Molecular dynamics study of the thermal radiatively pressure-driven flow of two immiscible hybrid nanofluids through a curved pipe with viscous dissipation

Chaos Solitons & Fractals, Год журнала: 2024, Номер 188, С. 115552 - 115552

Опубликована: Сен. 24, 2024

Язык: Английский

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Numerical analysis for Cattaneo-Christov heat flux on convective viscous non-Newtonian fluid flow through porous medium with nonuniform heat source

Ain Shams Engineering Journal, Год журнала: 2024, Номер 15(10), С. 102954 - 102954

Опубликована: Июль 14, 2024

This work investigates the Ohmic heating, nonuniform heat generation, and Hall effects with Cattaneo-Christov model (CCM) on flow transfer of power-low non-Newtonian fluids (NNFs) past stretching surface embedded in a porous medium. Runge-Kutta method is used to solve non-linear ODEs numerically using shooting procedure. We study for power law values 0.7 1.2, respectively. Innovation this lies studying effect currents presence buoyancy force an irregular source slip NNFs moving through Darcy Varying velocities, frictional forces, Nusselt numbers are examined. Resulting entropy also examined computational problem investigation. Model-simulated results suggested that various factors play critical role constructing thermal systems. It asserted parameter, mixed convection Biot numbers, relaxation time improve transference rates by directly affecting fluid molecules temperature.

Язык: Английский

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Rheological impact of viscous fluid in the core region of heated curved pipe surrounded by Casson rheological fluid

Case Studies in Thermal Engineering, Год журнала: 2024, Номер unknown, С. 105156 - 105156

Опубликована: Сен. 1, 2024

Язык: Английский

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Brinkman–Forchheimer model of creeping flow of electromagnetohydrodynamic micropolar fluid through a swarm of cylindrical particles: Cell model technique

Physics of Fluids, Год журнала: 2025, Номер 37(3)

Опубликована: Март 1, 2025

This paper deals with a heat transfer methodology to explore the electromagnetohydrodynamic (EMHD) flow of micropolar fluid through membrane composed impermeable cylindrical particles covered by heterogeneous porous layer. Here, authors assumed that fluid's viscosity and permeability medium are inversely proportional temperature position, respectively. In this work, cell model technique is adopted examine motion fluid. due uniform pressure gradient, an electric magnetic field applied in radial tangential directions cylinder, The Brinkman–Forchheimer equation used particle. exact solution present intractable presence non-linear term temperature-dependent viscosity, hence governing equations problem solved employing implicit finite difference method (FDM). numerical for linear angular velocities, temperature, Kozeny constant, hydrodynamic displayed graphical tabular form various emerging parameters such as Hartmann number, slip parameter, apparent Forchheimer Brinkman number. noteworthy findings investigation suppressed constant when number increased, while enhanced increasing Additionally, it observed increased strength field. Conversely, increase parameter leads decrease velocity current study's have potential improve our comprehension crucial industrial medical applications.

Язык: Английский

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Two-phase magnetohydrodynamic blood flow through curved porous artery

Physics of Fluids, Год журнала: 2024, Номер 36(9)

Опубликована: Сен. 1, 2024

Blood arteries are important part of our cardiovascular system. A comprehensive study shape and anatomy blood allows to elucidate the dynamics flow in these arteries. Typically, a curved-tube like structure, with arterial walls exhibiting composition various porous layers. The current embarks on theoretical exploration two-fluid model heat transfer through curved artery under an influence magnetic field. composed Brinkman Darcy flows exerts centrifugal forces that leads change patterns. significant effects curvature along intensity applied field patterns, transfer, resistance impedance have been investigated present work. mathematical proposed work is tackled by homotopy analysis method using physically relevant boundary interface conditions. outcome rate increases increase parameter, it reduces raising couple stress parameter Hartmann number. novelty this lies consideration inner endothelial layers artery. result presented vital assess condition atherosclerosis, aneurysms, vasculties, clot, etc.; beyond this, can be extended for medical diagnostics, treatment planning, device design, drug delivery optimization, biomedical engineering research. This ultimately contribute improved patient care outcomes medicine.

