助手标题  
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
   mhd theory 的翻译结果: 查询用时:0.008秒
图标索引 在分类学科中查询
所有学科
地球物理学
物理学
更多类别查询

图标索引 历史查询
 

mhd theory
相关语句
  磁流体理论
     It has been shown numerically that both gyro-radius of ion and trapped particles have stabilizing effects on ballooning-mode, whereas the collision term has the destabilizing effect besides, the kinetic theory reproduces the results given in Ideal MHD theory, i.e. the shear can improve the stability of ballooning-mode.
     流体极限下的数值结果表明,离子有限拉莫尔半径、捕获粒子对气球模起稳定作用,碰撞则对气球模起解稳作用。 此外,动力理论也得出了磁流体理论关于剪切能改善气球模稳定性的结论。
短句来源
  “mhd theory”译为未确定词的双语例句
     Some key problems for application of MHD to a 12 t─6.3 MVA DC arc furnace have been studied based on basic MHD theory.
     应用电磁流体力学的基本理论,研究了一台12t─6.3MVA直流电弧炉内与电磁流体力学有关的几个重要问题。
短句来源
     Based on MHD theory, mathematical model of fluid flow in the mould installed electromagnetic field was established; SIMPLE code for computing fluid field was programmed using Visual C++6.0 software, adopting interleaving mesh and iterative routine of line-by-line with block amendment; the effects of level magnetic field (LMF) on metal fluid flow were researched.
     依据磁流体动力学理论,建立了电磁控制下铸型内金属液流动的数学模型,使用交错网格技术和块修正的行迭代方法,用VC++6.0编制了流场计算的SIMPLE程序,研究了水平电磁场对金属液流动的影响。
短句来源
     This part has mainly presented structure and fabrication design of MHD micropump based on MHD theory and planar microfabrication technology, basic theoretical research, the fabrication experiments, performance experiments research on MHD micropump.
     这一部分主要阐述了基于磁流体推进机理与平面微加工工艺的磁流体推进式微型泵的设计,初步理论研究,加工制作试验与初步性能试验研究。
短句来源
     By means of MHD theory, it is pointed out that the splited phenomenon results from the space plasma turbulence.
     本文用MHD的理论,讨论和分析了这种现象,认为这是一种空间等离子体扰动所产生的结果.
短句来源
     Then within the framework of MHD theory,the eigenvalue equation and the dispersion relation are derived for the electrostatic ~ perturbation of the electron beam.
     然后运用 MHD 方程,求得电子束静电扰动的本征方程和色散关系。
短句来源
更多       
  相似匹配句对
     theory.
     理论计算得理论图。
短句来源
     theory.
     这些概念和理论为不确定性信息理论奠定了基础.
短句来源
     The suppression role of the ac current on the MHD perturbations was analyzed in theory and proved numerically.
     关于交变电流对MHD扰动的抑制作用,从理论上作了分析并从数值上加以证明。
短句来源
     This paper focuses on elucidationg MHD in models of flare theory and the problems in connection with it.
     着重讨论了耀斑理论模型中的磁流体力学方面的问题,并指出了其存在的问题。
短句来源
查询“mhd theory”译词为用户自定义的双语例句

    我想查看译文中含有:的双语例句
例句
为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。
  mhd theory
The distributions of these nonvanishing ?v? events are associated with large amplitude variations of the magnetic field at frequencies up to and exceeding the local Larmor frequency where MHD theory is not valid.
      
No currents and magnetic fields are generated, rendering ideal MHD theory not very useful for space plasmas.
      
Questions have been raised from the beginning of the space era whether MHD theory can describe correctly space plasmas that are collisionless and rarely in thermal equilibrium.
      
Magnetohydrodynamic (MHD) theory has been used in space physics for more than forty years, yet many important questions about space plasmas remain unanswered.
      
For MHD theory to hold the net E∥ must be small; this usually seems to happen (because MHD often does hold), but not always.
      
更多          


We have studied the kinetic effects on ballooning-mode more completely from the gyro-kinetic theory. Here we have consideres the effects of the following factors, i. e., collision, hot-ion components such as neutral beam injection or fusion α-particles, particle diamagnetitc drift, ion gyro-radius ,as well as trapped particles. It has been shown numerically that both gyro-radius of ion and trapped particles have stabilizing effects on ballooning-mode, whereas the collision term has the destabilizing effect...

