瑞利泰勒不稳定性
- 网络Rayleigh-Taylor instability
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分析了二维情况下平面几何、柱几何和球几何中瑞利泰勒不稳定性发生非线性偏离的阈值问题,给出了三种几何中密度扰动振幅的定义,以及与界面扰动振幅的关系。
Nonlinear threshold of two dimensional Rayleigh Taylor ( RT ) instability is analyzed in planar and cylindrical and spherical geometries .
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轴向剪切流对Z箍缩等离子体瑞利-泰勒不稳定性的抑制
The mitigation effect of sheared axial flow on the Rayleigh-Taylor instability in Z-pinch plasma
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金属丝阵列Z箍缩装置中的瑞利-泰勒不稳定性
Preliminary study of Rayleigh-Taylor instability in wire-array Z-pinch
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利用Stuart弱非线性理论的方法对烧蚀瑞利-泰勒不稳定性的弱非线性增长规律进行了研究。
The weakly nonlinear growth of ablative Rayleigh-Taylor instability is studied using the weakly nonlinear theory by Stuart .
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与DNS的结果对比表明:当非线性作用相对较强时,改进方法的高阶展开,在一定程度上能更准确的描述烧蚀瑞利-泰勒不稳定性的演化规律。
The compassion with direct numerical simulation shows that : when the nonlinear effect is relatively stronger , the new method can describe the ablative Rayleigh-Taylor instability more accurately in a certain sense .
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瑞利-泰勒不稳定性中尺度效应的数值模拟研究
Numerical study on the Rayleigh-Taylor instability with various initial length scale
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瑞利-泰勒不稳定性的格子玻耳兹曼模拟
Simulation of Rayleigh Taylor instability by the lattice Boltzmann model
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球壳结构馈通增长的瑞利-泰勒不稳定性
Rayleigh-Taylor Instability of Feedthrough Growth in a Spherical Shell Geometry
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不可压结构聚合运动耦合增长的瑞利-泰勒不稳定性研究
Rayleigh-Taylor Instability of Feedthrough Growth In an Incompressible Convergent Geometry
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二维不可压流体瑞利-泰勒不稳定性的非线性阈值公式
Nonlinear threshold of two-dimensional Rayleigh-Taylor growth for incompressible liquid
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三维激光烧蚀瑞利-泰勒不稳定性并行计算
Three-dimensional parallel computation of laser ablative Rayleigh-Taylor instability
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瑞利-泰勒不稳定性的实验研究及数值模拟
Experimental and Numerical Study of Rayleigh-Taylor Instabilities
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利用流动稳定性的线性理论研究了烧蚀瑞利-泰勒不稳定性的线性增长规律。
The linear growth of the ablative Rayleigh-Taylor instability is studied using the linear stability theory .
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数值计算日本大阪大学激光烧蚀瑞利-泰勒不稳定性实验,再现了实验结果。
Our numerical simulation reproduced the experimental result of laser ablative Rayleigh-Taylor instability in Osaka University .
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高温烧蚀初始印记及其瑞利-泰勒不稳定性发展的研究
Imprinting and consequent Rayleigh-Taylor growth
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如果将密度指数分布的致稳作用和可压缩性对瑞利-泰勒不稳定性的影响区别开来,就可以很清晰的得出可压缩性对瑞利-泰勒不稳定性的退稳作用。
One can definitely obtain the destabilizing effect of compressibility by eliminating the stabilizing effect of density distribution .
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瑞利-泰勒不稳定性线性增长的密度梯度致稳用改进的不连续蔗糖密度梯度离心法分离到五条带。
Variational approach for linear growth rate of Rayleigh-Taylor instability with continuous density profile Five zones were separated by improved discontinuous sucrose gradient centrifugation .
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发现了横向电子热传导烧蚀在长波长扰动的非线性瑞利-泰勒不稳定性演变中起重要作用。
It is discovered that lateral ablation of electron conduction plays an important role in nonlinear evolution of the Rayleigh-Taylor instability with a longer wavelength .
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发现磁场效应对瑞利-泰勒不稳定性有强烈的致稳作用,特别是当扰动波长比较短的时候。
It is found that the magnetic field effects strongly reduce the linear growth rate of the RTI , especially when the perturbation wavelength is short .
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本文采用流动稳定性的线性和弱非线性理论,对预热条件下激光烧蚀面上的瑞利-泰勒不稳定性问题进行了研究。
In this paper , hydrodynamic linear stability theory and weakly nonlinear theory are adopted to study the Rayleigh-Taylor instability at the laser ablation front in the preheat case .
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在流体力学中,如果流体表面的形状被设计成凹形,那么由于压力的作用,就会产生瑞利-泰勒不稳定性,并且发生射流现象。
In fluid mechanics , if the fluid surface is designed to concave shape , then as pressure , will produce Rayleigh-Taylor Instability , and the occurrence of jet phenomena .
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通过解析推导得到了两种典型的磁场和密度过渡层对应的瑞利-泰勒不稳定性线性增长率解析表达公式。
The transition layers of magnetic field and density with two different typical profiles are studied and the analytic expressions of the linear growth rate of the RTI , are obtained .
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球面调制靶是一种具有特殊构型的激光聚变靶,它对于研究惯性约束聚变(ICF)实验中的瑞利-泰勒流体不稳定性具有重要意义。
Micro-spheres perturbation target is a kind of laser target which has special constitution . And it is significant for the research on Rayleigh-Taylor Unstability in the ICF ( Inertial Confinement Fusion ) experiment .
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介绍了用于侧照明实验研究瑞利-泰勒流体力学不稳定性(Rayleigh-Taylorinstability)实验的聚苯乙烯和铝平面调制微靶的制备工艺。
This paper introduces fabrication of polystyrene and aluminum surface perturbation targets used for flank illumination Rayleigh-Taylor instability experiment .
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结果表明,轴向剪切流能够在较大的范围内减缓或抑制瑞利泰勒(RT)不稳定性的增长,但同时也会激发低频扰动的开耳文亥姆霍兹(KH)模。
It is found that , the sheared axial flow can mitigate and even stabilize the Rayleigh-Taylor ( RT ) instability in a large wavenumber region ( for normalized wavenumber K > 2.4 ), but it also makes Kelvin-Helmholtz ( KH ) instability grow fast .
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研究瑞利-泰勒流体力学不稳定性的实验用靶
Surface Perturbation Target for the Study of Rayleigh-Taylor Instability