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Call for Proposals for 2018 KSTAR Experimental Campaign
Name : manager | Date : 2018.05.08 10:15 | Views : 2861

Call for Proposals for 2018 KSTAR Experimental Campaign

 

1. Experimental goals

 

After the successful campaign of the year 2017, KSTAR will continue physics research and advanced operation maximizing the unique machine capabilities of KSTAR. The main physics goals of KSTAR 2018 campaign would be addressed through the following working groups:

 

A.    Main Physics Research Goals (6 Working-Groups)

The main Physics research topics will be categorized by 6 Working-Groups(WGs) and the detail research topics for each WG will be specified below.

-          WG 1 : Advanced Operation Scenario (AOS)

-          WG 2 : MHD Stability (MHD)

-          WG 3 : 3D Field Physics (3DF)

-          WG 4 : Tokamak Boundary Physics (DIV)

-          WG 5 : Plasma Commissioning (COM)

-          WG 6 : General Physics (GEN)

 

2. Campaign Schedule*

 

Operation steps

July

Aug

Sep

Oct

Nov

Dec

Jan

Evacuation and wall conditioning

 

 

 

 

 

 

 

Magnet cool-down and test

 

 

 

 

 

 

 

Plasma experiments (from early Sep to late Dec, ~4 months)

 

 

 

 

 

 

 

Magnet warm-up

 

 

 

 

 

 

 

 

*This schedule is subject to change depending on the status of the machine preparation.

 

Key dates

10 Apr 2018 : Proposal website open (https://kstar.nfri.re.kr)

9 May 2018: Due date of proposal submission

15-16 May 2018 : Research Opportunity Forum at NFRI (remote participation available)

11 June 2018: Announcement of selected proposals and experimental schedule

 

3. Working-Groups

 

In 2018 run-campaign, similar as 2017’, six Working-Groups as listed below are organized to facilitate the management and coordination of the experimental proposals under limited runtime resources.

 

WGs

Research Topics

WG leaders

WG 1:

Advanced Operation Scenario

(AOS)

Ÿ  Development of high beta steady state scenarios

-          High beta poloidal, Hybrid, ITER Baseline, ITB

-          Fully non-inductive scenario

-          Thermal and fast ion confinements

-          Optimization of heating current drive

 

Ÿ  Development of core-edge integrated scenarios

-          Advanced scenario with ELM suppression

-          Advanced Scenario with divertor detachment

Young-Mu Jeon

(ymjeon@nfri.re.kr)

WG 2:

MHD Stability

(MHD)

 

Ÿ  Control of MHD near no-wall limit

-          Avoidance/control of Neoclassical Tearing Mode

-          Operation above no-wall limit

 

Ÿ  Disruption mitigation

-          Development of forecast techniques

-          Mitigation of Thermal Quench using MGI

-          Tailoring of runaway electrons with MGI & RMP

 

Ÿ  Energetic particle physics

-          Control of energetic particle driven modes

-          Fast ion loss from with MHD and (N)RMP

Byoung-Ho Park (bhpark@nfri.re.kr)

WG 3:

3D Field Physics

(3DF)

Ÿ  ELM control

-          RMP ELM control compatibility with detached plasmas

-          Physics mechanism of ELM suppression with low-n RMPs

-          Cross-machine comparison in RMP ELM control

-          Exploration of intrinsically ELM-free H-mode regime

 

Ÿ  Pedestal and Rotation physics

-          Pedestal transport near critical transitions

-          RMP-driven turbulence influence on pedestal

-          Rotation shear with RMP/NRMP

Won-Ha Ko

(whko@nfri.re.kr)

 

WG 4:

Tokamak Boundary Physics

(DIV)

Ÿ  Characterization of Scrape-off Layers

-          SOL heat/particle decay width

-          Far-SOL turbulence transport

 

Ÿ  Divertor physics

-          Access and dynamics of detachment

-          Radiative divertor with impurity injection

 

Ÿ  Impurity transport and recycling

-          Impurity injection and confinement improvement

-          Wall conditioning techniques

Hyung-Ho Lee

(jdfm@nfri.re.kr)

WG 5:

Plasma Commissioning

(COM)

Ÿ  Optimization of plasma control system

-          Axisymmetric magnetic control

-          Extension of operational boundary

 

Ÿ  Commissioning of Diagnostics

-          Validation of diagnostic data

 

Ÿ  Commissioning of heating and current drive systems

-          Heating and current drive efficiency

Woong-Chae Kim

(woong@nfri.re.kr)

WG 6:

General Physics

(GEN)

Ÿ  All the physical topics which are not covered by other working groups

-          Basic plasma physics

-          Physics of confinement transition

-          Experiment for theory and code validation

-          Etc.

