磁声波
- 网络magneto-acoustic waves;magnetosonic wave
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这样,快磁声波在尾瓣中几乎不衰减,而在等离子体片中很快衰减,将波动能量耗散在等离子体片中使等离子体加热或者粒子加速。
Hence , the fast magnetosonic waves dissipate very little in the tail lobe and decay rapidly in the plasma sheet , where the wave energies are converted into heat and kinetic energy of the particles .
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太阳附近形成的慢激波-快磁声波系统,将在向外传播的过程中演变为以中间激波作为必要组成部分的混合激波。
A slow shock-fast magnetosonic wave system formed near the sun evolves into a hybrid shock with an intermediate shock as its necessary component while propagating outward .
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我们在1997年11月2日的爆发中发现平均周期为数十ms的准周期振荡群。在高密度流管的磁声波MHD振荡条件下,可取得磁环半径约90公里的结果。
A quasi period pulsation cluster with the average period of 37 msec was found in the microwave burst on Nov.2 , 1997 . For magnetoacoustic MHD oscillations of dense flux tubes , it can be deduced that the radius of the loops is about 90 km .
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空间尘埃等离子体中尘粒电荷的相关涨落对尘埃磁声波的影响
Influence of charge fluctuation on dust Magnetoacoustic wave in space dust plasma
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分层介质中快磁声波的传播
Propagation of fast MHD waves in stratified medium
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结果表明,在极区,压力脉冲导致的扰动传播可以区分成两类不同模式的波动;快磁声波与慢磁声波。
Numerical results indicate that , in polar region , propagating disturbances can be distinguished into two modes , i.e. fast and slow magneto-acoustic waves .
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理论解析表明,运用交变电磁力在液体金属内生成的磁声波的强度和所施加的静磁场的磁感应强度和交流电流的电流密度的乘积成正比;
The theoretical analysis shows that the intensity of the generated waves is in proportion to the product of the imposed static magnetic field and alternating electrical current .
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而在赤道附近,传播扰动是快模磁声波,在源区附近还存在一非传播的扰动。
Whereas in the vicinity of solar equator , propagating disturbance is regarded as fast mode wave , and a standing disturbance is found to be located near the source region .
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静磁波与声波的互作用研究
A Research on Interaction between Magnetostatic and Acoustic Waves
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声波检测作为混凝土无损检测的重要方法之一,日益成为工程检测领域的热点,稀土超磁伸缩换能器声波震源作为新型的声波检测手段受到国内外的广泛关注。
The acoustic wave testing is an important method of concretes nondestructive inspection , and attach more and more attention . The rare earth gaint magnetostrictive transducer as a new nondestructive testing method catch worldwide attention .
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磁层中哨声波与电子的相互作用
Interaction between Whistler mode wave and the electrons in the magnetosphere