
Partial Differential Equations in Applied Mathematics, Год журнала: 2024, Номер unknown, С. 100972 - 100972
Опубликована: Окт. 1, 2024
Язык: Английский
Partial Differential Equations in Applied Mathematics, Год журнала: 2024, Номер unknown, С. 100972 - 100972
Опубликована: Окт. 1, 2024
Язык: Английский
Results in Engineering, Год журнала: 2024, Номер 21, С. 101925 - 101925
Опубликована: Фев. 16, 2024
This study investigated double diffusion natural convection of Casson fluids in an asymmetrical cavity under a constant magnetic field. The intricacies flow and heat/mass transfer were explored computationally using the finite element method. Applications exist geology, oceanography, metallurgy, astrophysics. impacts Rayleigh number, parameter, number peaks, Darcy on entropy generation, velocity, temperature/concentration gradients quantified. Key findings showed that by increasing chaos vigor intensified, thereby boosting gradients. Furthermore, elevating streamlines narrowed mixing was reduced owing to more solid-like behavior. Additionally, varying complexity modulated, thus allowing for strategic optimization localized rates. Moreover, positively correlated with Nusselt/Sherwood numbers, enhancing diffusion. Likewise, expanded configuration options, consequently system entropy. computational approach enabled modeling precluded analytical approaches, while simultaneously providing insight than experiments. Predictions entropy, heat transfer, rates will guide designs enhanced efficiency thermal control applications spanning underground pipelines, boilers, nuclear/thermal plants, energy storage. Specifically, modulation parameters optimize minimize generation lead improved utilization high-temperature industrial processes advancing sustainability.
Язык: Английский
Процитировано
30Heliyon, Год журнала: 2024, Номер 10(2), С. e24098 - e24098
Опубликована: Янв. 1, 2024
The present research explores linear as well nonlinear radiation patterns based on the MHD non-Newtonian (Maxwell) nanofluid flow having Arrhenius activation energy. This study's core focus is properties in fluid dynamics and boundary layer phenomena analysis. It initiates with time-dependent equations, employing approximations. Extensive numerical computations, executed custom Compact Visual Fortran code EFD method, provide profound insights into behavior, revealing intricate force interactions patterns. To check stability of solution, a convergence analysis performed. With values ΔY = 0.25, Δτ 0.0005, ΔX 0.20; it found that model occurs to Lewis number, Le > 0.016 Prandtl Pr 0.08. In this context, investigating non-dimensional results depend multiple physical factors. Explanation visual representations effects different characteristics their resultant temperatures, concentrations, velocity profiles are provided. As result illustrations, skin friction coefficient Sherwood which calculated, Nusselt values, have all come up discussion. Additionally, detailed isothermal lines streamlines implemented, pointed out development these features at same time Brownian motion. Furthermore, temperature field for Maxwell modified due impression chemical reaction Dufour number (Kr Du). Our demonstrates superior performance solutions, notably cases involving energy radiation. paradigm shift carries significant implications. another interplay between affected by energy, offering promising applications fields like medicine industry, particularly groundbreaking cancer treatment approaches.
Язык: Английский
Процитировано
26International Communications in Heat and Mass Transfer, Год журнала: 2024, Номер 155, С. 107572 - 107572
Опубликована: Май 11, 2024
Язык: Английский
Процитировано
20Alexandria Engineering Journal, Год журнала: 2023, Номер 81, С. 636 - 655
Опубликована: Сен. 29, 2023
Investigating the effects of periodic magnetic field and triple diffusion on bioconvection flow through a rotating cone populated by oxytactic bacteria an Eyring-Powell fluid is innovative significant. The magneto-bioconvection multi-diffusive across spinning investigated in this paper, considering effect microorganisms. non-similar technique used mathematical analysis over cone. under consideration contains two diffusive species: liquid hydrogen oxygen. In light field, surface gradients, notably skin friction, exhibit wavy boundary layer domain. governing equations for current problem, accompanied heat diffusion, species rotation, bioconvection, magnetic, are highly coupled nonlinear PDEs dependent proper initial conditions. Mangler's transformations convert them into non-dimensional forms, numerical solutions produced using implicit finite difference approximation quasi-linearisation. enriching values bioconvective Rayleigh number Rb decline velocity F, as result, lessen friction between surrounding cone's surface. improving Peclet Pe microbial density σ reduced microorganism profile heightened Re-1/2Nn.
Язык: Английский
Процитировано
41International Journal of Thermofluids, Год журнала: 2023, Номер 21, С. 100484 - 100484
Опубликована: Окт. 12, 2023
This work revealed the investigation of Casson nanofluid flow's MHD (magneto-hydrodynamic) unstable boundary layer characteristics in simultaneous transmission thermoelectric and radiation on a stretched sheet. On Newtonian non-Newtonian (Casson) flows, cumulative impact thermoelectricity has been addressed. Thermal radiation, nanofluids, are pivotal engineering industry, transforming applications like heat exchangers, nuclear power plants, thermal energy storage, advanced drug delivery systems. The problem-related partial differential equations have formulated with approximation. changed into dimensionless form help appropriate variables parameters. Finite difference techniques employed to get numerical solution via FORTRAN 6.6a programming algorithm, solutions illustrated graphically support Tecplot-360 software. consequences numerous parameters investigated using variety figures, amounts various being revised. effects primary velocity, secondary temperature profiles presented discussed critical physical properties such as skin friction addition Nusselt number. combined streamlines isotherms line contour flood views. most significant finding is that collective influence impacts promotes phenomena fluid flow comparatively more than flow. For purpose creating effective procedures, forecasting patterns, guaranteeing product performance industries, it crucial explain fluids. model can also aid blood simulation risk assessment for thrombosis other cardiovascular diseases.
