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MHD mixed convection flow for Maxwell Hybrid nanofluid with Soret, Dufour and Morphology effects
⁎Corresponding author. mohamed.reda@fue.edu.eg (Mohamed R. Ali)
-
Received: ,
Accepted: ,
This article was originally published by Elsevier and was migrated to Scientific Scholar after the change of Publisher.
Abstract
We have investigated the two-dimensional mixed convective Maxwell hybrid nanofluid boundary layer mass and heat flows over a linearly stretching porous surface with the applied external magnetic flux. Thermal radiations along with the Dufour and Soret effects are also incorporated. The governing model of partial differential equations (PDE) is altered into ordinary differential equations (ODE) with an appropriate similarity transformation. The finite difference-based numerical method BVP4c is applied to solve the system of nonlinear ODEs. The flow features and the heat transfer characteristics have been illustrated with graphical representations and a numerical table. For varied values of the flow-related variables, organized and graphical data for the Nusselt number and skin friction coefficient are indicated. In most cases, spherical-shaped nanoparticles have a better influence on stream function, velocity and temperature distributions. This behavior is the opposite of the mass concentration profile. It has been observed that stream function decreases as increase the value of the magnetic field but opposite for mass concentration distribution and temperature profile. The temperature gradient is enhanced as a result of stronger convective flow when Soret number Sr values increase, which causes the boundary layer thickness to grow. A comparative study of hybrid nanofluid and nanofluid showed that the hybrid nanofluid has superior shear stress/skin friction and Sherwood number/surface mass flux than nanofluid flow.
Keywords
Nano-fluid
Maxwell hybrid nano-fluid
Soret and Dufour effects
Mixed convection flow
Nanoparticle Shape Factor
Data Availability Statement:
Not applicable
Nomenclature
-
Maxwell fluid parameter
-
time period of thermal relaxation
-
temperature volume expansion’s coefficient
-
thermal diffusion ratio
-
thermal buoyancy parameter
-
thermophoretic parameter
-
temperature
-
wall temperature
-
second nanoparticle thermals conductivity
-
thermals conductivity of the nanofluid
-
first nanoparticle density
-
Specifics heats of the hybrid nanofluid
-
the porosity parameter
-
viscosity of the fluid
-
Prandtl number
-
hybrid nanofluid density
-
hybrid nanofluid’s thermal conductivity
-
hybrid nanofluid’s kinematic viscosity
-
Specifics heat of the fluid
-
Gravitational acceleration
-
uniform free stream velocity
-
Temperature distribution without dimensions
-
dynamic viscosity
-
density
-
electric conductivity of the fluid
-
first volume fraction of nanoparticle
-
concentration volume expansion’s coefficient
-
amplitude of wave surface
-
temperature of mean fluid
-
mixed convection parameter
-
concentration buoyancy parameter
-
uniform wall velocity
-
concentration
-
firsts nanoparticle thermal conductivity
-
base fluids thermal conductivity
-
hybrid nanofluids thermals conductivity
-
second nanoparticle density
-
diffusivity of fluid
-
magnetic field parameter
-
Soret number
-
hybrid nanofluid's dynamic viscosity
-
Dufour number
-
Lewis number
-
skin friction coefficient
-
local Reynolds number
-
mass flux
-
variable of similarity
-
dimensionless porosity parameter
-
kinematic viscosity
-
fluid’s thermal porosity
-
ambient condition
-
second volume fraction of nanoparticle
1 Introduction
Researchers are studying mathematical simulations for non-Newtonian fluids because of the expanding tendency in technological and industrial applications. Non-Newtonian fluids are used in a variety of applications, including extrusion of metal, metal whirling, lubricant industrial for a wide range of vehicles, the molten metal distillation from non-metallic insertion, shoe business (the shoe must be filled with an exact non-Newtonian fluid to defend feet from wounds), the pharmaceutical and food sectors, and as a means of cooling. Various academics have provided non-Newtonian fluids with mathematical models to analyze their properties over time. One prominent category of mathematical models is the Maxwell model. The non-Newtonian Maxwell fluid model may forecast the temporal relaxation phenomenon, which is not achievable with the Newtonian model. Various scholars have used this model in different flow scenarios.(See Fig. 1)The geometry of the flow
