25th 10th week(05/13/24 - 05/17/24) schedule for LHD experiment
Date

Weekly report :Schedule of the dayDay Btof dire
the ctioweek nMorning (～ 12:15)

Afternoon (12:15 ～ 16:45)

WallGasExperiment implementation system

Remark

Sat:
H2 GD

5/ M
13 o.

Sun:
H2 GD
Mon:None

H2【Responsible person】M.Osakabe / (TC)CXS, BES
H.Hayashi(id:728) Mag.
【Coordinator#1】A.Shimizu
Conf.: 3.55 m =<【Coordinator#2】T.kobayashi
Rax < 3.6 m【ECH】H.Igami【Gas・vacuum・shutter】B/C(id:751) Mag.
【Low temp.】ohba.kouki【LID power】M.Kawai/K.Nagahara Conf.: Rax ＝ 3.5,
【Coil power】tanoue.hiroyuki
3.53 m【central ctrl.】ogawa.hideki【data proc.】M.Ohsuna【EXP LAN】nakamura.osamu

H2【Responsible person】S.Sakakibara (IA)H2 Pellet, MSE,
Fast TS/ H.Hayashi【Coordinator#1】Y.Takemura【Coordinator#2】N.Kenmochi(id:752) NBI:
【ECH】H.Takahashi
Injection into the【Gas・vacuum・shutter】A/B【Low temp.】ohba.kouki
discharges with low【LID power】M.Kawai/K.Nagahara
fields【Coil power】takami.shigeyuki【central ctrl.】ogawa.hideki(id:754) Mag. Conf.:【data proc.】M.Ohsuna
Vertical field sweep【EXP LAN】inoue.tomoyuki

H2,He,
N2,Ne,
Ar【Responsible person】K.Tanaka /H.Hayashi【Coordinator#1】K.Mukai【Coordinator#2】R.Yanai【ECH】N.Kenmochi【Gas・vacuum・shutter】C/A【Low temp.】ohba.kouki【LID power】M.Kawai/K.Nagahara【Coil power】tanoue.hiroyuki【central ctrl.】ogawa.hideki【data proc.】M.Ohsuna【EXP LAN】nakamura.osamu

H2,He,
N2,Ne,
Ar【Responsible person】N.Tamura /H.Hayashi【Coordinator#1】C.Suzuki/M.Yoshinuma【Coordinator#2】K.Mukai/M.Nishiura【ECH】R.Yanai【Gas・vacuum・shutter】B/C【Low temp.】ohba.kouki【LID power】M.Kawai/K.Nagahara【Coil power】takami.shigeyuki【central ctrl.】ogawa.hideki【data proc.】M.Ohsuna【EXP LAN】inoue.tomoyuki[TC](10:30 ～ 16:45)ECH, NBI
Magnetic configuration effects in anomalous transport, Heating power dependence of heat transport

5/ Tu CC
14 . W# Opt. Pol.
1CCW
2
CCW
3
CCW
4 ✓ CCW

Rax3.53
3.6
3.75
3.55

Bax
2.80452.75
2.64
2.7887gamma
1.25381.25381.25381.2538

Bq
100.0
100.0
100.0
100.0

SCH2 GD
DivCryo[IA](10:30 ～ 16:45)ECH, NBI
CDC dynamics, rotational transform measurement during CDC

5/ W CC
15 e. W

# Opt. Pol.
1
CCW
2CCW
3CCW
4CCW
5 ✓ CCW
6 ✓ CCW
7 ✓ CCW
8 ✓ CCW

Rax
3.85
3.85
3.8
3.75
3.9
3.85
3.8
3.75

Bax
2.0
2.571
2.605
2.64
1.2
1.2
1.2
1.2

gamma
1.25381.25381.25381.25381.25381.25381.2538
1.2538

Bq
100.0
100.0
100.0
100.0
100.0
100.0
100.0100.0SC# Opt. Pol.
9 ✓ CCW
10 ✓ CCW
11 ✓ CCW

Rax
3.9
3.85
3.85

Bax
2.5385
1.375
1.5

gamma
1.25381.25381.2538

Bq
100.0
100.0
100.0

SCHe GD[MAP](10:30 ～ 16:45)ECH, NBI
Construction of atomic data and plasma modeling, Measurement of anisotropy in EVDF, Experimental identification of spectral lines, Asymmetries during impurity seeding# Opt. Pol.
1CW

Rax
3.6

Bax
2.75

gamma
1.2538

Bq
100.0

SC

5/ Th C
16 . WNone[MAP](10:30 ～ 15:00)ECH, NBI
Investigation of turbulence characteristics induced by RMP, Exploration of lineemissions from tungsten ions in low charge states

