SOLPS5 simulations of

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SOLPS5 simulations of Type I ELMing H-mode at JET
Barbora Gulejová Richard Pitts, David Coster,
Xavier Bonnin, Marc Beurskens, Stefan Jachmich,
Arne Kallenbach
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OUTLINE

• Type I ELMing H-mode (3MA,3T) at JET
• SOLPS - experiment benchmark
• Type I ELMing H-mode (2MA,2T) at JET
• SOLPS EDGE2D/Nimbus benchmark

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Type I ELMing H-mode on JET
baseline scenario for QDT10 burning plasma
operation on ITER !!! To avoid divertor damage
gt maximum ?WELM (ITER) 1MJ
70224
Parameters Bt 3 T Ip 3 MA ne6x1019
m-3 P(SOL) 19 MW No GAS PUFF !! ?ped 0.03
-0.08 (expected for ITER!)
Core LIDAR Edge LIDAR Li beam
HRTS ECE
Dalpha
PIN 20 MW PRAD (below Xpoint) PRAD (core)
ELM parameters felm 2 Hz ?WELM 1 MJ
Langmuir probes
Wdia
Bolometry (A.Huber) radiation between ELMs
Simulated for the first time ! with SOLPS5
time
4
SOLPS vs. experiment - upstream
SOLPS grid, sep EFIT, sep
Core LIDAR Edge LIDAR Li beam
HRTS ECE
ne m-3
Te eV
Ti eV
First results for pre-ELM
D m2.s-1 ?e m2.s-1 Xi m2.s-1

• quite promising
• unlike for TCV,AU
• inward pinch
• radial profile
• necessary!!

D- 0.01 m2.s-1 in pedestal 1 m2.s-1 in
SOL ?- 0.7 m2.s-1 in pedestal 1 m2.s-1
in SOL Xi lt Xe
vperp m.s-1 inward pinch!
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SOLPS vs.experiment - targets
SOLPS
Outer target
Inner target
LP
LP
80
50
50
30
1,2
0.5
r-rsep
r-rsep

r-rsep map2mid

r-rsep map2mid

Inner target good agreement
Outer target SOLPS Te too high!
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Benchmark SOLPS/EDGE2D/Nimbus
Succesfully modelled by EDGE2D NIMBUS by Arne
Kallenbach (PPCF 46,2004)
58569
Core LIDAR Edge LIDAR Li beam
ECE
Parameters Bt 2 T Ip 2 MA ne 4x1019
m-3 P(SOL) 12 MW GAS PUFF from inner
divertor !!
Dalpha
PIN 14 MW PRAD (core)
ELM parameters felm 30 Hz ?WELM 200 kJ
Wdia
Grid problem ?
Deep mesh simulations in progress
time
7
Pre-ELM model vs.experiment
EDGE2DNIMBUS
SOLPS5
2
2
Same Ansatz D,Chi,v
Same ne,Te,Ti upstream profiles
0.05
-0.05
0
r-rsep m

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Pre-ELM vs. ELM simulation
EDGE2DNIMBUS
SOLPS5
ELM D x 20 Chi x 40 1ms
0.05
-0.05
0.05
0
0.05
0.05
0
-0.05
0.1
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Upstream profiles evolution during ELM
SOLPS5
ne
Te
preELM
preELM
post ELM 1ms
post ELM 1ms
ELM peak
post ELM 3ms
post ELM 3ms
ELM peak
r-rsep m

r-rsep m

Transport coefficients D, Ch, were increased
during 1ms everywhere poloidaly in the
interval 5cm inside and 0.5 cm outside of
separatrix radialy
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SOLPS vs. experiment-targets(LP)
SOLPS5
outer target
inner target
EDGE2DNIMBUS
outer target
250
LP
250
preELM
ELM
25
25
5
7
r-rsep map2mid

r-rsep map2mid

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• Thank you for attention !

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CONCLUSIONS
Type III ELMing H-mode at TCV and Type I ELMing
H-mode at JET have been succesfully simulated by
SOLPS5 both steady state and transient event
Agreement obtained between code - experiment
code - code






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