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collisionless shock
相关语句
  无碰撞激波
     MULTIPLE ION WAVE AND He~(2+) HEATING AT PERPENDICULAR COLLISIONLESS SHOCK
     垂直无碰撞激波中多离子波动和He~(2+)加热
短句来源
     The interaction between space plasma and a high Alfven-Mach number perpendicular collisionless shock using a hybird simulation is numerically studied.
     应用混合模拟方法数值研究了高Alfven—Mach数垂直无碰撞激波与等离子体间的相互作用。
短句来源
     SIMULATION OF SPACE COLLISIONLESS SHOCK WITH IDEAL MHD EQUATIONS
     无碰撞激波的理想MHD模拟
短句来源
     Due to the reflection by collisonless shock, ion beam can be formed in upstream of collisionless shock.
     由于很大一部分来自激波上游的粒子被激波面所反射,因此在准平行无碰撞激波的上游存在着等离子体束流.
短句来源
     INTERACTION BETWEEN INTERPLANETARY STRUCTURE AND PERPENDICULAR COLLISIONLESS SHOCK
     行星际结构与垂直无碰撞激波的相互作用
短句来源
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  相似匹配句对
     shock;
     ②休克;
短句来源
     Shock
     休克
短句来源
     THE HYBRID SIMULATION OF QUASI-PARALLEL COLLISIONLESS SHOCK
     准平行无碰撞激波的混合模拟
短句来源
     SIMULATION OF SPACE COLLISIONLESS SHOCK WITH IDEAL MHD EQUATIONS
     无碰撞激波的理想MHD模拟
短句来源
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  collisionless shock
A whole class of structures is found which are formed when the discontinuities decay into two simple collisionless shock waves without forming a plateau between them.
      
The width of one of the collisionless shock waves decreases with an increase in the parametera which determines the magnitude of the field discontinuity when overturning occurs.
      
Conditions are obtained which are similar to the Rankine-Hugoniot adiabats for passage through the collisionless shock waves.
      
The structures of the collisionless shock waves are constructed for different initial conditions of the nonlinear wave.
      
If only one Riemann invariant changes in the region of the collisionless shock waves, the waves are simple.
      
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The interaction between space plasma and a high Alfven-Mach number perpendicular collisionless shock using a hybird simulation is numerically studied. The results show that in the upstream the magnetic field is very stable, and the distribution of the proton is nearly a Maxwell distribution. In the downstream the magnetic field eaists the irregular turbulence. The distribution of protons has a high energy tail and few protons 4ie reflected. Following some protons with high velocity, it is found that at...

The interaction between space plasma and a high Alfven-Mach number perpendicular collisionless shock using a hybird simulation is numerically studied. The results show that in the upstream the magnetic field is very stable, and the distribution of the proton is nearly a Maxwell distribution. In the downstream the magnetic field eaists the irregular turbulence. The distribution of protons has a high energy tail and few protons 4ie reflected. Following some protons with high velocity, it is found that at t=40Ω about 40% of protons are reflectal by shock, and 7% of protons are accekerated(maximum velvcity up to 20VA). The electric field in shock region has gureat influence on the deceleration and acceleration of protons.

应用混合模拟方法数值研究了高Alfven—Mach数垂直无碰撞激波与等离子体间的相互作用。结果表明,激波上游的磁场非常稳定,粒子分布近似为Maxwell分布。激波下游磁场存在不规则的湍动,质子分布有一个高能尾,且有些质子被激波反射。跟踪少量高速质子的计算结果表明,在t=40Ω时约有40%的质于被激波反射,而7%质子可被加速,最大速度值可达到20VA激波区的电场分布对质子的减速或加速起了主要的作用。

By using an one-dimensional hybrid code, He2+ motion and heating at high Alfven-Mach number perpendicular collisionless shock are studied numerically. The results show that multiple ion wave forms at the shock front and propagates toward the downstream from the shock. Its effect on He2+ heating is important. He2+ heating processes maybe include two stages; the first is due to the ion cyclotron waves and mirror waves driven by ion temperature anisotropies, then, the interaction between He2+...

By using an one-dimensional hybrid code, He2+ motion and heating at high Alfven-Mach number perpendicular collisionless shock are studied numerically. The results show that multiple ion wave forms at the shock front and propagates toward the downstream from the shock. Its effect on He2+ heating is important. He2+ heating processes maybe include two stages; the first is due to the ion cyclotron waves and mirror waves driven by ion temperature anisotropies, then, the interaction between He2+ and multiple ion wave leads He2+ heating until the higher temperature.

应用一维混合模拟方法数值研究了高Alfven-Mach数垂直无碰撞激波中He2+的运动及其加热机制.结果表明,在激波面处将会产生向下游传播的多离子波动,它对He2+加热有着重要影响.He2+的加热过程可能包含两个阶段,由于质子温度各向异性激发的质子回旋波和镜波先使He2+加热,而He2+与多离子波动相互作用进一步使He2+加热到更高的温度.

By using an one-dimension hybrid code, the intenation between two kinds ofinterpanemp structure-the reverse magnehc field and the plasmoid with highdensity, and perpendicular collisionless shock is studed numerically The results showthat as the magnetic field on upstream of a shock reverses the magnetic field indownstream changes its sign gradually and the stronger turbulence is formed in thedistributions of plasma density and velocity. The parameter in upstream anddownstream of the shock...

By using an one-dimension hybrid code, the intenation between two kinds ofinterpanemp structure-the reverse magnehc field and the plasmoid with highdensity, and perpendicular collisionless shock is studed numerically The results showthat as the magnetic field on upstream of a shock reverses the magnetic field indownstream changes its sign gradually and the stronger turbulence is formed in thedistributions of plasma density and velocity. The parameter in upstream anddownstream of the shock still satisfy the Rankine-Hugoniot relation. When theplasmoid with high plasma density passes through perpendicular collisioniess shock, apart of protons is reflected, the others are accelerated by shock and enter thedownstream. Since that the distribution of proton velocity in the downstream is innon-Maxwell distribution, the stronger turbulence is also excited.

应用一维混合模拟方法数值研究了两种行星际结构──反向磁场和高密度等离子团与垂直无碰撞激波的相互作用.结果表明,随着激波上游区磁场的反向,下游区磁场将逐渐改变符号,且等离子体密度和速度分别呈现较强的湍动.激波上游和下游的物理量依然满足Rankine-Hugonoit关系.当高密度的等离子体团通过垂直无碰撞激波时,部分质子被激波反射,部分质子被加速并进入下游区域.由于质子速度分布为非Maxwell分布,在激波下游也激发出较强的湍动.

 
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