Jae-Min Kwon (jmkwon74@nfri.re.kr)

 

*Before submitting your proposals, it is strongly encouraged to discuss them in detail with the WG leaders or your personal contacts at NFRI.

 

4. Contacts for project managements and general supporting

 

Role or position

Name

Email

Director of KSTAR Research Center

Yeong-Kook Oh

ykoh@nfri.re.kr

Experimental coordinator

Si-Woo Yoon

swyoon@nfri.re.kr

Experimental coordinator (Deputy)

Jong-Gu. Kwak

jgkwak@nfri.re.kr

Webmaster

Jin-Seop Park

linupark@nfri.re.kr

External relations & logistics supports

Seok In Yoon

siyoon@nfri.re.kr

 

3. KSTAR machine status

 

Plasma machine operation parameters

 

TF field

1.5 – 3.0 T (typically at Bt=2.0T at R = 1.80 m)

Plasma current

Up to 1 MA (typically Ip=0.5-0.8 MA)

Major/minor radius

R=1.8 m, a=0.4 – 0.45 m

Density

Up to 5 ´ 1019 m-3

Pulse length

Up to 60/20 sec at 0.4/0.8 MA respectively

Gas species

D (main), H (minority)

Plasma shape

DN or SN, elongation <2.0 peak (typically upto 1.8), triangularity < 0.8

 

 

 

Heating and current drive system available in 2018 campaign

 

Name

Specification

Contact Person

ECH/ECCD

105/140 GHz, 1-2 MW, steady-state

Joung Mi (whitemi@nfri.re.kr)

NBI/NBCD (D0)

NBI-1 : 5.5 MW @ 100/95/95 keV, 10 s

NBI-1 : 4.0 MW @ 90/80/80 keV, steady-state

NBI-2 : 1.0 MW @ 80 keV, 10 s

Jinhyun Jeong (jhjeong@nfri.re.kr)

 

6. Diagnostics status

Name

Contact Person

Remark

MD (Rogowskii coil, Flux loop, Magnetic field probe, Lock mode coil / Saddle loop, Diamagnetic loop, Mirnov coil, Halo current monitor)

Jun-Gyo Bak (jgbak@nfri.re.kr)

Ÿ Rogowskii coil: 10kA ~1.0MA

Ÿ Flux loop: 45 ch, 1-10V

Ÿ Magnetic field probe: 84 ch, 0.001-0.03T

Ÿ Locked mode coil/Saddle loop: ~ 0.05 Wb

Ÿ Diamagnetic loop: 0.1 – 10mWb

Ÿ Mirnov coil : @ 100 kHz (default)

Ÿ Halo current measurement : 32 ch

FR Langmuir Probe Array

Ÿ 1 ch, scan: 5 cm, Te < 50eV, ne < 5x1017 m-3

Fixed probe array

Ÿ Poloidal profile of ion saturation current (bottom side :default)

Visible cameras 1,2,3

Hanmin Wi(hanmin@nfri.re.kr)

Ÿ 210 fps, 380 fps, 2 kfps

Visible survey spectro.

Nam Jun Kang (namjun@nfri.re.kr)

Ÿ 5 ch / 20 Hz (narrow), 1 ch / 50 ch (wide), 200-800nm

Visible bremsstrahlung

Ÿ Tor. 10 ch, Pol. 7 ch, 10kHz

D-alpha monitor

Ÿ Tor. 20 ch, Pol. 20ch, 20kHz ~ 500kHz (on req.)

Filterscope

Ÿ Tor. 8 ch, Pol 4 ch, (C, O, etc), 20kHz

Thomson scattering

Jong-Ha Lee (jhlee@nfri.re.kr)

Ÿ 27 ch, 20eV~20keV

ECE radiometer

Kyu-Dong Lee (kdlee@nfri.re.kr)

Ÿ 76 ch, 78-162 GHz, 0.1-5 keV

mm-Wave interferometer

June woo Juhn (jwjuhn@nfri.re.kr)

Kwan Chul Lee (kclee@nfri.re.kr)

Yong Un Nam (yunam@nfri.re.kr)

Ÿ Line-integrated density : 5x1017 - 5x1019 m-2

TCI(Two-color interferometer)

Ÿ Up to 3 tangential channels. Tangency radii will be announced again.

