[HTML][HTML] 非球形颗粒两相流的数值模拟研究进展
崔智文， 王泽， 蒋新宇， 赵立豪 - 力学进展, 2022 - lxjz.cstam.org.cn
非球形颗粒两相流是多相流的重要研究方向之一, 常见于自然界及工业生产过程中.
不同于球形颗粒, 由于非球形颗粒形状的各向异性, 除了颗粒平动行为, 还需要考虑颗粒的转动与 …
不同于球形颗粒, 由于非球形颗粒形状的各向异性, 除了颗粒平动行为, 还需要考虑颗粒的转动与 …
Inertia induces strong orientation fluctuations of nonspherical atmospheric particles
T Bhowmick, J Seesing, K Gustavsson, J Guettler… - Physical Review Letters, 2024 - APS
The orientation of nonspherical particles in the atmosphere, such as volcanic ash and ice
crystals, influences their residence times and the radiative properties of the atmosphere …
crystals, influences their residence times and the radiative properties of the atmosphere …
Effect of fluid inertia on the orientation of a small prolate spheroid settling in turbulence
We study the angular dynamics of small non-spherical particles settling in a turbulent flow,
such as ice crystals in clouds, aggregates of organic material in the oceans, or fibres settling …
such as ice crystals in clouds, aggregates of organic material in the oceans, or fibres settling …
Inertial torques and a symmetry breaking orientational transition in the sedimentation of slender fibres
A Roy, RJ Hamati, L Tierney, DL Koch… - Journal of Fluid …, 2019 - cambridge.org
Experimental measurements of the force and torque on freely settling fibres are compared
with predictions of the slender-body theory of Khayat & Cox (J. Fluid Mech., vol. 209, 1989 …
with predictions of the slender-body theory of Khayat & Cox (J. Fluid Mech., vol. 209, 1989 …
Statistical model for the orientation of nonspherical particles settling in turbulence
The orientation of small anisotropic particles settling in a turbulent fluid determines some
essential properties of the suspension. We show that the orientation distribution of small …
essential properties of the suspension. We show that the orientation distribution of small …
Effect of particle inertia on the alignment of small ice crystals in turbulent clouds
K Gustavsson, MZ Sheikh, A Naso… - Journal of the …, 2021 - journals.ametsoc.org
Small nonspherical particles settling in a quiescent fluid tend to orient so that their broad
side faces down because this is a stable fixed point of their angular dynamics at small …
side faces down because this is a stable fixed point of their angular dynamics at small …
Experimental validation of fluid inertia models for a cylinder settling in a quiescent flow
The precise description of the motion of anisotropic particles in a flow rests on the
understanding of the force and torque acting on them. Here, we study experimentally small …
understanding of the force and torque acting on them. Here, we study experimentally small …
Inertial torque on a small spheroid in a stationary uniform flow
How anisotropic particles rotate and orient in a flow depends on the hydrodynamic torque
they experience. Here we compute the torque acting on a small spheroid in a uniform flow …
they experience. Here we compute the torque acting on a small spheroid in a uniform flow …
Collisions of micron-sized charged water droplets in still air
We show that the relative dynamics of charged water droplets settling in still air contains
fixed points determined by the combination of hydrodynamic interactions, particle and fluid …
fixed points determined by the combination of hydrodynamic interactions, particle and fluid …
Inertial torque on a squirmer
A small spheroid settling in a quiescent fluid experiences an inertial torque that aligns it so
that it settles with its broad side first. Here we show that an active particle experiences such …
that it settles with its broad side first. Here we show that an active particle experiences such …