The manufacturing industry relies heavily on flow and heat transmission from thermal radiation for the construction of reliable machinery, gas turbines, nuclear power plants, weapons, satellites, and spacecraft. Because heat transmission and radiative flux are significantly more important at high temperatures. The energy balance for the first and second Rayleigh–Stokes problems of the Maxwell fluid was studied by Zierep and Fetecau (Zierep and Fetecau, 2007) under the influence of varied initial and boundary circumstances. Fetecau et al. (Fetecau et al., 2009) also demonstrated an unstable flow of fractional derivatives in the Maxwell fluid under the outcome of a constant-speed accelerating plate. Choi (Choi, 1995) coined the word nanofluids, which refers to suspended nanoparticles, and it has changed the modern period owing to its varied range of engineering and technological applications. When a modest number of nanoparticles (usually comprised of Ag, Au, Al, or their oxides) sized from 1 to 100 nm is added into normal base fluids, nanofluids stimulate thermal conductivity and heat transfer rate (water, glycol, ethylene, oil). Nanofluids are the subject of several investigations. Shehzad et al. (Shehzad et al., 2016) looked studied three-dimensional Nanofluid flow by Jeffrey with internal heat production and thermal radiation. The entire inquiry is carried out with convective boundary circumstances in mind. Sisko nanofluid three-dimensional flow with an MHD boundary layer was investigated by Hayat et al. (Hayat, xxxx). Stretching the surface in two directions generates the flow. Khan et al. (Technol, 2016) studied the 3-D flow of a spinning nanofluid that encouraged a flexible surface heated convectively. They discussed nanofluid flow under the impact of thermal conductivity using two different models. Dogonchi and Ganji (Dogonchi and Ganji, 2016) used the Duan–Rach methodology, which is an improved variant of the Adomian Decomposition method, MHD radiative viscous nanofluid flow amid stretching/shrinking barriers was investigated. A chemical reaction solution for MHD three-dimensional visco-elastic nanofluid flow was provided by Ramzan and Bilal (Ramzan and Bilal, 2016). They employed HAM to determine the problem's series solution. Refs. (Kumar et al., 2022; Sajjan et al., 2022; Abderrahmane et al., 2022; Rauf et al., 2022) provide further information on the study of the hybrid nanoparticle effect.
To study heat-related energy transfer involving nano liquids, Buongiorno (Buongiorno, 2006) developed a two-phase model. Using the Buongiorno model, Akbar et al. (Akbar, xxxx) investigated natural convection influences on MHD double-diffusive nanofluid flow and discovered dual solutions for the stretching parameter. Since of its diverse geophysical and technical uses, such as some essential oils, low shear rates of blood, dyes, cleanse, polymers, fluids with colloidal particles, goods for cosmetics, pasta, liquids in suspension, ice cream, flour for making dough, sludge, and so on, the study of non-Newtonian fluids has been a hot subject among scientists and researchers in recent years. In drilling operations, the food business, and biotechnology, these fluids can be natural or manufactured, and they include oils, water, red cells, unit, and stretched chain particles.
The effects of activation energy and chemical reaction with buoyant influences on MHD nano liquid flow past a vertical surface were investigated by Mustafa et al. (Mustafa et al., 2017). Using a parameter control technique, Hsiao (Hsiao, 2017) examined the effects of activation energy thermal extrusion industrialized structure output on the development of radiation electrical magneto-Carreau nano liquid flow. In the presence of chemical reactivity, Zeshan et al. (Zeeshan et al., 2018) addressed the significance of activation energy in Couette-Poiseuille nanofluid flow. Hassan et al. (Hassan et al., 2018) investigate the convective heat transmission in nanofluid flow in a porous medium over a wavy surface. Additional details on the investigation of Maxwell fluid movement involving activation energy can be found in references (Ahmad and Khan, 2019; Layek et al., 2018; Khan et al., 2020; Ahmad and Khan, 2019; Mukhopadhyay et al., 2005).
