Improved settling velocity for microplastic fibers: A new shape-dependent drag model
J Zhang, CE Choi - Environmental science & technology, 2021 - ACS Publications
Microplastics are abundant in aquatic environments and are an emerging environmental
concern. The prediction of their settling velocities is central to predictions of the residence …
concern. The prediction of their settling velocities is central to predictions of the residence …
Towards realistic predictions of microplastic fiber transport in aquatic environments: Secondary motions
CE Choi, J Zhang, Z Liang - Water Research, 2022 - Elsevier
Microplastics fibers are abundant in aquatic environments and are an emerging
environmental threat. Understanding how fibers are transported in aquatic environments is …
environmental threat. Understanding how fibers are transported in aquatic environments is …
Settling velocity of submillimeter microplastic fibers in still water
Microplastic fibers (MPFs) are one of the most important MP contaminants of aquatic
environments. However, little research has been conducted on the movement of …
environments. However, little research has been conducted on the movement of …
Dispersion of finite-size, non-spherical particles by waves and currents
We present the results of a set of experiments designed to measure the dispersion of non-
spherical particles in a wave–current flow. We released negatively buoyant discs, rods and …
spherical particles in a wave–current flow. We released negatively buoyant discs, rods and …
Resolving gas bubbles ascending in liquid metal from low-SNR neutron radiography images
We demonstrate a new image processing methodology for resolving gas bubbles travelling
through liquid metal from dynamic neutron radiography images with an intrinsically low …
through liquid metal from dynamic neutron radiography images with an intrinsically low …
How do the finite-size particles modify the drag in Taylor–Couette turbulent flow
We experimentally investigate the drag modification by neutrally buoyant finite-size particles
with various aspect ratios in a Taylor–Couette (TC) turbulent flow. The current Reynolds …
with various aspect ratios in a Taylor–Couette (TC) turbulent flow. The current Reynolds …
Dynamics of freely rising spheres: the effect of moment of inertia
The goal of this study is to elucidate the effect the particle moment of inertia (MOI) has on the
dynamics of spherical particles rising in a quiescent and turbulent fluid. To this end, we …
dynamics of spherical particles rising in a quiescent and turbulent fluid. To this end, we …
Numerical study on turbulence modulation of finite-size particles in plane-Couette flow
Turbulent plane-Couette flow suspended with finite-size spheroidal particles is studied using
fully particle-resolved direct numerical simulations. The effects of particle aspect ratio on …
fully particle-resolved direct numerical simulations. The effects of particle aspect ratio on …
[PDF][PDF] 单目视觉测量球体颗粒位姿
李江杰， 孔明， 刘璐， 赵云琨， 陈江楠 - Laser & Optoelectronics …, 2024 - researching.cn
摘要为实现对流化床中目标颗粒空间位姿追踪测量, 开发了一种基于单目视觉及彩色纹理编码
球体的位姿测量系统. 针对空间位置定位, 建立了空间球体成像模型, 并基于小孔平面成像模型及 …
球体的位姿测量系统. 针对空间位置定位, 建立了空间球体成像模型, 并基于小孔平面成像模型及 …
Dynamics of an oil-coated bubble rising in a quiescent water medium
We experimentally investigated the rising dynamics of oil-coated compound bubbles at
various oil fractions in a quiescent water medium. Three-dimensional particle tracking …
various oil fractions in a quiescent water medium. Three-dimensional particle tracking …