t
�R
ota
tio
n
�O
uts
tan
din
g i
ss
ue
s
�S
um
ma
ry a
nd
dis
cu
ss
ion
-
TS
Dm
ee
tin
g P
PP
L9
-11
Ju
ly 2
01
4
S
Ge
rasim
ov “O
ve
rvie
w o
f J
ET
asym
me
tric
al d
isru
ptio
ns”
3
2/3
2
Su
mm
ary
an
d D
iscu
ssio
n
•P
las
ma
cu
rre
nt
as
ym
me
trie
s d
uri
ng
cu
rre
nt
qu
en
ch
an
d h
en
ce
sid
ew
ays
fo
rce
s c
an
be
su
cc
es
sfu
lly
mit
iga
ted
by M
GI
–1
00
% (
23
2 s
ho
ts)
su
cc
es
s s
o f
ar;
•M
ult
i-tu
rn I
pa
sym
me
try r
ota
tio
n i
n b
oth
to
roid
al
dir
ec
tio
ns
ha
s b
ee
n o
bs
erv
ed
on
JE
T t
ha
t c
an
le
ad
to
res
on
an
ce
co
nd
itio
n o
n I
TE
R;
•J
ET
ra
dia
l v
es
se
l d
isp
lac
em
en
t c
orr
ela
tes
wit
h
sid
ew
ays
fo
rce
dir
ec
tio
na
l im
pu
lse
, w
hic
h i
s
es
tim
ate
d o
nly
fro
m m
ag
ne
tic
dia
gn
os
tic
.