The resulting fluids interact in a nonlinear way between dynamic viscosity and shear rate. The structures of non-Newtonian fluids cannot be revealed by a single constitutive equation. That is why researchers utilize a range of non-Newtonian fluid models in their research, both theoretical and practical (Shafique et al., 2016; Khader and Megahed, 2016; Abbas et al., 2016; Ramzan et al., 2013; Türk and Sezgin, 2016; Ramzan et al., 2015; Hayat et al., 2016; Hayat et al., 2014; Ramzan et al., 2016). The relevance of boundary layer non-Newtonian flows was highlighted by applications in the industry such as photographic films with a liquid coating, meal preparation, the condensing of a film, and reclaiming oil. The flow of stretched boundary layer is especially important in terms of technical and industrial applications including extrusion of metal, paper manufacture, glass fibre, hot rolling, film made from plastic, and illustration of a wire. Mustafa et al. (Mustafa et al., 2016) looked at a 3D rotating ferrofluid flow created by a radiative surface under magnetohydrodynamic influences. With a new notion of radiative heat flow in nonlinear form, a combination of nanoparticles is suggested. Ali et al. (Ali et al., 2016) examined the impact of Dufour and MHD Soret on viscoelastic flow in the second grade via a stretched sheet that oscillates and is permeable with heat radiation.
The Homotopy analysis method is used to resolve this issue. MHD Casson nanofluid flow across a nonlinear vertical stretching surface under the influence of heat radiation and ohmic dissolution was investigated by Pal et al. (Pal et al., 2016). Scaling group transformations are applied to convert boundary layer partial differential equations (PDE) to ordinary differential equations (ODE). The problem is solved using RKF 5th order methodology and the shooting method. Mabood and Pochai (Mabood and Pochai, 2016) investigated the solution of MHD viscous fluid flow through a nonlinear porous extended sheet using optimal Homotopy analysis. The boundary layer flow of the Maxwell fluid was addressed by Renardy and Wang ([37]). Hayat et al. (Hayat et al., 2011) observed the impact of mass transfer on Maxwell liquid inaction point flow. In a 2D stretched surface for Maxwell flow, Hayat et al. (Hayat et al., 2011) investigated the impact of mass transmission on a time-dependent MHD flow. Falkner–Skan flow with MHD Maxwell fluid, Abbas bandy (Abbasbandy et al., 2014) performed analytical and numerical solutions. Mustafa et al. (Mustafa et al., 2015) looked at stable flow in viscoelastic Maxwell nanofluids. Awais et al. (Awais et al., 2015) investigate Maxwell nanofluid boundary layer flow with heat production and absorption. Ramzan et al. utilised the BVPh. 2.0 Mathematica Package to investigate the Dufour and Soret effects of Maxwell nanofluid for a mixed convection flow through extending vertical porous surface to the outside. Refs. (Sidra et al., 2017; Asim et al., 2018; Alireza et al., 2018) provide further information on the study of Maxwell fluid flow.
A thorough review of the literature reveals that no studies on the analysis of heat and mass transfer for mixed convection, thermal radiation, with Soret, Dufour, and Morphology effects of Maxwell hybrid nanofluid flow over a linearly stretching porous surface with an applied external magnetic flux have been conducted. In this paper, we consider this flow. The linear stretching surfaces have a proportionate connection between temperature, velocity, and concentration boundary layer, according to an examination of major literature on mixed convection flow
2 Generic Model of Maxwell fluid
Macromolecular or polymeric fluids include Maxwell fluids. Numerous tests suggest that polymeric fluids have both elastic and viscous characteristics (Bird et al., 1987). They differ significantly from tiny molecular fluids as a result. The latter are properly described by Newton's law of viscosity and have viscosity as their primary characteristic.
(a)
and also known as Newtonian fluids. Here is the stress tensor of the fluid at space-time , is the shear viscosity, is the bulk viscosity, is the velocity, is the gradient operator concerning the space variable , the superscript stands for the transpose operator and denotes the unit matrix of order 3. The traditional Navier- Stokes equations are obtained by combining Newton's law of viscosity with the conservation rules of mass, momentum, and energy. Maxwell developed the following constitutive relation to explain the elastic characteristics of polymeric fluids by combining Hooke's law of elasticity and Newton's law of viscosity (Maxwell and “iv., 1867).
