Two-Dimensional Mixed Convection and Radiative Al2O3-Cu/H2O Hybrid Nanofluid Flow over a Vertical Exponentially Shrinking Sheet with Partial Slip Conditions

Asghar, Adnan; Ying, Teh Yuan; Zaimi, Khairy

doi:10.37934/cfdl.14.3.2238

Cited by 27 publications

(7 citation statements)

References 60 publications

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“…An analysis of stability revealed that the upper (first) solution was stable, while the lower (second) solution was unstable. Asghar et al, [28] investigated an exponentially contracting vertical surface in mixed convection flow under slip conditions and radiation effects. To solve numerically, they used the bvp4c function in MATLAB.…”

Section: Magnetic Field Bvp4cmentioning

confidence: 99%

Exploration of Recent Developments of Hybrid Nanofluids

Nur Syahidah Nordin,

Abdul Rahman Mohd Kasim,

Masyfu’ah Mokhtar

et al. 2024

ARFMTS

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Over the past two decades, research on hybrid nanofluids has developed at a breakneck pace. Hybrid nanofluids are the potential fluids that outperform conventional nanofluids heat transfer fluids regarding thermophysical characteristics and thermal performance. Hybrid nanofluids are traditionally prepared by emulsifying each nanoparticle into the base fluid independently or diffusing both particles as a composite form into the base fluid. Despite the popularity and broad application of hybrid nanofluids in industrial/manufacturing processes, the review article classifying the mathematical models and categorization of the various hybrid nanofluids is limited in the scientific community. In light of this, this study examines recent and past research articles on deterministic hybrid nanofluid flow problems by exploiting different categorizations and metrics (method to solve the differential equation, the geometry of choice and thermophysical effects that have been employed as well as the nano-particle types). Researchers will be able to use the findings of this study for a future research proposal. Essentially, it is to fill in the gaps in the literature, particularly regarding the mathematical model for hybrid nanofluid flow problems and determining the geometry, thermophysical properties, and nanoparticle type.

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Section: Magnetic Field Bvp4cmentioning

confidence: 99%

Exploration of Recent Developments of Hybrid Nanofluids

Nur Syahidah Nordin,

Abdul Rahman Mohd Kasim,

Masyfu’ah Mokhtar

et al. 2024

ARFMTS

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“…However, due to their own advantages and disadvantages, hybrid nanofluids came into existence and may offer a tradeoff between them. For instance, Asghar et al [21] performed a numerical study on the impact of hybrid nanofluid (Al2O3-Cu base) over vertical shrinking sheets using partial slip conditions. From this study, the enhancement in heat transfer was observed along with the rise in thermal slip and temperature distribution.…”

Section: Greek Symbolsmentioning

confidence: 99%

Numerical assessment of solar air heater performance having a broken arc and broken S-shaped ribs as roughness

Haldiaa,

Bishta,

Bhandarib

et al. 2024

Archives of Thermodynamics

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This research article aims to provide a detailed numerical study of the multifaceted impact of S-shaped and broken arc roughness on solar air heaters. Therefore, a strong comparison was made between the modified heaters and smooth heaters for Reynolds numbers ranging from 2 00022 000. Also, the impact of two parameters, i.e. pitch and gap was analyzed to optimize the performance of the heater. The gap varies from 0.3 mm to 0.9 mm in both types of ribs with a step size of 0.2 mm. Afterwards, the pitch distance between both types of roughness was varied from 15 mm to 25 mm in the step size of 5 mm. Notably, it has been observed that among all the considered configurations, the gap length of 0.9 mm and pitch length of 25 mm have shown significant improvements in heat transfer characteristics. The specific combination of the gap of 0.9 mm and pitch of 25 mm has demonstrated better heat transfer capabilities at the expense of an increased friction factor. Lastly, the thermal performance factor of the systems was analyzed and reported. It was reported that the pitch length of 25 mm and gap length of 0.9 mm have shown a maximum thermal performance factor value from 2.9 to 3.3, while the pitch length of 25 mm and gap length of 0.3 mm have depicted the lowest thermal performance factor value. In terms of the overall performance, i.e. the thermal performance factor, the combination with a gap of 0.9 mm and pitch of 25 mm has shown the best performance, while a gap of 0.3 mm and pitch of 25 mm has yielded the worst performance.

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“…Eid and Nafe [17] noted that the thermal slip parameter affects the flow over the stretching sheet differently from the shrinking sheet. Besides that, many researchers have studied hybrid nanofluid flow with slip boundary conditions [18][19][20][21][22]. However, most of these studies did not consider the effects of mass slip on the hybrid nanofluid flow.…”

Section: Introductionmentioning

confidence: 99%

Hybrid Nanofluid Flow with Multiple Slips Over a Permeable Stretching/Shrinking Sheet Embedded in a Porous Medium

Yahaya¹,

Arifin²,

Ali³

et al. 2023

ARFMTS

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Including slip boundary conditions in the study involving the flow of foams, emulsions, polymer solutions, and suspensions over moving surfaces are crucial for real-life applications. The current study analysed the multiple slips effects on the magnetohydrodynamics (MHD) flow of Ag-CuO/water hybrid nanofluid past a permeable stretching/shrinking sheet embedded in a porous medium. Appropriate similarity variables are introduced for transforming the governing equations and boundary conditions into ordinary differential equations before being solved using the bvp4c solver. Dual solutions are yielded from the numerical computation of flow over a shrinking sheet, and the first solution is identified as stable through a stability analysis. It is found that the imposition of velocity, thermal, and mass slips promotes the reduction of momentum, thermal, and concentration boundary layer thickness, respectively. The hybrid nanofluid around the sheet is observed to flow at a different velocity from the sheet due to the imposition of velocity slip. Thermal and mass slips, meanwhile, obstruct the flow's ability to transport heat and mass. An increased suction parameter, however, can aid in enhancing the rates of heat and mass transfers.

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Two-Dimensional Mixed Convection and Radiative Al2O3-Cu/H2O Hybrid Nanofluid Flow over a Vertical Exponentially Shrinking Sheet with Partial Slip Conditions

Cited by 27 publications

References 60 publications

Exploration of Recent Developments of Hybrid Nanofluids

Exploration of Recent Developments of Hybrid Nanofluids

Numerical assessment of solar air heater performance having a broken arc and broken S-shaped ribs as roughness

Hybrid Nanofluid Flow with Multiple Slips Over a Permeable Stretching/Shrinking Sheet Embedded in a Porous Medium

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