Язык: Английский

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Time-periodic electroosmotic flow of non-Newtonian fluid through a polyelectrolyte-grafted circular microchannel

Physics of Fluids, Год журнала: 2025, Номер 37(3)

Опубликована: Март 1, 2025

The present research investigates the characteristics of flow dynamics and heat transfer couple stress fluid through a circular microtube grafted with polyelectrolyte layer. An alternating current electric field is applied to influence transfer. A mathematical framework established describe phenomenon time-periodic electroosmotic by incorporating Poisson–Boltzmann equations, momentum energy equations for both electrolyte layers. In beginning, equation solved analytically under Debye–Hückel approximation obtain potential distribution. Subsequently, are then layers, analytical solutions these obtained. Finally, discretized numerically using finite difference scheme Thomas algorithm. primary results this study indicate that velocity oscillation increases, but it confined region near interface polyelectrolyte-electrolyte while amplitude decreases higher oscillating Reynolds numbers. Temperature magnitude increases parameter, thickness layer, parameters, Brinkman number, drag parameter it. Further, as number core experiences more frequent temperature oscillations, decreases. These findings provide deeper insights into electrokinetic transport phenomena, which hold particle manipulation, enhancement techniques, biochip drug delivery, biomedical engineering advancements.

Язык: Английский

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Entropy generation and heat-mass transfer analysis in two-phase immiscible micropolar and Jeffrey fluids under an inclined magnetic field and multiple slip conditions in a porous channel

International Communications in Heat and Mass Transfer, Год журнала: 2025, Номер 164, С. 108846 - 108846

Опубликована: Апрель 7, 2025

Язык: Английский

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Modeling of magnetized immiscible micropolar-Newtonian fluid flow through co-rotating cylinders: Homotopy analysis method

Modern Physics Letters B, Год журнала: 2025, Номер unknown

Опубликована: Апрель 9, 2025

In this work, the authors have analyzed magneto-hydrodynamic (MHD) flow of non-miscible micropolar-Newtonian fluids through annular regions three co-rotating concentric cylinders under impact stress jump condition. Here, it is considered that inner and outer are impermeable while middle cylinder anisotropic permeable, a non-isotropic porous material filled between cylinders. The Newtonian fluid flowing cylinders, however, micropolar takes place region composed motion in rotating due to rotation inner, middle, along with pressure gradient presence uniform magnetic field. Brinkman model used for material. Navier slip condition boundary employed continuity velocities. also hyperstick conditions at interfaces two immiscible flows. governing equations solved by semi-analytic Homotopy Analysis Method (HAM). examined variation pressure, head loss, radial velocity, tangential micro-rotational interfacial stream function respect Hartmann number, conditions, parameter, permeability couple porosity. From present model, has been demonstrated velocity Newtonian-micropolar increased increasing decreasing porosity medium, velocities medium. It noticed parameter enhanced but decreased loss fluid. can be thermal enhancement journal bearing understand nature as lubricant blood/plasma arteries.

Язык: Английский

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Controlling the convective heat transfer of shear thinning and shear thickening fluids in parallel plates with magnetic force

Zeitschrift für Naturforschung A, Год журнала: 2025, Номер unknown

Опубликована: Май 5, 2025

Abstract The heat transfer analysis from the mixture flow of Carreau fluid in infinite horizontal parallel plates under impact magnetic field is proposed this theoretical analysis. and through offers various applications nuclear reactors, microfluidic devices, lubrication systems, chemical, industrial biological etc. With motivation current non-Newtonian fluids (Carrreau fluid) used industries chemical engineering, goal research to develop a mathematical model based on phase particulate control temperature increase convective considered suitable range physical parameters including parameter, Darcy number, Power-law index, slip boundary conditions, volume fraction density Weissenberg number. nonlinear established with contribution stress tensor solved perturbation series technique. computational results are discussed plots tables. From calculated data it perceived that improved velocity distributions. It also noted declines thermal field. number upsurge fields. comparative between simple observed gives more as compared fluid. present will help understand basic mixture-phase highly viscous porous medium when uniform applied transversely. Further, study found medical treatment wound healing hyperthermia, exchangers, This can be useful petroleum for cleaning purifying immiscible oils.

Язык: Английский

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Boundary Element Method for Viscous Flow through Out-phase Slip-patterned Microchannel under the Influence of Inclined Magnetic Field

Chemical Product and Process Modeling, Год журнала: 2024, Номер 19(5), С. 825 - 846

Опубликована: Окт. 1, 2024

Abstract In this paper, we investigate the impact of an inclined magnetic field uniform intensity on viscous, incompressible pressure-driven Stokes flow through a slip-patterned, rectangular microchannel using boundary element method based stream function-vorticity variables approach. The present investigation focuses only out-phase slip patterning walls. We address two scenarios patterning, specifically large and fine which are determined by periodicity patterning. utilized no-slip Navier’s conditions in alternative manner equations govern viscous microchannel. assume very small Reynold’s number to eliminate equation induced study. analyzed considered dimensionless hydrodynamic parameters, including Hartman ( Ha ), inclination angle θ ) field, length l s fluid dynamics. case slip, observed significant variations both velocity pressure gradient, contrast Fine significantly increases shear stress at regimes, while reduces it regimes. has several notable implications, such as regulation advancement mixing heat transmission within microfluidic systems.

Язык: Английский

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