. (b)
The ratio of viscosity to elastic modulus is shown here . The constitutive connection is seen in a Maxwell fluid (b). This relationship illustrates how the stress tensor reacts to fluid motion in a delayed rather than instantaneous manner. Numerous additional nonlinear and realistic constitutive relations, such as the well-known upper-convected Maxwell (UCM) and Oldroyd-B models, were inspired by it (Deville and Gatski, 2012).
27736807994910400Mathematical formulation
Consider a 2-dimensional non–Newtonian, incompressible laminar flow electrically conducted boundary layer mixed convective radiative Maxwell hybrid nanofluid flow with velocity
over a linearly stretched surface in the existence of Dufour, Soret effects, and applied thermal conductivity. In the regular path-to-flow system, a strong external magnetic field
is applied. Thermal radiation is unified into the temperature equation and simplified using assumption. The system of governing equations is as follows (Jawad et al., 2021):
where u and v are velocity components in the x-direction and y-direction respectively, Brownian diffusion coefficient is , the thermophoretic diffusion coefficient is , the thermal radiation flux is , the permeability constant K, the density is , kinematic viscosity is , the specific heat is , Deborah number is , concentration susceptibility is , the thermal diffusion coefficient is , C is concentration, T is temperature, p is pressure, the strong magnetic field is M, and the porosity parameter is k respectively.
The Roseland approximation for the radiative heat flux vector
is given by
Where K* and
are respectively the coefficient of mean absorption and Stefan Boltzmann constant. The variance in temperature within the flow is presumed to be adequately tiny such that
can be represented as a linear temperature function that is achieved by expanding over
in Taylor’s series and ignoring the terms of higher-order, thereby
Then using (5) and (6), equation (3) reduces to
The values of
,
,
,
,
,
and
for hybrid nanofluid
are defined as (Ishak et al., 2009);
where
where
, are the volume fractions of solid nanoparticles such as Aluminum and copper respectively.
The boundary conditions of the problem are
To solve adequately these nonlinear differential equations, we utilized similarity transformation
By using similarity transformation (13), Eq. (1) is satisfied identically, while Eqs. (2), (3) and (7) converted to
with the boundary conditions
and the dimensionless parameters are
where represents magnetic, radioactivity parameter, Soret number and Dufour effects, is thermophoretic, is Brownian motion, Prandtl number is and is Lewis number.
3 Engineering Quantities of Interest
The skin friction coefficient and Sherwood number are well-defined for this modelled flow issue. The ratio of pure conduction heat transmission to convection heat transfer is known as the Nusselt number. skin friction coefficient is the resistance to the laminar flow of an object moving through a fluid. The proportion of convective mass transfer to mass diffusivity is known as the Sherwood number.
Where
denotes surface shear stress,
represents surface heat flux and
defines surface mass flux
Using Eq. (11) in Eq. (17), we have
0272345433020060-1317745600Shapes of Nanoparticle
Thermophysical characteristics of fluid and nanoparticles are given in Table.1. Furthermore, the shapes of nanoparticles are given. In Eqs. 7 and 8 when
the shape of the nanoparticles is spherical and when
then cylindrical. Whereas nanoparticles are laminar when
. Shapes of nanoparticles in the presence of a heat source play a dominant role in temperature.
