Framing the effect of fitted curved fins' curvature on the flow patterns and entropy analysis of buoyancy-driven magnetized hybrid nanofluidic transport within an annular enclosure

Journal of Energy Storage, Journal Year: 2024, Volume and Issue: 100, P. 113638 - 113638

Published: Sept. 11, 2024

Language: Английский

---

A numerical investigation on improving the thermal efficiency of PV panels through integration with solar water collectors

Solar Energy, Journal Year: 2025, Volume and Issue: 287, P. 113259 - 113259

Published: Jan. 16, 2025

Language: Английский

---

Enhanced thermal management in 3D integrated circuits: Low-pressure flow boiling in microchannels with multiple ultra-high heat flux sources using deionized water

International Communications in Heat and Mass Transfer, Journal Year: 2025, Volume and Issue: 164, P. 108796 - 108796

Published: March 3, 2025

Language: Английский

---

Exploring shape and size variations significance in hybrid nanofluid flow via rotating porous channel

ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 5, 2024

Abstract The current study investigates the thermal performance characteristics of metallic (Cu) and non‐metallic (TiO 2 ) nanoparticles (NPs), considering variations in their shapes sizes. Specifically, analysis is conducted for four distinct stable NPs. A hybrid model developed to analyze influence rotating porous walls on system, particularly focusing impact permeable Reynolds number NPs within a specific range , conjunction with Newtonian fluid under magnetohydrodynamics (MHDs). Additionally, we examine phenomena expansion/contraction heat mass transfer enhancement chemical reactions. governing partial differential equations (PDEs) are transformed into nonlinear using help similarity transformation. 4th‐order Runge–Kutta method (RK), coupled shooting technique, employed as mathematical strategy numerically solve these equations. Boosting values 𝐾 𝑐𝑟 from 10 enhances rate between both channels. Higher 𝑅𝑒, 𝑀, 𝑅 lead increasing skin friction coefficients Raising NP volume fractions ( 1% 5% results enhanced rates much better platelet‐shaped compared other such spherical, brick, cylinder. Larger 𝛼, M Re cause radial velocity profile exhibit opposite behaviors middle wall momentum boundary layer thickness.

Language: Английский

---

MHD natural convection of ternary nanofluid in a porous medium incorporating stratification and radiation

ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, Journal Year: 2025, Volume and Issue: 105(5)

Published: April 18, 2025

Abstract This study explores the impact of thermal stratification on magnetohydrodynamic flow ethylene glycol and water‐based nano, hybrid, ternary nanofluids past a vertically stretching cylinder within porous medium. The nanofluid, composed silver (), cobalt ferrite zinc oxide () nanoparticles, demonstrates superior conductivity, heat transfer efficiency, stability compared to conventional, hybrid nanofluids. Governing equations are transformed into nonlinear ordinary differential using similarity variables solved numerically via 3‐stage Lobatto IIIa method in MATLAB. novelty this work lies its focus combined influence stratification, radiation, natural convection characteristics nanofluid medium, topic largely unexplored prior studies. reveals enhanced rates higher absolute skin friction for showcasing potential advanced management applications. These findings offer valuable insights optimizing cooling systems, electronic devices, other technologies reliant efficient dissipation.

Language: Английский

---

Analytical simulation of ternary hybrid nanofluid flow toward an EMHD plate under mixture base fluid, thermal radiation and velocity slip effects

ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, Journal Year: 2025, Volume and Issue: 105(5)

