A new driving force in phase space of plasma turbulence
| Project/Area Number |
15K14282
|
|---|
| Research Category |
Grant-in-Aid for Challenging Exploratory Research
|
| Allocation Type | Multi-year Fund |
|---|
| Research Field |
Nuclear fusion studies
|
|---|
| Research Institution | Kyushu University |
|---|
Principal Investigator |
Itoh Sanae 九州大学, 応用力学研究所, 教授 (70127611)
|
|---|
| Co-Investigator(Kenkyū-buntansha) |
小菅 佑輔 九州大学, 応用力学研究所, 准教授 (00700296)
伊藤 公孝 核融合科学研究所, ヘリカル研究部, 教授 (50176327)
|
|---|
| Project Period (FY) |
2015-04-01 – 2017-03-31
|
| Project Status |
Completed (Fiscal Year 2016)
|
| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2015: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
|
|---|
| Keywords | 動的応答 / 乱流 / 位相空間 / 加熱と乱流の直接結合 |
|---|
| Outline of Final Research Achievements |
In this research programme, the new driving force of turbulence in phase space is studied, and the relation of this mechanism with the hysteresis in gradient-flux relation is analyzed. A review is published. This theory is extended to study the dependence on the mass number of hydrogen isotope. It is shown that the jump of transport hysteresis (at the on-off of heating power) can be smaller for heavier isotope. Experimental method to identify the transport hysteresis is also advanced. The results are applied to experimental devices in the world. Experimental evidences are established by international collaborations. The physics of transport hesteresis in the core plasma is combined with those at transport barriers. It is also shown that this mechanism can be important in the design of control system of fusion devices.
|
Report
(3 results)
Research Products
(25 results)
-
-
-
-
-
-
-
-
-
-
-
[Journal Article] Strong Destabilization of Stable Modes with a Half-Frequency Associated with Chirping Geodesic Acoustic Modes in the Large Helical Device2016
Author(s)
T. Ido, K. Itoh, M. Osakabe, M. Lesur, A. Shimizu, K. Ogawa, K. Toi, M. Nishiura, S. Kato, M. Sasaki, K. Ida, S. Inagaki, S.-I. Itoh, and the LHD Experiment Group
-
Journal Title
Physical Review Letters
Volume: 116
Issue: 1
Pages: 015002-015002
DOI
NAID
Related Report
Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
-
[Journal Article] Nonlinear Excitation of Subcritical Instabilities in a Toroidal Plasma2016
Author(s)
M. Lesur, K. Itoh, T. Ido, M. Osakabe, K. Ogawa, A. Shimizu, M. Sasaki, K. Ida, S. Inagaki, S.-I. Itoh, and the LHD Experiment Group
-
Journal Title
Physical Review Letters
Volume: 116
Issue: 1
Pages: 015003-015003
DOI
NAID
Related Report
Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
-
-
[Journal Article] A Calibration of Setting of Mach Probes by Observing GAM Oscillations2016
Author(s)
K. Itoh, K. Zhao, J. Dong, S.-I. Itoh, A. Fujisawa, S. Inagaki, M. Sasaki, Y. Nagashima, Y. Kosuga, J. Cheng, T. Kobayashi
-
Journal Title
Plasma and Fusion Research
Volume: 11
Issue: 0
Pages: 1402002-1402002
DOI
NAID
ISSN
1880-6821
Related Report
Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
-
-
-
-
-
-
-
-
-
-
-
[Presentation] Nonlinear destabilization of energetic particle-driven modes2015
Author(s)
M. Lesur, K. Itoh, T. Ido, M. Osakabe, K. Ogawa, A. Shimizu, M. Sasaki, K. Ida, S. Inagaki, S.-I. Itoh
Organizer
8th Festival de Theorie
Place of Presentation
Aix-en-Provence, France
Year and Date
2015-07-17
Related Report
Int'l Joint Research / Invited
