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球涡
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  spherical vortices
     The Tensor Denotation of Beltrami Spherical Vortices and Their Symmetry Analysis
     Beltrami流动的球涡解的张量表示及其对称性分析
短句来源
     Discuss one kind of tensor denotation of nth Beltrami axisymmetric and nonaxisymmetric spherical vortices, their classification and symmetries were discussed. Chaotic phenomena will occur in the dynamic system of the nonaxisymmetric Beltrami spherical vortices.
     讨论了一类Beltrami流动的 n阶球涡 (非轴对称及轴对称 )的张量表示及由此引出的对其的分类和对称性的研究 ,还进一步地讨论了单个此类非轴对称n阶球涡解的混沌现象 ;
短句来源
  “球涡”译为未确定词的双语例句
     A Numerical Study on the Interaction Between a Moving Shock Wave and a Spherical Vortex
     可压缩球涡和平面激波相互作用的数值研究
短句来源
     Different regimes of the shock-vortex interactions were observed during the processes of time progressing in the different ranges of shock Mach number and vortex strength.
     通过改变激波强度Ms和旋涡强度Mv,研究了激波-球涡相互作用的参数依赖关系。
短句来源
     From these aspects, it is shown that the tensor denotation has more meaningful characters and nonaxisymmetric Beltrami shperical vortices are various and very complex.
     从另一侧面说明了非轴对称Beltrami流动的球涡解的复杂性及多样性 ,以及用张量表示的更广的内涵
短句来源
     Combining turbulence physical and geometrical features and computational fluid dynamics results,actual turbulence condition is imported to describe a new computer model for simulating aircraft aero-optical effects on the basis of turbulence sphere model. Then the influence of some optical and turbulence parameters on aero-optical effects are analyzed.
     在湍流球涡模型的基础上,结合湍流物理几何特性和计算流体力学结果,引入真实流场条件,建立了一个新的气动光学效应仿真模型,分析了部分光学系统参数、流场参数对气动光学效应的影响。
短句来源
  相似匹配句对
     Hard Alloy Sphere
     硬质合金
短句来源
     Sphere of inertia
     惯量
短句来源
     A Numerical Study on the Interaction Between a Moving Shock Wave and a Spherical Vortex
     可压缩和平面激波相互作用的数值研究
短句来源
     The Tensor Denotation of Beltrami Spherical Vortices and Their Symmetry Analysis
     Beltrami流动的解的张量表示及其对称性分析
短句来源
     A STUDY OF GROUND VORTEX
     地面研究
短句来源
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  spherical vortices
The general properties of the spherical vortices (SV) ofn-TH order and the chaotic phenomena and of the ordered structures of th
      
The general properties of the spherical vortices (SV) of n-th order are discussed in this paper.
      
The tensor denotation of Beltrami spherical vortices and their symmetry analysis
      
One kind of tensor denotation of nth Beltrami axisymmetric and nonaxisymmetric spherical vortices, their classification and symmetries were discussed.
      
Chaotic phenomena will occur in the dynamic system of the nonaxisymmetric Beltrami spherical vortices.
      
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The interaction of a planar shock wave with a spherical vortex was numerically investigated by solving the unsteady Euler equations using the finite difference method. A compressible spherical vortex was constructed by time-advancing the equations of motion with properly prescribed initial conditions. The planar shock wave was set at a position initially far upstream to the vortex and then moved toward the vortex with its plane perpendicular to the vortex axis. Different regimes of the shock-vortex interactions...

The interaction of a planar shock wave with a spherical vortex was numerically investigated by solving the unsteady Euler equations using the finite difference method. A compressible spherical vortex was constructed by time-advancing the equations of motion with properly prescribed initial conditions. The planar shock wave was set at a position initially far upstream to the vortex and then moved toward the vortex with its plane perpendicular to the vortex axis. Different regimes of the shock-vortex interactions were observed during the processes of time progressing in the different ranges of shock Mach number and vortex strength. In particular, the shock-branching and dramatic vortex deformation were observed for the cases of strong shock-vortex interactions.

行进了可压缩球涡和平面激波相互作用的数值研究。一方面,用非定常Euler方程数值模拟了一种可压缩球涡的自身演化,同时,利用Rankine-Hugoniot关系,在流场中嵌入运动激波,求解了激波-球涡相干的流动过程。通过改变激波强度Ms和旋涡强度Mv,研究了激波-球涡相互作用的参数依赖关系。结果表明:对于不同的参数范围,波-涡相干的流场结构也出现几种不同的形式。其中,强激波和强涡球的相互作用会导致激波分叉和旋涡强烈畸变等复杂流动现象。

Discuss one kind of tensor denotation of nth Beltrami axisymmetric and nonaxisymmetric spherical vortices, their classification and symmetries were discussed. Chaotic phenomena will occur in the dynamic system of the nonaxisymmetric Beltrami spherical vortices. From these aspects, it is shown that the tensor denotation has more meaningful characters and nonaxisymmetric Beltrami shperical vortices are various and very complex.

讨论了一类Beltrami流动的 n阶球涡 (非轴对称及轴对称 )的张量表示及由此引出的对其的分类和对称性的研究 ,还进一步地讨论了单个此类非轴对称n阶球涡解的混沌现象 ;从另一侧面说明了非轴对称Beltrami流动的球涡解的复杂性及多样性 ,以及用张量表示的更广的内涵

Based on the creeping flow hypothesis,the velocity distributions around the bubble in the electric field were calculated and compared with the velocity distributions around the bubble in the flow without the electric field in this paper.The results show only two eddies formed inside the bubble when there is no electric field.The average velocity increases and four eddies formed inside the bubble with the electric field.Therefore the electric field could be used to enhance the flow.The imposed electric field...

Based on the creeping flow hypothesis,the velocity distributions around the bubble in the electric field were calculated and compared with the velocity distributions around the bubble in the flow without the electric field in this paper.The results show only two eddies formed inside the bubble when there is no electric field.The average velocity increases and four eddies formed inside the bubble with the electric field.Therefore the electric field could be used to enhance the flow.The imposed electric field leads to the increase of the fluid movement inside the bubble and enhances the microlayer evaporation at the bottom of the bubble during the nucleate boiling heat transfer.

在蠕动流假设的基础上计算了电场作用下气泡内外的速度场分布,并与无电场作用但有来流时气泡内外的速度场进行了比较。结果表明,无电场作用时,来流速度只能使气泡内部形成两个球涡,而作用电场后即使无来流,气泡内部的流体运动仍然加剧,可以形成四个球涡。这表明外电场作用也有利于加剧气泡内部流体的运动,从而有助于核态沸腾换热过程中气泡底部微液层液体的蒸发。

 
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