Edge reflectometer

Seong-Heon Seo (shseo@nfri.re.kr)

Ÿ 3 ch, (Q, V, and W bands, 7x1019m-3)

CES (charge exchange spectroscopy)

Won-Ha Ko (whko@nfri.re.kr)

Hyungho Lee (jdfm@nfri.re.kr)

Ÿ 100eV-20 keV, 4km/s ~ 500 km/s

Ÿ Tor. 32ch, Pol. 16ch

XICS (X-ray image crystal spectroscopy) 1, 2

Sang Gon Lee (sglee@nfri.re.kr)

Ÿ Te,Ti : 300eV – 4 keV; Vt 10 – 500 km/s (Ar)

MSE

Jinseok Ko (jinseok@nfri.re.kr)

Ÿ 25 ch, q profile

Spectral MSE

Ÿ Dt = 350 msec with 2 Hz, 8 ch

ECEI (electron cyclotron emission imaging) 1, 2

Jaehyun Lee (jaehyun@nfri.re.kr)

Ÿ ECEI 1: Dual poloidal images of Te. Vertical span = 25~50cm. Radial span (total) = 10~25cm, Radial range = 180+/-50cm. Bt range = 1.8~3.5T Sampling rate/span = 500kHz ~ 2MHz (10s~2.5s)

Ÿ ECEI2: Single poloidal image of Te (18.5 deg toroidally separated from ECEI1). Vertical span = 25~50cm. Radial span (total) = 10~25cm, Radial range = 180+/-50cm. Bt range = 1.8~3.5T Sampling rate/span = 500kHz ~ 2MHz (10s~2.5s)

RF Spectrometer

Gunsu Yun (gunsu@postech.ac.kr)

Ÿ Channel (center freq., MHz) : 40, 60, 100, 150, 200, 250, 300, 400, 500, 600, 700, 800

Ÿ BW : 10% of the center freq., dt > 10msec

MIR (microwave imaging reflectometry)

Woochang Lee (wclee@nfri.re.kr)

Ÿ 4 x 16 ch (radial x poloidal)

Ÿ Radial range = center to outer edge (depending on density and Bt). Poloidal coverage ~ 10 cm centered at midplane. Sampling rate = 500 kHz (20 s) – 4 MHz (2.5 s)

BES (beam emission spectroscopy)

Yong Un Nam (yunam@nfri.re.kr)

Ÿ 4 x 16 ch, 1cm2 spatial res., 500kHz bandwidth

Ÿ Measuring position can be adjusted

Soft X-ray array

Juhyuk Jang (jjh4368@kaist.ac.kr)

Ÿ 2 arrays, 16 x 2 ch for tomography, max. 500kS/Sec, detectable X-ray energy range: 1-10 keV

FR Langmuir Probe Array

Jun-Gyo Bak (jgbak@nfri.re.kr)

Ÿ 1 ch, scan: 5 cm, Te < 50eV, ne < 5x1017 m-3

Fixed probe array

Ÿ Poloidal profile of ion saturation current (bottom side :default)

Survey IRTV

Dongcheol Seo (dcseo@nfri.re.kr)

Ÿ 0-1500

Divertor IRTV

Hyungho Lee (jdfm@nfri.re.kr)

Ÿ 1 kHz full frame rate available (frame rate can be increased up to 10 kHz with reduced viewing region)

Ÿ Time resolution or viewing region can be adjusted as requested

AXUV

Seungtae Oh (stoh@nfri.re.kr)

Ÿ In commissioning

X-ray pinhole camera (Gas-Electron Multiplier)

Taemin Jeon (taemin.jeon@kaist.ac.kr)

Ÿ 1212 (effectively 128 pixels), max. 500 fps, Tangential view, Detectable X-ray energy range: 4~15 keV

Fast ion loss detector (FILD)

Junghee Kim (kimju@nfri.re.kr)

Ÿ D+ 40~500 keV, pitch-angle: 10-87o, max. 2000 fps (CMOS), 2 MS/sec (PMT)

Fast ion D-alpha (FIDA)

Ÿ Commissioning, 8 ch / array, 2 arrays, mid-plane tangential views for NBI1

VUV survey spectrometer

Younghwa An (younghwaan@nfri.re.kr)

Ÿ 15 - 60 nm, Time resolution: 10 ms

Hard X-ray monitor

Hee-Soo Kim (hskim21@nfri.re.kr)

Ÿ NaI(Tl) Scintillator

Neutron Diagnostics

Young Seok Lee (yslee@nfri.re.kr)

MunSeong Cheon (munseong@nfri.re.kr)

Hee-Soo Kim (hskim21@nfri.re.kr)

Ÿ He counter 3ch, fission chamber 3ch, neutron spectrometer

Ÿ Neutron camera, flux monitor, activation system


Memorandum for participation in the KSTAR experiment

 

1.   Scope and requirements for participation in KSTAR joint experimental research

 

KSTAR joint experiment research

- As the KSTAR device is utilized as a joint experimental device in which both domestic and international researchers participate, the purposes of the KSTAR device are to resolve salient issues of the world fusion community and to raise the capability of domestic fusion research through it.