5/ Fr CC
17 . W# Opt. Pol.
1
CCW
2CCW
3 ✓ CCW

Rax
3.9
3.9
3.85

Bax
2.53851.375
2.5714gamma
1.25381.25381.2538

Bq
100.0
100.0
100.0

[TC](15:00 ～ 16:45)ECH, ICH
Experimental study of the electron temperature anisotropySC# Opt. Pol.
1CCW

Rax
3.6

Bax
2.75

gamma
1.2538Bq
100.0SC

None(MAP)Spectrometers,Impurity pellet, TESPEL,
Impurity puff, Fast TS,LID(14:45-16:45)(id:723) Impurity
pellet/TESPEL(id:724) Impurity gaspuff(id:731) Mag. Conf.:
Using LID coil
(MAP)BES, CXS, Fast TS, GPI, PCI,
ECE, reflectometer, Imp. Pellet (W),TESPEL (W), spectroscopy,
LID(10:30-13:15)(id:723) Impurity pellet/TESPEL(id:724) Impurity gas puff
(id:731) Mag. Conf.: Using LID coil
(id:740) ICH: IC wave injection into
the vaccum (w/o plasma)(id:748) ECH: off-axis injection(Combined)(id:749) ICH: Antennae insertion forplasma heating by ICH : Subcool
required(id:752) NBI: Injection into thedischarges with low fields(id:756) Insertion of sample, etc:

LHD projectPrepared byDaily Schedule

N.Tamura

Date

Experimental Subject

2024/5/14(Tue)Magnetic configuration effects in anomalous transport, Heating power
dependence of heat transport

Exp. No.

Experimental Session Group

1362

TC
89Time Table

Session Coordinator

A.Shimizu[2454] / T.kobayashi[2231]

10111213UP

14151617181920

Gas[TC](10:30 ～ 16:45) ECH, NBI
10:30-12:00 Magnetic configuration effects in anomalous transport (K. Tanaka)

H2

12:00-12:20 [Change of Mag. Config.: 3.53m, 2.8045T(3.55m, 2.7887T) -> 3.6m, 2.75T]
12:20-14:30 Magnetic configuration effects in anomalous transport (K. Tanaka)
12:20-14:30 Heating power dependence of heat transport (R. Ishikawa)# NBI calib. (3 shots) will be done during 12:20-14:30
14:30-14:50 [Change of Mag. Config.: 3.6m, 2.75T -> 3.75m, 2.64T]
14:50-16:45 Magnetic configuration effects in anomalous transport (K. Tanaka)
14:50-16:45 Heating power dependence of heat transport (R. Ishikawa)
Polarity
CCWCCW
CCW
CCWRax(m)
3.53
3.6
3.75
3.55

Bax(T)
2.80452.75
2.64
2.7887gamma
1.25381.25381.25381.2538

Bq(%)
100.0
100.0
100.0
100.0

Subcooled

Wall Conditioning

GD(Before Exp.): None , GD(After Exp.): H2 , Cryopump(During Exp.): on
Remarks(TC)CXS, BES【Precautions for today's LHD experiments】(id:728) Mag. Conf.: 3.55 m =< Rax < 3.6 m(id:751) Mag. Conf.: Rax ＝ 3.5, 3.53 m

22DN[TC]

Details and Experimental Conditions

Sequence:3min#Option
1234
✓21

LHD projectPrepared byDaily Schedule

Y.TakemuraDate2024/5/15(Wed)Experimental Subject

CDC dynamics, rotational transform measurement during CDC

Exp. No.

Experimental Session Group1363

IA
89Time Table

10Session Coordinator

Y.Takemura[2167] / N.Kenmochi[2208]
11U
P

1213

14

15

1617

18

19

20

Gas

[IA](10:30 ～ 16:45) ECH, NBI
10:30-14:45 Measurement of Plasma Dynamics during Core Density Collapse (CDC) in LHD (D.
Hartog(UW-Madison), N. Kenmochi)
14:45-16:45 CDC dynamics and rotational transform (H. Thomsen(IPP), Y. Takemura)Polarity
CCW
CCW
CCW
CCW
CCW
CCW
CCW
CCW
CCW
CCW
CCW

Rax(m)
3.85
3.85
3.8
3.75
3.9
3.85
3.8
3.75
3.9
3.85
3.85

Bax(T)
2.0
2.571
2.605
2.64
1.2
1.2
1.2
1.2
2.5385
1.375
1.5

gamma
1.25381.25381.25381.25381.25381.25381.25381.25381.25381.25381.2538

Bq(%)
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0100.0
100.0

Subcooled

Wall Conditioning

GD(Before Exp.): H2 , GD(After Exp.): He , Cryopump(During Exp.): off
Remarks(IA)H2 Pellet, MSE, Fast TS【Precautions for today's LHD experiments】(id:752) NBI: Injection into the discharges with low fields(id:754) Mag. Conf.: Vertical field sweep

22

DN

[IA]

Details and Experimental Conditions

Sequence:3min#Option
123
45
✓
6
✓
7
✓
8✓
9✓
10
✓
11✓

21

H2

LHD projectPrepared byDaily Schedule

N.Tamura

Date2024/5/16(Thu)

Experimental Subject

Construction of atomic data and plasma modeling, Measurement ofanisotropy in EVDF, Experimental identification of spectral lines,
Asymmetries during impurity seeding

Exp. No.

