Self-Organized Criticality Theory Model of Thermal Sandpile
A self-organized criticality model of a thermal sandpile is formulated for the first time to simulate the dynamic process with interaction between avalanche events on the fast time scale and diffusive transports on the slow time scale. The main characteristics of the model are that both particle and...
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| Veröffentlicht in: | Chinese physics letters 2015-09, Vol.32 (9), p.79-83 |
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| container_title | Chinese physics letters |
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| creator | 彭晓东 曲洪鹏 许健强 韩最蛟 |
| description | A self-organized criticality model of a thermal sandpile is formulated for the first time to simulate the dynamic process with interaction between avalanche events on the fast time scale and diffusive transports on the slow time scale. The main characteristics of the model are that both particle and energy avalanches of sand grains are considered simultaneously. Properties of intermittent transport and improved confinement are analyzed in detail. The results imply that the intermittent phenomenon such as blobs in the low confinement mode as well as edge localized modes in the high confinement mode observed in tokamak experiments are not only determined by the edge plasma physics, but also affected by the core plasma dynamics. |
| doi_str_mv | 10.1088/0256-307X/32/9/094501 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0256-307X |
| ispartof | Chinese physics letters, 2015-09, Vol.32 (9), p.79-83 |
| issn | 0256-307X 1741-3540 |
| language | eng |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link; Alma/SFX Local Collection |
| subjects | Avalanches Computer simulation Confinement Plasma dynamics Sand Time Tokamak devices Transport 临界理论 托卡马克实验 时间尺度 沙堆模型 等离子体动力学 等离子体物理 自组织临界 间歇现象 |
| title | Self-Organized Criticality Theory Model of Thermal Sandpile |
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