Properties
base fluid
Nano-particle
Ethylene glycol (EG)
AL2O3
Cu
2415.5
765.0
385.0
1114.0
3970.0
8933
0.2520
40.0
400.0
5.50
10-6
59.6
106
35
106
6.50
0.850
1.670
4 Discussions of Graphical and Numerical Results:
In this section, the influence of various physical parameters such as the Dufour effects, Soret effects, Thermophoresis, Prandtl, Lewis, Maxwell number, Brownian motile, and magnetic field on the stream function, velocity, temperature and concentration profiles have been illustrated with the graphical representations as shown in Figs. 2-11. The numerical solution of linear coupled differential equations is obtained by using the MATLAB software BVP4c method. The spherical-shaped effect (n=3)
mixed in ethylene glycol base fluid shows better effects on velocity distributions and temperature profile as compared to the cylindrical and laminar-shaped effect (n=6.3698, n=16.1576). However, this behavior reversed in the case of mass concentration. In Fig 2, we analyze the impact of Dufour number and nanoparticle shape on stream function, velocity, temperature, and mass concentration profile with parameter values
. It has been observed that with the enhancement in Dufour number the stream function
and temperature distribution
decrease for the spherical, cylindrical, and laminar-shaped hybrid nanoparticles. The mass concentration increases with the increase in the Dufour number. The effect of the Dufour number on the stream function
and temperature distribution
is higher in the presence of spherical-shaped nanoparticles as compared to other particle shapes. However, this behavior is the opposite of the mass concentration profile. Fig. 3 represents the impact of Soret number and nanoparticles shape effects on stream function, and the velocity distribution
with
. It is observed that with the enhancement in Soret number, the stream function
, and the velocity distribution increase for spherical, laminar, and cylindrical. This is due to stronger convective flow when Soret number Sr values increase, which causes the boundary layer thickness to grow. Fig 4 illustrates the impact of the Maxwell Parameter and nanoparticle shape effect on stream function and mass concentration with
It is noticed that the stream function decreases when increasing the value of the Maxwell fluid parameter
whereas it is the opposite for mass concentration
and the temperature distribution
. Physically, the current figures exhibit that the fluid gets more viscous with the increasing values of
which results in the reduction of velocities of the fluid. Moreover, it is also worth mentioning here that the case for viscous HNF can be achieved for
→ ∞, i.e., the problem will reduce to a Newtonian case. Fig. 5 demonstrates the impact of the Lewis number and nanoparticle shape effect on stream function
, temperature
, and mass concentration
with
It has been noticed that the Lewis number has reverse relation with stream function, temperature, and mass concentration.(a) Representation of the effect of Dufour on the stream function
with different nanoparticle shape sizes. (b) Representation of the effect of Dufour on the temperature
with different nanoparticle shape sizes. (c) Representation of the effect of Dufour on the mass concentration
with different nanoparticle shape sizes
(a) Representation of the effect of Soret number on the stream function
with different nanoparticle shape sizes. (b) Representation of the effect of Soret on the velocity
with different nanoparticle shape sizes
(a) Representation of the effect of Maxwell parameter on the stream function
with different nanoparticle shape sizes. (b) Representation of the effect of Maxwell parameter on the temperature
with different nanoparticle shape sizes . (c) Representation of the effect of Maxwell parameter on the mass concentration
with different nanoparticle shape sizes
(a) Representation of the effect of Lewis number on the stream function
with different nanoparticle shape sizes. (b) Representation of the effect of Lewis number on the temperature
with different nanoparticle shape sizes . (c) Representation of the effect of Lewis number on the mass concentration
with different nanoparticle shape sizes.
(a) Representation of the effect of magnetic parameter on the stream function
with different nanoparticle shape sizes. (b) Representation of the effect of magnetic parameter on the temperature
with different nanoparticle shape sizes. (c) Representation of the effect of magnetic parameter on the mass concentration
with different nanoparticle shape sizes.
(a) Representation of the effect of Brownian motion parameter on the stream function
with different nanoparticle shape sizes. (b) Representation of the effect of Brownian motion parameter on the temperature
with different nanoparticle shape sizes. (c) Representation of the effect of Brownian motion parameter on the mass concentration
with different nanoparticle shape sizes.
(a) Representation of the effect of thermophoretic parameters on the stream function
with different nanoparticle shape sizes. (b) Representation of the effect of thermophoretic parameters on the temperature
with different nanoparticle shape sizes. (c) Representation of the effect of thermophoretic parameters on the mass concentration
with different nanoparticle shape sizes.
(a) Representation of the effect of Prandtl number on the stream function
with different nanoparticle shape sizes. (b) Representation of the effect of Prandtl number on the temperature
with different nanoparticle shape sizes. (c) Representation of the effect of Prandtl number on the mass concentration
with different nanoparticle shape sizes.