We have studied the kinetic effects on ballooning-mode more completely from the gyro-kinetic theory. Here we have consideres the effects of the following factors, i. e., collision, hot-ion components such as neutral beam injection or fusion α-particles, particle diamagnetitc drift, ion gyro-radius ,as well as trapped particles. It has been shown numerically that both gyro-radius of ion and trapped particles have stabilizing effects on ballooning-mode, whereas the collision term has the destabilizing effect besides, the kinetic theory reproduces the results given in Ideal MHD theory, i.e. the shear can improve the stability of ballooning-mode.

本文从迴旋动力理论出发,较全面地研究了碰撞、热离子成分(中性束热离子或聚变α粒子)、粒子逆磁漂移、粒子拉莫尔半径和粒子捕获等动力效应对耗散气球模的影响。流体极限下的数值结果表明,离子有限拉莫尔半径、捕获粒子对气球模起稳定作用,碰撞则对气球模起解稳作用。此外,动力理论也得出了磁流体理论关于剪切能改善气球模稳定性的结论。

In this paper, the splited phenomenon of plasma rays or streamers is already discussed. By means of MHD theory, it is pointed out that the splited phenomenon results from the space plasma turbulence. A qualitative analysis is given in the article, and a quantitative analysis-as well. Thus the splited phenomenon of rays in plasma tail, is explained reasonably.

等离子体Ⅰ型彗尾流线的断裂,已多次被人们见到.本文用MHD的理论,讨论和分析了这种现象,认为这是一种空间等离子体扰动所产生的结果.本文作了定性的分析,及定量的计算,比较满意地解释了这种彗尾中的观测现象.

Effect of LHCD(low hybrid current drive) on tearing mode instability is investigated through both kinetic and MHD approaches. In linear kinetic theory, the response of the fast electrons driven by LHCD to the tearing mode perturbations results in reductions of both the growth rate and the width of the perturbative layer of tearing mode in collisional as well as semi-collisional regimes. From MHD theory and LHCD simulation in tokamak geometry,it is shown that LHCD leads to both modification...

Effect of LHCD(low hybrid current drive) on tearing mode instability is investigated through both kinetic and MHD approaches. In linear kinetic theory, the response of the fast electrons driven by LHCD to the tearing mode perturbations results in reductions of both the growth rate and the width of the perturbative layer of tearing mode in collisional as well as semi-collisional regimes. From MHD theory and LHCD simulation in tokamak geometry,it is shown that LHCD leads to both modification of the current profile and outward shift of the rational surfaces and hence to variation of A of the tearing mode . mostly LHCD plays a stabilizing role against tearing modes. However under some conditions considered,LHCD can stabilize tearing modes in higher-qa plasma while destabilize it in low-er-qa case,which is in a qualitative agreement with some experimental observation.

用动力论和磁流体两个途径研究了低杂波驱动电流(LHCD)对撕裂模不稳定性的影响。线性动力论的结果表明:在碰撞区,由低杂波驱动出的快电子对撕裂模扰动的响应,导致了撕裂模的增长率和扰动层宽度的减小。从对托卡马克条件下低杂波驱动电流的数值模拟及解磁流体撕裂模方程可得出,低杂波驱动电流引起电流分布的变化并使有理面移动,从而导致撕裂模的Δ′值的变化。在多数情况下,撕裂模会因低杂波驱动电流而被抑制。但在文中所示的参数下,低杂波驱动电流在较高q_a值的等离子体中对撕裂模起增稳作用;而在较低q_a值的等离子体中有失稳作用。这一结果与实验观测结果定性相符。

 
<< 更多相关文摘    
图标索引 相关查询

 


 
CNKI小工具
在英文学术搜索中查有关mhd theory的内容
在知识搜索中查有关mhd theory的内容
在数字搜索中查有关mhd theory的内容
在概念知识元中查有关mhd theory的内容
在学术趋势中查有关mhd theory的内容
 
 

CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
版权图标  2008 CNKI-中国知网
京ICP证040431号 互联网出版许可证 新出网证(京)字008号
北京市公安局海淀分局 备案号:110 1081725
版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社