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晃动力学
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  sloshing dynamics
     The sloshing dynamics of an arbitrary axisymmetric rigid tank is investigated under low-gravity conditions, and an equivalent mechanical model theory is analyzed in this paper.
     本文研究了微重状态下任意旋转对称容器内液体晃动力学问题,分析给出了液体晃动的等效力学模型。
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  “晃动力学”译为未确定词的双语例句
     Identification of Mechanical Parameters of Sloshed Liquid
     液体晃动力学参数的辨识
短句来源
     FREQUENCY DOMAIN METHOD OF IDENTIFYING MECHANICAL PARAMETERS OF SLOSHING LIQUID
     辨识液体晃动力学参数的频域法
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  相似匹配句对
     Identification of Mechanical Parameters of Sloshed Liquid
     液体动力学参数的辨识
短句来源
     Dynamics of Rational Functions
     有理函数的动力学
短句来源
     Dynamics of Enzyme Catalysis
     酶催化动力学
短句来源
     FREQUENCY DOMAIN METHOD OF IDENTIFYING MECHANICAL PARAMETERS OF SLOSHING LIQUID
     辨识液体动力学参数的频域法
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  sloshing dynamics
The mathematical formulation of sloshing dynamics for a partially liquid filled dewar container driven by the gravity jitter acceleration associated with slew motion is studied.
      
The results indicate that the multidimensional modal method is a very good tool for solving liquid nonlinear sloshing dynamics and will be developed to investigate more complex sloshing problem in our following work.
      
Sloshing dynamics modulated cryogenic helium fluids driven by gravity gradient or jitter accelerations associated with slew moti
      
The numerical computation of sloshing dynamics is based on the non-inertia container bounded frame and the solution of time-dependent, three-dimensional partial differential equations subjected to the initial and boundary conditions.
      
This study discloses that the capillary effect of sloshing dynamics governs the liquid-vapor interface fluctuations driven by the gravity gradient or jitter accelerations associated with slew motion in a microgravity environment.
      
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A new method for determining mechanical parameters of sloshed liquid is presented, A mechanical model and its finite difference equations for such liquid and moving container are constituted. During liquid sloshing the signals of the moving container are measured. Generalized least square estimation is used for processing measured data. Mechanical parameters of sloshed liquid are obtained finally. The parameters determined by this method are fairly consistent with the results of theoretical calculation and other...

A new method for determining mechanical parameters of sloshed liquid is presented, A mechanical model and its finite difference equations for such liquid and moving container are constituted. During liquid sloshing the signals of the moving container are measured. Generalized least square estimation is used for processing measured data. Mechanical parameters of sloshed liquid are obtained finally. The parameters determined by this method are fairly consistent with the results of theoretical calculation and other experimental method.

提出一种确定液体晃动力学参数的新方法。建立晃动液体和运动容器的力学模型和它的差分方程,实测液体晃动时充液容器运动的信号,采用广义最小二乘法处理试验数据,估计出液体晃动的力学参数。用此种辨识方法获得的液体晃动的主频率和参预基频晃动液体的等效质量与理论计算和共振试验法得到的结果基本一致。

The sloshing dynamics of an arbitrary axisymmetric rigid tank is investigated under low-gravity conditions, and an equivalent mechanical model theory is analyzed in this paper. The discretization of boundary curves is used during the design of calculation-programme. The method of calculation is simpler than the finite-element method or finite-difference method, the numerical results are compared with the ones of Chu Wen-Hua and Mi-kishev G.H.

本文研究了微重状态下任意旋转对称容器内液体晃动力学问题,分析给出了液体晃动的等效力学模型。本文编制的程序适用于任意旋转对称容器,采用边界曲线离散化,具有输入数据简单,计算CPU时间较少等特点。为有关晃动的工程设计提供了可靠的参考软件。

The mathematical formulation of sloshing dynamics for a partially liquid filled dewar container driven by the gravity jitter acceleration associated with slew motion is studied. Explicit mathematical expressions to manage jitter acce-leration associated with slew motion which is acting on the fluid systems in microgravity are derived. The numerical computation of sloshing dynamics is based on the non-inertia frame container bound coordinate and the solution of time-dependent,three-dimensional formulations of...

The mathematical formulation of sloshing dynamics for a partially liquid filled dewar container driven by the gravity jitter acceleration associated with slew motion is studied. Explicit mathematical expressions to manage jitter acce-leration associated with slew motion which is acting on the fluid systems in microgravity are derived. The numerical computation of sloshing dynamics is based on the non-inertia frame container bound coordinate and the solution of time-dependent,three-dimensional formulations of partial differential equations subject to initial and boundary conditions.The numerical computation of fluid viscous stress forces and moment fluctuations exerted on the dewar container driven by jitter acceleration associated with slew motion is investigated.

本文以部分充液的贮箱系统作为研究对象,用数值方法计算研究了在扰动力作用下流体系统的晃动力学问题。文中给出了由于系统摆转而在流体中引起的扰动加速度的数学表达式。晃动力的计算是在与贮箱固结在一起的非惯性坐标系中,对依赖于初始与边界条件的三维非稳态偏微分方程组进行数值求解,计算了在伴随系统的摆转运动而在流体中产生的扰动加速度作用下,流体施加于贮箱上的力与力矩的波动规律。

 
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