- The KSTAR device offers the joint researchers all the required circumstances for the joint experiments to fulfill these purposes.

- The joint researchers can participate in experiments and analyze the obtained data. Furthermore, they can develop, install, and operate equipment such as diagnostics for creative research.

 

Requirements for participation in joint experimental research

- Basically, the KSTAR device supports the collaboration of both domestic and international researchers as much as possible.

- It shall conclude a Memorandum of Understanding (MOU) with each collaborating institution in order to assure the quality of the experiment operations and the outcome of research.

- International and domestic collaborating institutions can also participate in the KSTAR joint experiments.

- Access to KSTAR network and experimental data will be granted after the Non-Disposal Agreement (NDA) is submitted to National Fusion Research Institute (NFRI).

 

Process of participation in joint experiments

- The following two items should be submitted to the NFRI in proposal form:

(1)    A detailed plan of the joint experiments; and

(2)    Names of participating researchers and a list of required resources.

- The KSTAR Experimental Committee (Project management and TF/WG leaders) shall review the submitted proposals, coordinate the KSTAR operation schedule, and assign the resources. If necessary, the committee can request another relevant department to analyze and review the proposals.

  

2.   Support to conduct the KSTAR joint experimental research

 

Support from NFRI

- NFRI offers all available conveniences to external collaborators for successful research.

- Basically, NFRI pays all the expenses accompanied with operation and management of the KSTAR device and the equipment.

- NFRI properly offers the offices and use of internet and telephones which are needed for the long-term stay of external collaborating researchers for the performance of their assignments.

 

Support from joint research institutions

- Responsibility for payment of personnel expenses such as salary, research expenditures, travel expenses, living expenses, and insurance of the researchers who participate in the joint experiments belongs to the assigned institution.

- Basically, all expenses related to installation and development costs of equipment accompanying the joint experiments belong to the relevant research funds and the assigned institution, provided that the expenses concerning the interface to the KSTAR device and the equipment can be supported by NFRI in accordance with the mutual agreement.

- In the case of computers and software required for joint research, the assigned institution provides them as a rule, provided that NFRI’s internal resources can be shared depending on the researcher’s participation or assignment details.

 

3.   Safety supervision of KSTAR joint experiments

     

Access to KSTAR experimental equipment and safety supervision

- During the visits, the participants of joint experiment research are under an obligation to fulfill the NFRI regulations for the security of the KSTAR device and safety supervision.

- NFRI shall offer the orientation required for use of KSTAR research equipment such as electrical, fire, and radiation safety and network security. The external researchers should participate in this orientation.

- As a rule, the researchers and the assigned institution are responsible for all personnel and/or financial losses derived from carelessness of the joint researchers.

 

Quality assurance of the installation of joint experiment equipment

- For installation and utilization of the equipment developed for joint research, it is necessary to have the review and approval of NFRI’s quality control. The external researchers are required to cooperate with this review.

- As a rule, the equipment installed on KSTAR for joint research is open to other researchers who participate in KSTAR joint experimental research.

   

4.   Outcome management of KSTAR joint experimental research

 

Management of experimental data

- All raw data from the experiment belong to NFRI in principle.

- All experimental data from joint research are available to the other KSTAR joint researchers.

 

Conference presentations and submission of papers of the results of joint experimental research

- The right of a joint researcher to be the first author has to be respected for the results of KSTAR joint experimental research.

- The experimental data and the analyzed results from joint experimental research should be investigated and approved through NFRI’s courtesy review prior to public disclosure in addition to the review process of the researcher’s group and assigned institution.

- Although the research is related to the KSTAR device, the research equipment and analysis resources are mainly offered by external institutions, so that the relevant courtesy review can be performed by the relevant institution. (Even in this case, the results from experiments are supposed to be reported to the KSTAR administrative committee without undue delay.)

 

Right of intellectual property derived from the results of joint experiments 

- In principle, NFRI has joint ownership on the right of intellectual property such as patent applications and merchandising of the results from joint experimental research.

- The partition of the right of intellectual property can be coordinated according to the national R&D regulations and mutual agreement between the relevant institutions.

IP : 172.25.20.***
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