Spontaneous Ion Temperature Gradient in Inhomogeneous Magnetic Fields and Its Effect on the Parallel Heat Transport

Satoshi TOGO; Tomonori TAKIZUKA; Mizuki SAKAMOTO; Naomichi EZUMI; Yuichi OGAWA; Kenzo IBANO; Kunpei NOJIRI; Takaaki IIJIMA; Yosuke KINOSHITA; Toshiki HARA; Yousuke NAKASHIMA

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Spontaneous Ion Temperature Gradient in Inhomogeneous Magnetic Fields and Its Effect on the Parallel Heat Transport

机译：非均匀磁场中的自发离子温度梯度及其对平行传热的影响

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A new closure model for the parallel conductive heat flux of the perpendicular component of ion energy ( q subi,⊥/sub) is proposed which considers the effect of the spontaneous parallel gradient of the perpendicular ion temperature in inhomogeneous magnetic fields. Profiles of plasma parameters and the particle confinement efficiency are compared between the new q subi,⊥ /submodel and a conventional one in a simple mirror system. It is found that the conservation of the magnetic moment is reproduced with the new q subi,⊥ /submodel. Comparisons of ion power flux profiles show that the new q subi,⊥ /submodel changes the direction of q subi,⊥ /subkeeping the spontaneous parallel gradient of the perpendicular ion temperature. Almost linear relations between the particle confinement time and the ion-ion Coulomb collision time are also obtained with both q subi,⊥ /submodels.

机译：提出了一种新的闭合模型，该模型考虑了垂直离子温度的自发平行梯度在非均匀磁场中的影响，该闭合模型对离子能量的垂直分量（q _{i，⊥）的平行传导热通量具有影响。。在新的q _{i，q 模型和传统的q _{i，⊥模型之间，在简单的镜像系统中比较了等离子体参数的分布和粒子限制效率。发现新的q _{i，⊥模型再现了磁矩的守恒。离子功率通量分布图的比较表明，新的q _{i，⊥模型改变了q _{i，⊥的方向，从而保持了垂直离子温度的自发平行梯度。使用q _{i，⊥两个模型也都获得了粒子约束时间和离子-库仑碰撞时间之间的几乎线性关系。}}}}}}}

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《Plasma and Fusion Research》 |2019年第4期|共1页
作者
Satoshi TOGO; Tomonori TAKIZUKA; Mizuki SAKAMOTO; Naomichi EZUMI; Yuichi OGAWA; Kenzo IBANO; Kunpei NOJIRI; Takaaki IIJIMA; Yosuke KINOSHITA; Toshiki HARA; Yousuke NAKASHIMA;
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中图分类等离子体物理学;
关键词
plasma fluid modelclosure modelconductive heat fluxion temperature anisotropyinhomogeneous magnetic fieldmirror effectmagnetic moment;

机译：等离子体流体模型闭合模型传导热通量温度各向异性非均匀磁场镜面效应磁矩;

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1. Numerical modeling of the thermal force in a plasma for test-ion transport simulation based on a Monte Carlo Binary Collision Model (II) - Thermal forces due to temperature gradients parallel and perpendicular to the magnetic field [J] . Homma Y., Hatayama A. Journal of Computational Physics . 2013,第Null期

机译：基于Monte Carlo二元碰撞模型（II）的用于测试离子迁移模拟的等离子体中热力的数值建模-由于温度梯度平行和垂直于磁场而产生的热力
2. Electron transport in carbon tetrafluoride along a magnetically neutral plane between constant gradient antiparallel magnetic fields [J] . Sugawara H, Sakai Y Journal of Physics, D. Applied Physics: A Europhysics Journal . 2008,第13期

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3. Magnetic field generation by ion acoustic waves in an inhomogeneous plasma with temperature gradient [J] . Ghanshyam, V K Tripathi The Indian journal of physics, Part B . 2004,第1期

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4. Electron transport in carbon tetrafluoride along a magnetically neutral plane between constant gradient antiparallel magnetic fields [C] . Hirotake Sugawara, Yosuke Sakai International Conference on Fine Particle Magnetism . 2008

机译：碳四氟化碳的电子传输沿恒定梯度反平行磁场之间的磁性中性平面
5. Electrical transport in ultrathin films of a-bismuth at low temperatures and high magnetic fields near the superconductor -insulator transition. [D] . Hernandez, Luis Manuel. 2002

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6. Absolute Quantification of Human Liver Phosphorus-Containing Metabolites In Vivo Using an Inhomogeneous Spoiling Magnetic Field Gradient [O] . Adil Bashir, Robert Gropler, Joseph Ackerman 2010

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7. Spontaneous Ion Temperature Gradient in Inhomogeneous Magnetic Fields and Its Effect on the Parallel Heat Transport [O] . Satoshi TOGO, Tomonori TAKIZUKA, Mizuki SAKAMOTO, 2019

机译：非均匀磁场中的自发离子温度梯度及其对平行热传输的影响
8. Computation of Electromagnetic Fields Inside Strongly Inhomogeneous Objects Usingthe Weak Conjugate Gradient FFT Method [R] . Zwamborn, A. P. M., van den Berg, P. M. 1993

机译：用弱共轭梯度FFT法计算强非均匀物体内的电磁场

Spontaneous Ion Temperature Gradient in Inhomogeneous Magnetic Fields and Its Effect on the Parallel Heat Transport

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