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Barbora Gulejova Reunion Scientifique 05/04/2006
Centre de Recherches en Physique des Plasmas
1 of 12
Some key results from SOL H-mode characterisation
Barbora Gulejová, Richard Pitts, Roland Behn, Jan Horáček
OUTLINE
* Experiments - motivation* Comparison of data from old and new shots * Analysis of data from target langmuir probes
Barbora Gulejova Reunion Scientifique 05/04/2006
Centre de Recherches en Physique des Plasmas
2 of 12
AIM: repetition of #26730 modeled by SOLPS- new data required from : LPs RCP IR
laser beam
26730-old31832-new
RCP
Egde TS
LP
LP
+ SOLPS
Barbora Gulejova Reunion Scientifique 05/04/2006
Centre de Recherches en Physique des Plasmas
3 of 12
Upstream profiles- ne and Teedge TS + RCP + SOLPS
Old data #26730 TS
RCP
New data #3183x TS oldTS new
RCP oldRCP new
Te
Barbora Gulejova Reunion Scientifique 05/04/2006
Centre de Recherches en Physique des Plasmas
4 of 12
Te - upstream profile edge TS + RCP + SOLPS
New + oldexp.data
+
SOLPS
Barbora Gulejova Reunion Scientifique 05/04/2006
Centre de Recherches en Physique des Plasmas
5 of 12
ne - upstream profile edge TS + RCP + SOLPS
Old data #26730
ne
TS old
RCP old
New data #3183xTS oldTS new
RCP oldRCP new
RCP data x corr.factor ~ 0.5
-account for increased Aproj of RCP due to ρL(i)
Barbora Gulejova Reunion Scientifique 05/04/2006
Centre de Recherches en Physique des Plasmas
6 of 12
ne - upstream profile edge TS + RCP + SOLPS
New + oldexp.data
+
SOLPS
Barbora Gulejova Reunion Scientifique 05/04/2006
Centre de Recherches en Physique des Plasmas
7 of 12
ELM-Time evolution of jsat at outer target
coavelm from LP=4
*
*
*
*
*
t [s]
# 31832 , V= -100 V => Jsat mode
r-rsep [m] outer target
*
*
*
Jsat [A.cm-2]
Pre-ELM
ELM
Post-ELM
Barbora Gulejova Reunion Scientifique 05/04/2006
Centre de Recherches en Physique des Plasmas
8 of 12
Outer target div.leg sweeping #31839 (jsat)
vs fix outer div.leg #31832 (jsat) #31839 – target sweep => each probe gives part of jsat profile
ELM - phase
between ELMs
t [s]
Jsat [A.cm-2] LP=3
Time R(probe)-R(strike point)
Jsat target profile from envelopes of jsat in
certain times(between or during elm)
Barbora Gulejova Reunion Scientifique 05/04/2006
Centre de Recherches en Physique des Plasmas
9 of 12
Sweep vs Fixed target legJsat outer target profiles
Between ELMs ELMs
3
Fixed target leg #31832
88
7
7
6
6
55
4
4
3
Fixed target leg #31832
S w e e p # 31839
S w e e p # 31839
Strike point Strike point
Barbora Gulejova Reunion Scientifique 05/04/2006
Centre de Recherches en Physique des Plasmas
10 of 12
J0 profiles : V=0 mode #31836Inner and outer target
Thermoelectric currents flowInner target Outer target
negative J0
positive J0
3
4
5
6
7
8
47
48
49
50
51
52
53
54
55
LP LP
47
55
3 8
Barbora Gulejova Reunion Scientifique 05/04/2006
Centre de Recherches en Physique des Plasmas
11 of 12
J0 profiles : V=0 mode #31836inner and outer target balance
t [ms] from D t [ms] from D
Coh.averaged elm
Jo [kA] Jo [kA] normalised
Jo outer
Jo outer
Jo inner
Jo inner
Barbora Gulejova Reunion Scientifique 05/04/2006
Centre de Recherches en Physique des Plasmas
12 of 12
Thank you for attention
Barbora Gulejova Reunion Scientifique 05/04/2006
Centre de Recherches en Physique des Plasmas
13 of 12
Perpendicular heat fluxIR SOLPS
SOLPS
Barbora Gulejova Reunion Scientifique 05/04/2006
Centre de Recherches en Physique des Plasmas
14 of 12
Barbora Gulejova Reunion Scientifique 05/04/2006
Centre de Recherches en Physique des Plasmas
15 of 12
Target profiles – Jsat Langmuir probes
# 31832 , V= -100 V => jsat modeCoherently averaged elms
Inner target Outer target
SOLSOL
PRF
PRF
t [s] t [s]
3
4
5
6
7
8
44
45
46
47
48
49
50
51
52