Results 51 to 60 of about 634 (175)

Stability of downflowing gyrotactic microorganism suspensions in a two-dimensional vertical channel [PDF]

Journal of Fluid Mechanics, 2014
AbstractHydrodynamic focusing of cells along the region of the most rapid flow is a robust feature in downflowing suspensions of swimming gyrotactic microorganisms. Experiments performed in a downward pipe flow have reported that the focused beam-like structure of the cells is often unstable and results in the formation of regular-spaced axisymmetric ...
Hwang, Y, Pedley, TJ
openaire   +2 more sources

Two‐Layered Immiscible Flows of Carreau and Carreau Nanofluid in an Inclined Channel With Nonlinear Boussinesq Approximation and Viscous Dissipation

International Journal of Energy Research, Volume 2026, Issue 1, 2026.
The current study discusses the laminar, incompressible steady flows of Carreau fluid and Carreau nanofluid in an inclined channel with two regions. In Region‐I, Carreau fluid is considered, whereas in Region‐II, Carreau nanofluid is deliberated. Both regions are considered porous, with a constant pressure gradient.
Muhammad Ramzan, Yazeed Alkhrijah, Saba Arshad, Nazia Shahmir, Wei Sin Koh, Mahmoud Ahmed   +5 more
wiley   +1 more source

Computational Analysis of Prandtl on the Fluid Relaxation Time Features for the Energy and Concentration Nanomaterial Flow of Motile Microorganisms Induced by a Deformable Sheet With Chemical Reactions

International Journal of Differential Equations, Volume 2026, Issue 1, 2026.
This study investigates the phenomenon of bioconvection in a Darcy–Forchheimer flow of a Prandtl fluid on a stretching sheet, considering dual diffusive processes and incorporating the Cattaneo–Christov heat conduction model. For the conversion of modeled equations to dimensionless, a suitable set of variables has been incorporated.
S. S. Zafar, Umair Khan, A. Zaib, Farhan Ali, M. Faizan, Deepali   +5 more
wiley   +1 more source

Magneto-bio-thermal Convection in Rotating Nanoliquid ‎containing Gyrotactic Microorganism

Journal of Applied and Computational Mechanics, 2020
The magneto-convection influenced by a gyrotactic behavior of algal suspensions along with rotation in the nanoliquid layer is investigated. Linear theory based on normal mode analysis is used to find out the inquisitive results of the problem for rigid-free and rigid-rigid boundaries. Both Galerkin-method (Number of terms (N) > 6) and shooting method (
Khurana, Meenakshi, Rana, Puneet, Srivastava, Sangeet, Yadav, Sanjay   +3 more
openaire   +2 more sources

On doubly stratified bioconvective transport of Jeffrey nanofluid with gyrotactic motile microorganisms

Alexandria Engineering Journal, 2022
Nanofluids have already proven great potential in the thermal amplification of several manufacturing industries and have been widely employed in energy technologies in recent times. Therefore, the current framework investigates the characteristics of the Jeffrey nanofluid flow with the influence of activation energy and motile microorganisms over a ...
Taseer Muhammad, Hassan Waqas, Umair Manzoor, Umar Farooq, Zarrin Fatima Rizvi   +4 more
openaire   +2 more sources

Consequence of Cattaneo-Christov heat and mass flux models on bioconvective flow of dusty hybrid nanofluid over a Riga plate in the presence of gyrotactic microorganisms and Stephan blowing impacts

Case Studies in Thermal Engineering
This study investigates the impact of the Stephan blowing and Cattaneo-Christov flux model on bioconvective flow of dusty hybrid nanofluid over a Riga plate in the presence of gyrotactic microorganisms and variable dust particles volume friction.
Munawar Abbas, Nargis Khan, M.S. Hashmi, Zabidin Salleh, Ayman A. Aly, Shahram Rezapour, Mustafa Inc   +6 more
doaj   +1 more source

Hybrid SWCNT/MWCNT Nanofluid Flow Over Porous Surfaces With Thermal Radiation and Microbial Bioconvection Under Soret–Dufour Coupling

Journal of Nanotechnology, Volume 2026, Issue 1, 2026.
The present investigation examines the magnetohydrodynamic behavior of a SWCNT–MWCNT/water hybrid nanofluid flowing over porous configurations, specifically cones, wedges, and flat plates, in the presence of thermal radiation and microbial bioconvection incorporating coupled Soret–Dufour effects.
Ghulam Muhiuddin, Ramya N, Esmail Alshaban, Farah Maqsood, Menwah Al-Matrafi, Ashwak H. Alshehri, Munmun Bardhan   +6 more
wiley   +1 more source

A Computational Study of MHD Radiative Viscoelastic Nanofluid Over a Stretching Sheet With Thermophoresis and Chemical Reaction

Engineering Reports, Volume 7, Issue 12, December 2025.
A computational model for analyzing heat and mass transfer in MHD viscoelastic nanofluid flow with Brownian motion, thermal radiation and chemical reaction are developed in this work. The findings demonstrate how flow stability, heat transfer, and solute distribution are impacted by these significant physical effects.
Tazin Tamanna, Sarder Firoz Ahmmed
wiley   +1 more source

Numerical Investigation of Turbulent Mixed Convection Between Coaxial Cylinders and the Inner Rotating Cylinder With Axial Flow

Energy Science &Engineering, Volume 13, Issue 11, Page 5133-5153, November 2025.
ABSTRACT The turbulent flow between coaxial cylinders, particularly when the inner cylinder is rotating, exhibits complex hydrodynamic and heat transfer behaviors critical for various engineering applications. Although many previous studies have simplified these systems with idealized assumptions, real‐world scenarios involve mixed convection and ...
Tohid Adibi, Seyed Esmail Razavi, Shams Forruque Ahmed, Parvaneh Alizadeh Bonab, J. C. Debnath, Hammad Alotaibi   +5 more
wiley   +1 more source

Brownian and thermal diffusivity impact due to the Maxwell nanofluid (graphene/engine oil) flow with motile microorganisms and Joule heating

Nanotechnology Reviews, 2023
Nanofluids have many applications in industries as well as engineering such as biomedicine, manufacturing, and electronics. Nanofluid is used for improvement of thermal and mass transmission. Based on the aforementioned applications, in the present study,
Algehyne Ebrahem A., Rehman Sadique, Ayub Rashid, Saeed Anwar, Eldin Sayed M., Galal Ahmed M.   +5 more
doaj   +1 more source