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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Qualitative study of two types of kinetic equations
动力学方程 定性研究 弗拉索夫方程
2023/4/18
In recent years, the study of kinetic equations has attracted much attention because it involves many important scientific phenomena and fields of science, such as nuclear reactor diffusion phenomena,...
Some open problems and research directions in the mathematical study of uid dynamics.
Some open problems research directions in the mathematical study uid dynamics.
2014/4/4
This is an essay in the literal sense: an attempt. As such, it does not con-form to the norm of scienti c objectivity but attempts to describe a point of view. In it I describe a number of questions c...
Viscous coalescence of droplets -- a Lattice Boltzmann study
Viscous coalescence of droplets Lattice Boltzmann study Fluid Dynamics
2012/5/29
The coalescence of two resting liquid droplets in a saturated vapor phase is investigated by Lattice Boltzmann simulations in two and three dimensions. We find that, in the viscous regime, the bridge ...
A Parametric Study on the Starting Transients of a Vacuum Ejector-Diffuser System
Parametric Starting Transients Vacuum Ejector-Diffuser System Fluid Dynamics
2012/4/24
In this endeavor, the transients persisting in a vacuum ejector system (put reference of my old paper) is studied by numerically simulating the flow field, and experimentally validating the simulated ...
Experimental and numerical study of mean zonal flows generated by librations of a rotating spherical cavity
librations rotating spherical cavity
2011/9/7
We study both experimentally and numerically the steady zonal flow generated by longitudinal librations of a spherical rotating container. This study follows the recent weakly nonlinear analysis of Bu...
Shock tube study of n-decane ignition at low pressures
Ignition delay time n-Decane Heated shock tube
2012/2/24
Ignition delay times for n-decane/O_2/Ar mixtures were measured behind reflected shock waves using endwall pressure and CH* emission measurements in a heated shock tube. The initial postshock conditio...
Study on fluid-structure interaction in liquid oxygen feeding pipe systems using finite volume method
Fluid-structure interaction Liquid oxygen Finite volume method
2012/2/29
The fluid-structure interaction may occur in space launch vehicles, which would lead to bad performance of vehicles, damage equipments on vehicles, or even affect astronauts' health. In this paper, an...
Numerical study on three-dimensional flow field of continuously rotating detonation in a toroidal chamber
continuously rotating detonation three-dimensional flow field structure numerical study detonation parameters deficit effects of wall geometries
2012/2/24
Gaseous detonation propagating in a toroidal chamber was numerically studied for hydrogen/oxygen/ni-trogen mixtures. The numerical method used is based on the three-dimensional Euler equations with de...
A Study of Pressure Distribution of A Slider Bearing Lubricated with Powell-Eyring Fluid
Slider bearing Non-newtonian fluids Perturbation analysis Powell-eyring model Lubrication
2009/10/12
A slider bearing consisting of connected surfaces with Powell-Eyring fluid as a lubricant is analyzed in the present study. A Powell-Eyring model has been used as a non-Newtonian lubricant in a slider...
A numerical study on the free-surface channel flow over a bottom obstacle
open channel flow undular hydraulic jump
2010/3/11
This paper presents the results of a numerical study on a two-dimensional freesurface channel flow over a bottom obstacle. Of main interest is the capability of commercial CFD codes to solve such prob...
Study of blade to blade flows and circumferential stall propagation in radial diffusers and radial fans by vortex cloud analysis
radial turbomachines rotating stall vortex dynamics
2010/3/12
The objective of this paper is extension of vortex cloud simulation to the study of deep rotating stall cell propagation in radial turbomachines. Previous studies [1][2] provided the basic analysis, s...
Effects of sweep and spanwise changing circulation applied to airfoils: a case study
airfoil axial flow turbomachinery computational fluid dynamics controlled vortex design spanwise changing circulation sweep
2010/3/12
Isolated stationary airfoils of simple geometry were tested in incompressible flow in order to study the combined aerodynamic e®ects of sweep, spanwise changing circulation, and their combination....