Magneto-hydrodynamics heat and mass transfer analysis of single and multi-wall carbon nanotubes over vertical cone with convective boundary condition

Sreedevi, P.; Reddy, P. Sudarsana; Chamkha, Ali J.

doi:10.1016/j.ijmecsci.2017.12.007

Cited by 112 publications

(52 citation statements)

References 44 publications

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“…Ghalambaz et al 3 scrutinized numerically the convective flow of Cu–water nanoliquid persuaded by a parallelogrammic enclosure saturated by porous media with mathematical model proposed by Tiwari and Das. Natural convection flow of nanoliquid in porous wavy‐walled cavity with effect of solid volume fraction of nanoparticles, thermal dispersion, and dimensionless time has been investigated by Sheremet et al 4 Many efforts have been focused on boundary layer, heat and mass transfer analysis of single‐ and multi‐walled carbon nanotubes over different geometries by several authors 5–8 and significant augmentation in rate of heat transfer of common fluids has been perceived. Prabhavathi et al 9 investigated three‐dimensional heat and mass transfer analysis of Al 2 O 3 –water‐based nanoliquid over stretching sheet by captivating nonlinear thermal radiation into consideration.…”

Section: Introductionmentioning

confidence: 99%

Impact of slip effects on unsteady Sisko nanoliquid heat and mass transfer characteristics over stretching sheet filled with gold nanoparticles

Jyothi¹,

Reddy²,

Reddy

et al. 2020

Heat Trans

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We have presented a comparison between steady and unsteady magnetohydrodynamic boundary layer flow, heat transfer features of Au-kerosene-based nanoliquid over a stretching surface by taking variable viscosity, variable thermal conductivity, and slip boundary conditions in this study. Appropriate similarity translations are engaged to reduce nonlinear partial differential equations into a set of ordinary differential equations. These equations along with boundary conditions are elucidated numerically by finite-element technique. Influence of several pertinent parameters on velocity, temperature, and concentration scatterings, in addition to that, the values of Nusselt number, skin-friction coefficient, and Sherwood number are scrutinized in detail and the outcomes are exhibited through plots and tables. It is perceived that the values of Nusselt number, skinfriction coefficient, and Sherwood number intensify in both steady-unsteady cases as the values of volume fraction parameter (ϕ) rise. K E Y W O R D S3D Sisko nanoliquid, Au-kerosene-based nanoliquid, magnetic field, slip conditions, variable thermal conductivity, variable viscosity K

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Section: Introductionmentioning

confidence: 99%

Impact of slip effects on unsteady Sisko nanoliquid heat and mass transfer characteristics over stretching sheet filled with gold nanoparticles

Jyothi¹,

Reddy²,

Reddy

et al. 2020

Heat Trans

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“…Sreedevi et al [29] studied heat and mass transfer analysis of nanofluid over a linear and non-linear stretching surface with thermal radiation and chemical reaction. Also, magneto-hydrodynamics heat and mass transfer analysis of single and multi-wall carbon nanotubes over a vertical cone with convective was studied recently by the same authors [30]. Jyothi et al [31] studied an influence of magnetic field and thermal radiation on convective flow of SWCNTs-water and MWCNTs-water nanofluid between rotating stretchable disks with convective boundary conditions.…”

Section: Introductionmentioning

confidence: 99%

Nanofluids flow over a permeable unsteady stretching surface with non-uniform heat source/sink in the presence of inclined magnetic field

Elgazery

2019

J Egypt Math Soc

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This work analyzes the unsteady two-dimensional nanofluid flow over a vertical stretching permeable surface in the presence of an inclined magnetic field and nonuniform heat source/sink. Four different types of nanoparticles, namely silver Ag, copper Cu, alumina Al 2 O 3 , and titania TiO 2 , are considered by using water as a base fluid with the Prandtl number Pr = 6.785. The governing partial differential equations are transformed to coupled non-linear ordinary differential equations by appropriate similarity transformation. Furthermore, the similarity equations are solved numerically by using the fourth-order Runge-Kutta integration scheme with Newton Raphson shooting method. A comparison of obtained numerical results is made with previously published results in some special cases, and excellent agreement is noted. Numerical results for velocity and temperature profiles as well as skin friction coefficient and local Nusselt number are discussed for various values of physical parameters. It tends to be discovered that, the magnetic field inclination angle γ has the capability to strengthens the magnetic field and reduce the velocity profile of the flow. Also, it can be found that, by using various types of nanofluids, velocity and temperature distributions change, which means that the nanofluids are important in the cooling and heating processes. The thermal boundary layer thickness is related to the increased thermal conductivity of different types of nanofluids, i.e., the minimum (maximum) value of the temperature is obtained by adding titanium oxide (silver) to the fluid as the nanoparticles.

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“…Hussien et al numerically studied convective flow and heat transfer augmentation of GNPs/MWCNTs mixture nanofluid and minitube. Sreedevi et al revealed the effect of suction/injection and magnetic field on heat and mass transfer characteristics of water‐SWCNT and water‐MWCNT made nanofluid over vertical cone pondered with porous media under the convective type boundary condition. They noticed that the nondimensional rates of velocity, temperature, and concentration escalate with growing thermal biot number values in both nanofluids.…”

Section: Introductionmentioning

confidence: 99%

Effect of SWCNTs and MWCNTs Maxwell MHD nanofluid flow between two stretchable rotating disks under convective boundary conditions

Sreedevi¹,

Reddy²

2019

Heat Trans. Asian Res.

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The aim of the current analysis is to investigate heat and mass transfer characteristics of single and multi-walled water-based carbon nanotubes Maxwell nanofluid flow between continuously rotating stretchable disks under the sway of chemical reaction and radiation. Boundary conditions of the convective type of temperature are employed at both lower and upper rotating disks in the preparation. Similarity variables are employed to transform the governing partial differential equations into the nonlinear ordinary differential equations. The computational finite element method is applied to solve this nonlinear system of equations along with boundary conditions. The sway of different admissible parameters on the profiles of concentration, temperature, and velocity are inspected and revealed through graphs. Furthermore, the numerical solutions for rates of temperature, concentration, and rates of velocity are depicted in tabular form. It is revealed that temperature sketches deteriorate with augmented values of Deborah number at both upper and lower disks of single-walled carbon nanotubes and multi-walled carbon nanotubes with water-based Maxwell nanofluids. K E Y W O R D S carbon nanotubes, chemical reaction, convective boundary conditions, finite element method, Maxwell nanofluids, thermal radiation

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Magneto-hydrodynamics heat and mass transfer analysis of single and multi-wall carbon nanotubes over vertical cone with convective boundary condition

Cited by 112 publications

References 44 publications

Impact of slip effects on unsteady Sisko nanoliquid heat and mass transfer characteristics over stretching sheet filled with gold nanoparticles

Impact of slip effects on unsteady Sisko nanoliquid heat and mass transfer characteristics over stretching sheet filled with gold nanoparticles

Nanofluids flow over a permeable unsteady stretching surface with non-uniform heat source/sink in the presence of inclined magnetic field

Effect of SWCNTs and MWCNTs Maxwell MHD nanofluid flow between two stretchable rotating disks under convective boundary conditions

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