Published: April 19, 2025

Abstract This paper examined the characteristics of heat transfer ternary hybrid nanofluid (THNF) flow toward an electromagnetic hydrodynamic (EMHD) plate under influence various factors (temperature jump, different nanoparticles, stretching/shrinking, radiation, porous plate, and nanoparticle shape). The novelty lies in comprehensive analysis THNFs composed Fe 3 O 4 –SWCNT–MWCNT nanoparticles within water–ethylene glycol mixtures (Water–EG [70%:30%] Water–EG [50%:50%]). Mathematically, study reduced partial differential equations (PDEs) to a set ordinary (ODEs) for solution. Thereafter, using similarity transformation, PDEs models are diminished ODEs. were resolved analytically with Adomian decomposition method (ADM) Mathematica software code numerically via Runge–Kutta–Fehlberg (RK45) package. main outcome research reveals significant impact shape, concentration, base fluid composition on temperature profile nanofluid, spherical exhibiting cooler profiles due drag forces. findings contribute insightful observations into demeanor THNFs, offering systematic framework studying complex dynamics phenomena. work benefits researchers thermal management systems field engineering applications, providing deeper knowledge mechanisms flows implications optimizing enhanced efficiency performance.

Language: Английский

---

Dynamics of variable thermal conductivity and multiple slip conditions in a Carreau hybrid nanofluid flow past a stretching sheet

ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 13, 2024

Abstract The influence of thermal radiation, multiple slip boundary conditions, and binary chemical reaction on the three‐dimensional circulation unsteady magnetohydrodynamic (MHD) natural convection Carreau hybrid nanofluid () across a stretching sheet comprised heat source/sink (H‐SS) variable conductivity are investigated. Runge‐Kutta‐Fehlberg 4th‐5th order (RKF‐45), in conjunction with shooting approach, is utilized for numerical computation. Computed solutions indicate that volume fraction silicon dioxide velocity parameters tends to retard profile. It inferred from graphs temperature profile upsurges enhancing magnitude Grashof number, H‐SS parameter, mass radiative whereas converse effects parameter. parameter solutal constraint tend decrease concentration Furthermore, transfer phenomenon uplifts consideration effects, while rate diminishes magnetic activation energy.

Language: Английский

---

Impact of inclined magnetic field on natural convection in ferrofluid within a semi-circular enclosure with a heated wavy surface

Numerical Heat Transfer Part B Fundamentals, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 22

Published: July 13, 2024

Language: Английский

---

Heat transportation phenomena subject to Ellis fluid over a spinning body: A dynamics of trihybrid nanoparticles

ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 21, 2024

Abstract The boosting of base fluid thermal transport is a remarkable significance in the current research era, and numerous types techniques are being utilized to achieve this goal. mixture nanoparticles inside host responsible improve performance. modified Buongiorno's nanofluid model explored study along with significant trihybrid nanoparticle effect. fundamental equations chosen flow transformed using similarity transformation, succeeding then resolved numerically discretization Keller‐Box MATLAB. primary velocity profile directly raised large values Hartman number, unsteady, Ellis's parameters, while an inverse curves trend reported secondary velocity. speed significantly greater compared di mono‐hybrid cases, reveals that optimal achieved against tri‐hybrid cases. has 9% improvement Nusselt number when single two‐type models.

Language: Английский

---

Computation of stretching disks fluid flow of hybrid nanofluid under the effect of variable magnetic field

ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 23, 2024

Abstract Our investigation revolves around probing into the entropy generation and heat transfer phenomena within context of an unsteady flow variable magnetic hybrid nanofluid confined between parallel disks. This incorporation carbon nanotubes (both single‐walled multi‐walled) as nano‐particles dispersed a blend water ethylene glycol (50%W + 50% EG). To gain comprehensive understanding physical behavior exhibited by nanofluids, we have introduced innovative models tailored explicitly for this fluid classification. research also investigates swirling generated rotational movement circular disks along z ‐direction. Employing Buongiorno model, specifically two‐phase allows detailed examination thermal nanoparticles. analysis highlights impact Brownian diffusion thermophoresis on temperature concentration distributions system. The numerical outcomes results derived from been computed through HAM accuracy is compared with bvp4c program, providing valuable insights distinctive characteristics these nanofluids. novelty work has never shared or any other method. Hybrid Ethylene Glycol cum transferring mass in SWCNT MWCNT respectively observed.

Language: Английский

---