Язык: Английский
Процитировано
36Scientific Reports, Год журнала: 2023, Номер 13(1)
Опубликована: Фев. 2, 2023
Nanofluids with their augmented thermal characteristics exhibit numerous implementations in engineering and industrial fields such as heat exchangers, microelectronics, chiller, pharmaceutical procedures, etc. Due to properties of nanofluids, a mathematical model non-Newtonian Casson nanofluid is analyzed this current study explore the steady flow mechanism contribution water-based Aluminum oxide nanoparticles. A stretchable surface incorporating variable thickness considered be source concerning fluid two-dimension. An exponential viscosity proposed observe phenomenon. Different models including Brinkman Einstein are also incorporated analysis compared present model. The physical problem organized boundary layer equations which further tackled by execution relevant similarity transformations appear form ordinary nonlinear differential equations. different three strong graphical tabulated relations each other relative various aspects problem. In all concerned viscosity, deteriorating nature velocity field corresponding parameters observed.
Язык: Английский
Процитировано
29Engineering Reports, Год журнала: 2023, Номер 5(11)
Опубликована: Апрель 10, 2023
Abstract A magnetic field might interact with its surroundings, influencing chemical and physical processes in materials processing, heat exchangers, other scientific study. Therefore, a computational study of non‐Newtonian (Casson) free convective MHD unsteady fluid flow has been highlighted this article mass transit property through vertical infinite porous plate. sinusoidal boundary conditions as well reaction thermal radiation have considered. Using collection nondimensional variables, the related equations are also turned into form. The EFDM algorithm is employed order to arrive at numerical solution via Compaq Visual Fortran. reliability confirmed using stability testing convergence analysis. whole system convergent when values Prandtl number Lewis greater than or equals 0.075 0.025, respectively. visual depiction impact pertinent factors on dimensionless velocity, temperature, concentration profiles displayed graphical representation tabular representation. It inspected that component regarded, it greatly affects transfer Casson nanofluid rises Eckert number, source parameter accelerate. found Sherwood increased skin friction decreased influence porosity term got accelerated. comparison current findings data were previously published serves final stage validating present
Язык: Английский
Процитировано
29International Communications in Heat and Mass Transfer, Год журнала: 2023, Номер 147, С. 106981 - 106981
Опубликована: Авг. 5, 2023
Язык: Английский
Процитировано
27Partial Differential Equations in Applied Mathematics, Год журнала: 2023, Номер 7, С. 100500 - 100500
Опубликована: Фев. 11, 2023
Controlling heat transmission in the polymer manufacturing business has always depended on thermal radiation component and development of a variety novel technical processes, such as solar energy technology combustion fossil fuels occur at high temperatures. Therefore, it would appear significant to study because that this research delivers numerical evaluation cumulative influence Hall current MHD fluid flow across stretchable surface which is non-linear. Nevertheless, been considered conveys tiny (1-100 nm) particles. The model equations have made non-dimensional using boundary layer approach components. Then, finite difference approach, acquired are numerically constructed. solution discussed investigate primary plus secondary velocity, temperature but also concentration ordination. Skin friction, coefficient mass, some phenomena investigated. Streamlines, well isothermal lines, employed display an upgraded representation flow. A closer examination reveals effects parameter larger velocity than individual impacts factor. It revealed when both influences included, transfer capabilities considerably higher only one them examined.
Язык: Английский
Процитировано
25Case Studies in Thermal Engineering, Год журнала: 2024, Номер 59, С. 104537 - 104537
Опубликована: Май 16, 2024
Nanofluids garner significant scientific interest due to their exceptional heat-conducting abilities and potential enhance heat transfer efficiency. This manuscript investigates the behavior of a two-dimensional fractional Carreau fluid model on stretched sheet over time, incorporating convection, magnetic fields, nanoparticles, diffusion, thermal radiations. The elucidates viscoelastic nanofluids' memory inheritance properties, employing non-integer Caputo derivatives innovatively. Fundamental equations are transformed into dimensionless form solved using an explicit finite difference approach. Essential parameters like Skin friction coefficient, Nusselt number, Sherwood number accurately determined. Rigorous stability convergence criteria ensure effective solution convergence. Visual representations demonstrate impact each parameter flow. It is noted that temperature gradient increases 49.38% with increase exponent α while it decreases 13.39% M. Moreover, concentration 66.48% thermophoresis Nt 94.71% pedesis Nb.
Язык: Английский
Процитировано
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