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confined fluid
相关语句
  受限流体
     Shift in Triplepoint Temperature of Confined Fluid by Capillarity
     毛细作用引起的受限流体三相点的移动
短句来源
  “confined fluid”译为未确定词的双语例句
     The fantastic phase behavior of the confined fluid is an important factor to cause the application of porous nano-materials in chemical engineering and other fields.
     该复杂体系内流体分子表现出的丰富的相态和奇异的行为,是纳米介孔材料在化学工业及其他相关工业中广泛应用的重要原因。
短句来源
     Furthermore, the effect of wall velocity on the structure of confined fluid is related to the fluid-wall interaction.
     而且,流体结构受壁面流速的影响要受到壁面势能的制约。
短句来源
  相似匹配句对
     Hard Sphere Fluid in Confined Geometries
     约束条件下的硬球流体
短句来源
     Fluid Geology
     流体地质学──21世纪的新兴地质学科
短句来源
     Density Functional Theory for Density Profile of Fluid Confined in Slit
     硬壁狭缝中流体密度分布的密度泛函理论
短句来源
     FLUID THERAPY
     液体疗法
     Quantum Confined Device
     量子限制器件
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  confined fluid
Assuming the confined fluid to be in a state where dynamics are dominated by excluded volume effects, its ηeff should correspond to that of the bulk at or near the glass-transition temperature.
      
We refer to this approximation as second-order because the correlations that are calculated depend upon the position of two hard spheres in the confined fluid.
      
The liquid-vapor interface of a confined fluid at the condensation phase transition is studied in a combined hydrostatic/mean-field limit of classical statistical mechanics.
      
Phase Diagram and Free Energies of Vapor Films and Tubes for a Confined Fluid
      
All the pores are opened at both ends towards an external bulk reservoir, so that they mimic real materials for which the confined fluid is always in contact with the external phase.
      
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Solid-Liquid Transition of lubricant in ultra thin film has been simulated by molecular dynamics approach in the present study. The model system is composed of two parallel solid walls and confined fluid molecules. Time evolution of the fluid molecules can be obtained through solving the equation of motion. By averaging the molecule velocity in the system, the simulation gives macroscopic flow description. Results show that the some rheological parameters of the lubricant in thin film will become...

Solid-Liquid Transition of lubricant in ultra thin film has been simulated by molecular dynamics approach in the present study. The model system is composed of two parallel solid walls and confined fluid molecules. Time evolution of the fluid molecules can be obtained through solving the equation of motion. By averaging the molecule velocity in the system, the simulation gives macroscopic flow description. Results show that the some rheological parameters of the lubricant in thin film will become film thickness dependent and wall-induced phase transition may occure in the film under a certain condition. The critical pressure of the phase transition decreases as film thickness reducing. When transition pressure is lower than the pressure given by the system, liquid solidification will occure. The phenomenon is found relating to the development of the ordering structure in thin film.

本文以分子动力学方法模拟了薄膜润滑中润滑剂的固液相变。模拟系统由两个平行的固体壁面和界于壁面间的流体分子构成。薄膜中流体分子的运动规律可由系统运动方程解得,再通过平均得到薄膜液体的宏观特性。计算结果表明,在薄膜润滑中润滑剂的一些性质会变成与膜厚有关的参量,一定条件下还会发生由壁面诱发的相变。薄膜中润滑剂的相变临界压力随膜厚的减小而降低,当相变压力低于系统给定压力时,润滑剂会发生固化。这种现象与薄膜中有序结构的发展规律有关。随着压力增加,流体分子的有序结构由壁面逐渐向薄膜中部发展,因此较厚的润滑膜需要较高的压力才能形成贯穿全膜的有序结构而产生相变。

Abstract The rheological behavior of nanometer-thick liquid film has been predict-ed by Molecular Dynamics Simulation. The model system is composed of two parallel solidwalls and confined fluid molecules.Time evolution of the fluid molecules can be obtainedthrough solving the equation of motion.By averaging the molecule velocity in the system,the sirnulation gives macro scopic flow description. Results show that the effective viscosity increases as thefilm thickness decreasing,When the film thickness...

Abstract The rheological behavior of nanometer-thick liquid film has been predict-ed by Molecular Dynamics Simulation. The model system is composed of two parallel solidwalls and confined fluid molecules.Time evolution of the fluid molecules can be obtainedthrough solving the equation of motion.By averaging the molecule velocity in the system,the sirnulation gives macro scopic flow description. Results show that the effective viscosity increases as thefilm thickness decreasing,When the film thickness comes down to a critical value,a sharp increase in the ef-fective viscosity indicates that the liquid has lost its fluidity completely.The changes in viscosity were foundrelating to the llquid一solid transition in thin film,The simulation shows that the critical pressure of thephase transition decreases as film thickness reducing.When the transition pressure is lower than the givenpressure for the system,liqtiid solidification will occure in the film.

本文以分子动力学方法模拟了纳米级液体薄膜的流变特性。模拟系统由两个平行的固体壁面和界于壁面间的流体分子构成。薄膜中流体分子的运动规律可由系统运动方程解得,再通过平均得到薄膜液体的宏观特性。计算结果表明,薄膜中液体的等效粘度随着膜厚减小而逐渐增大,当膜厚减薄到一定程度时等效粘度急剧增加,流体完全丧失流动性。计算还表明,薄膜中粘度的变化与固一液相变有关,相变压力随着膜厚减小而降低,当它低于系统给定压力时,液体即发生固化。

A computational procedure is proposed to solve the interaction problem of elastic structures within a confined fluid region. The fluid is considered to be incompressible viscous and bounded though without free surface boundary. Streamline Upwind/Petrov Galerkin method is employed to describe the discrete fluid domain. Arbitrary Lagrangian Eulerian formulation is adopted to treat the moving interface between the fluid and...

A computational procedure is proposed to solve the interaction problem of elastic structures within a confined fluid region. The fluid is considered to be incompressible viscous and bounded though without free surface boundary. Streamline Upwind/Petrov Galerkin method is employed to describe the discrete fluid domain. Arbitrary Lagrangian Eulerian formulation is adopted to treat the moving interface between the fluid and the structure. A solution procedure has been developed for the interaction analysis of fluid and flexible structure following some scheme of Nomura and Hughes. Three numerical examples are given. The results show the effectiveness of the procedure.

流体结构耦合作用问题是工程中比较常见的问题,具有重要意义,由于流体计算的复杂性,迄今为止,大部分的流体结构耦合分析都是建立在对流体充分简化的基础上,尤其是将流体视为无粘、无旋的理想流体.该文在近年来前人工作的基础上,发展了一种流体弹性结构耦合计算模式.流体视为不可压、有粘的介质,流场没有自由表面.该文采用SU/PG方法形成流体的有限元方程,采用ALE格式处理流体和结构之间的移动界面.采用预估多次校正方法迭代求解耦合的有限元方程.该文进行了3个算例的计算,结果证明了该文计算格式及程序的有效性.

 
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