Experimental Session Group1364

MAP
89Time Table

10Session Coordinator

K.Mukai[2240] / R.Yanai[2163]
11U
P

1213

14

15

16

17

18

19

20

Gas

[MAP](10:30 ～ 16:45) ECH, NBI
10:30-11:30 Construction of atomic data and plasma modeling toward understanding the origin ofheavy elements (D. Kato)
11:30-13:15 Measurement of anisotropy in EVDF with polarization spectroscopy for Argon ion M1lines (M. Goto)
13:15-14:45 Experimental identification of spectral lines from highly charged heavy ions (C. Suzuki)# NBI calib. (3 shots) will be done during 13:15-14:45
14:45-16:45 Study of poloidal and toroidal asymmetries during impurity seeding in LHD (B. Peterson)
Sequence:3min

OptionPolarity
CW

Rax(m)
3.6

Bax(T)
2.75

gamma
1.2538

Bq(%)
100.0

Subcooled

Wall Conditioning

GD(Before Exp.): He , GD(After Exp.): None , Cryopump(During Exp.): off
Remarks(MAP)Spectrometers, Impurity pellet, TESPEL, Impurity puff, Fast TS, LID(14:45-16:45)【Precautions for today's LHD experiments】(id:723) Impurity pellet/TESPEL(id:724) Impurity gas puff
(id:731) Mag. Conf.: Using LID coil

22

DN

[MAP]

Details and Experimental Conditions#121

H2,He,N2,Ne,ArLHD projectPrepared byDaily Schedule

C.Suzuki
M.Yoshinuma

Date

Experimental Subject

2024/5/17(Fri)

Investigation of turbulence characteristics induced by RMP, Explorationof line emissions from tungsten ions in low charge states
Experimental study of the electron temperature anisotropyExp. No.

Experimental Session Group

Session Coordinator

1365

MAP/TCC.Suzuki[2255] / K.Mukai[2240]
M.Yoshinuma[2172] / M.Nishiura[2184]

89Time Table

1011UP

1213[MAP]

1415

16[TC]

1718192021

DN

Details and Experimental Conditions

Gas[MAP](10:30 ～ 15:00) ECH, NBI
10:30-13:15 Investigation of turbulence characteristics and nonlinear coupling in turbulence
spreading induced by RMP in ECH plasmas (W. Li (SWJTU), M. Kobayashi)# NBI calib. (3 shots) will be done between 10:30-11:45.
13:15-13:30 [Change of Mag. Config.: 3.9m, 2.385T -> 3.9m, 1.375T]
13:30-15:05 Exploration of line emissions from tungsten ions in low charge states and the application
to the study of impurity transport in the edge plasma (R. Nishimura (Tohoku U.), I. Murakami)# NBI calib. (1 shot) will be done between 13:30-15:05.

H2,He,N2,Ne,ArNBI pattern #7: (#1, #2, #3, #4, #5) - (#1, #2, #3, #5) - (#1, #2, #3) - (#2, #3)
Sequence:3min#123Option✓Polarity
CCWCCWCCWRax(m)
3.9
3.9
3.85

Bax(T)
2.53851.375
2.5714gamma
1.25381.25381.2538

Bq(%)
100.0
100.0
100.0

Subcooled[TC](15:00 ～ 16:45) ECH, ICH
15:05-15:35 [Change of Mag. Config.: 3.9m, 1.375T -> 3.6m, 2.75T]
15:35-15:38 NBI calib. (1 shot)
15:41-16:45 Experimental study of the electron temperature anisotropy by using the LHD
Thomson scattering system (I. Yamada)Sequence:3min#Option
1Polarity
CCW

Rax(m)
3.6Bax(T)2.75

22gamma
1.2538

Bq(%)
100.0

SubcooledWall Conditioning

GD(Before Exp.): None , Cryopump(During Exp.): off
Remarks(MAP)BES, CXS, Fast TS, GPI, PCI, ECE, reflectometer, Imp. Pellet (W), TESPEL (W), spectroscopy,
LID(10:30-13:15)【Precautions for today's LHD experiments】(id:723) Impurity pellet/TESPEL(id:724) Impurity gas puff
(id:731) Mag. Conf.: Using LID coil
(id:740) ICH: IC wave injection into the vaccum (w/o plasma)(id:748) ECH: off-axis injection (Combined)(id:749) ICH: Antennae insertion for plasma heating by ICH : Subcool required(id:752) NBI: Injection into the discharges with low fields(id:756) Insertion of sample, etc: Insertion of the alpha particle detector

H2