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Dataset from HL-2ADataset from HL-2A

Presented by Z. CUI ( 崔 正英）

In collaboration with C. DONG and O.J.W.F.

KARDAUN

HL-2A dataset 12th ITPA meeting, May 7-10, Lausanne

__________________________________________________________Status of HL-2A TokamakStatus of HL-2A Tokamak

• Plasma parameters of HL-2A tokamak have been increased significantly with the improvement of the hardware

• The stable and reproducible discharges with divertor configuration have been obtained by reliable feedback control and wall conditioning techniques. BT: 2.8 T 2.7 T

•IP: 480 kA 430 kA

•Duration: 3.0 s•Plasma density: 6.0 x 1019 m-3

•Electron temperature: ~5 keV•Ion temperature: >1 keV•Fuelling system: GP, SMBI, PI

•Heating sys.: ECRH, LHCD, NBI

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Hydrogen Deuterium

Limiter 24 39

Divertor 8 11

• 100kA < Ip < 300kA,

• 0.4 ×1013 cm-3 < ne < 6. ×1013 cm-3

• 1.5 T < BT < 2.4 T

Dataset from HL-2A

Time Slices of Ohmic Discharges: ～ 82

L-mode: ～ 98

__________________________________________________________HL-2A SHOT5555

Ti me(ms)

We(kJ )

NEL(1019/ m3)

Te(ev)

Prad(kW)

Hal pha(V)

Bt (T)

Vl (V)

I p(kA)

0 200 400 600 800 1000 1200 1400 1600 1800 20000

20

40

0

2

4500 10001500

100

200

0.52.252.3

2.35

0 5 1015

200

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ne 1013 cm-3

Taue (s)

0 1 2 3 4 5 6 70

0.01

0.02

0.03

0.04

0.05

0.06

0.07

0.08

0.09

0.1Hydrogen LimiterHydrogen DivertorDeuterium LimiterDeuterium Divertor

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Thank you !

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SMBISMBIPellet Pellet

Injection Injection 2*500kW 2*500kW /1s /1s /68GHz /68GHz ECRH/CDECRH/CD

1.5MW/1.5MW/50keV/2s/50keV/2s/NBI systemNBI system

2*500kW/2*500kW/1s 1s /68GHz /68GHz ECRH/CDECRH/CD

2*500kW /1S 2*500kW /1S /2.45GHz/ /2.45GHz/ LHCD LHCD systemsystem

Thomson Thomson ScatteringScattering

CXRCXRSS

8-Channel HCN 8-Channel HCN interferometerinterferometer

VUV spectrometerVUV spectrometer

MW MW reflectometerreflectometer

ECEECE

Fast reciprocating Fast reciprocating probesprobesNeutral Neutral

Particle Particle AnalyzerAnalyzer

SDD soft X ray spectrumSDD soft X ray spectrum

Bolometer & Soft X ray Bolometer & Soft X ray arraysarrays

More than 30 kinds of More than 30 kinds of Diagnostics developedDiagnostics developed

Diagnostic systems

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Auxiliary Heating & Current Drive

Auxiliary Heating & Current Drive

The red values are for the first phase

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•Ip=433 kA, Bt=2.7 T,

•ne = 6 1019 m-3

•Te=5 keV

•23 divertor discharges

with good reproducibility

Discharge Parameter Progress

Discharge Parameter Progress