Environmental transport of gyrotactic microorganisms in an open‐channel flow

G Li, Z Gong, W Jiang, J Zhan, B Wang… - Water Resources …, 2023 - Wiley Online Library
The rich and complex phenomena of the transport of active particles like microorganisms in
shear flows are of great significance to various biological and environmental applications …

A pulsatile Williamson nanofluid flow with motile microorganisms between two permeable walls: Effect of modified Darcy's law

GM Moatimid, MAA Mohamed… - Journal of Porous …, 2023 - dl.begellhouse.com
The aim of the proposed scheme is to look at the non-Newtonian Williamson
magnetohydrodynamics (MHD) pulsatile movement of an incompressible nanofluid in the …

[HTML][HTML] Cattaneo-Christov double diffusions theories with bio-convection in nanofluid flow to enhance the efficiency of nanoparticles diffusion

SA Khan, H Waqas, SMRS Naqvi, M Alghamdi… - Case Studies in Thermal …, 2021 - Elsevier
Purpose The current mathematical model is developed to scrutinize the consequence of
bioconvective cross diffusion flow of magnetized viscous nanofluid past multiple geometries …

Unsteady flow of nanofluid through porous medium with variable characteristics

T Hayat, F Haider, A Alsaedi, B Ahmad - International Communications in …, 2020 - Elsevier
Salient characteristics of activation energy and porous space on unsteady flow of nanofluid
are analyzed. Flow in porous space is characterized with Darcy-Forchheimer relation with …

Effects of wind on transient dispersion of active particles in a free-surface wetland flow

MY Guan, L Zeng, WQ Jiang, XL Guo, P Wang… - … in Nonlinear Science …, 2022 - Elsevier
Mechanisms of active-particle transport in a wetland flow under wind are significant for
understanding various biological and ecological processes associated with wetlands. A …

Pre-asymptotic dispersion of active particles through a vertical pipe: the origin of hydrodynamic focusing

M Guan, W Jiang, B Wang, L Zeng, Z Li… - Journal of Fluid …, 2023 - cambridge.org
When motile algal cells are exposed to gyrotactic torques, their swimming directions are
guided to form radial accumulation, well known as hydrodynamic focusing. The origin of …

Transient dispersion in a channel with crossflow and wall adsorption

B Wang, W Jiang, G Chen, L Tao - Physical Review Fluids, 2022 - APS
Dispersion of substances with reactive boundaries is relevant to a wide range of chemical,
biological, and geophysical processes. A supplied crossflow, or equivalently sedimentation …

Transient dispersion process of active particles

W Jiang, G Chen - Journal of Fluid Mechanics, 2021 - cambridge.org
Active particles often swim in confined environments. The transport mechanisms, especially
the global one as reflected by the Taylor dispersion model, are of great practical interest to …

Gyrotactic trapping of micro-swimmers in simple shear flows: a study directly from the fundamental Smoluchowski equation

B Wang, W Jiang, G Chen - Journal of Fluid Mechanics, 2022 - cambridge.org
Thin phytoplankton layers with vertically compressed structures found in stratified lakes and
coastal water bodies have been a hot-spot in marine science and fluid mechanics. Although …

Dispersion of a gyrotactic micro-organism suspension in a vertical pipe: the buoyancy–flow coupling effect

B Wang, W Jiang, G Chen - Journal of Fluid Mechanics, 2023 - cambridge.org
Understanding the transport of micro-organisms in pipes is crucial to many fundamental
problems, such as bioconvection and biodiesel production. In this work, we investigate the …