(a) Representation of the effect of nanoparticle volume fraction
on the temperature
with different nanoparticle shape sizes. (b) Representation of the effect of nanoparticle volume fraction
on the steam function
with different nanoparticle shape sizes. (c) Representation of the effect of nanoparticle volume fraction
on the mass concentration
with different nanoparticle shape sizes.
(a) Representation of the effect of nanoparticle volume fraction
on the stream function
with different nanoparticle shape sizes. (b) Representation of the effect of nanoparticle volume fraction
on the velocity
with different nanoparticle shape sizes. (c) Representation of the effect of nanoparticle volume fraction
on the temperature
with different nanoparticle shape sizes. (d) Representation of the effect of nanoparticle volume fraction
on the mass concentration
with different nanoparticle shape sizes.
Fig 6 exhibits the impact of magnetic field parameter on stream function, mass concentration and temperature profile. In the existence of the magnetic field, it is noticed that the spherical, cylindrical, and laminar-shaped nanoparticles demonstrate an effective role in the stream function and mass concentration distribution with . As the imposition of the applied magnetic field produces more resistance to the flow phenomenon, which in turn declines the velocity field. Therefore, due to enhancement in the M the stream function f decreases but the opposite for mass concentration distribution and temperature profile. Magnetic field parameter impact on stream function is better in the case of spherical nanoparticles as compared with Laminar and cylindrical nanoparticles. However, this behavior is the opposite of mass concentration and temperature profile. Fig 7 represents the effect of Brownian motion parameter on stream function, temperature, and mass concentration distribution with Fig 7. (a)-(c) demonstrate that for spherical, cylindrical, and laminar-shaped nanoparticles, the temperature profile and stream function profile increase with an increase in the Brownian motion parameter. For all three particles, the Brownian motion parameter declines along with the distribution of mass . The influence of spherical-shaped nanoparticles on stream function and temperature distribution is higher as compared with mass concentration. When there is a mass concentration, this tendency is reversed. Fig 8 exhibits the impact of thermophoretic parameter on the stream function , temperature and mass concentration distribution. In Fig. 8(a) it is observed that with the increase in the thermophoretic parameter the stream function decreases with the parameter . Fig 8 (b)-(c) shows that the temperature distribution decline with the increase in thermophoretic parameter but exhibits the reverse nature for mass concentration distribution with parameters The influence of spherical-shaped nanoparticles with the variation of thermophoretic parameter on stream function and temperature distribution is higher as compared with mass concentration. This behavior is reversed in the case of mass concentration. Fig. 9 manifests the outcome of Prandtl number on stream function , velocity , temperature and mass concentration . In Fig. 9 (a) it is seen that stream function grows when we increase the value of Prandtl number with the parameters Fig 9. (b)-(c) represent that the temperature distribution increases with the increase in Prandtl number whereas mass concentration decreases with the increase in Prandtl number in the presence of parameters Prandtl number impact on stream function, velocity, the temperature is better than in case of spherical nanoparticles as compared with Laminar and cylindrical nanoparticles. However, this behavior is the opposite of mass concentration. The effect of nanoparticle volume fraction on stream function , temperature , and mass concentration is depicted in Fig. 10. Fig. 10 (a)-(c) show that the stream function and the mass concentration decrease as increase the value of nanoparticle while temperature increases with the parameters Fig. 11 represents the impact of nanoparticle on stream function , velocity , temperature and mass concentration. Fig. 11 (a)-(d) show that the mass concentration increases when increasing the value of the nanoparticle but it is the opposite for stream function , velocity , and temperature with parameters Figs. 10-11 demonstrate that nanoparticle volume fraction impacts stream function, temperature is better in the case of Laminar nanoparticles as compared with spherical and cylindrical nanoparticles. However, this behavior is the opposite on mass concentration. Both the volume fraction of Alumina/Aluminium oxide and Cuprum/Copper are enhancing the thermal phenomenon. However, the thermal profiles are more prominent in the case of as compared with . The behavior of these figures is agreed with the physical behavior of the nanofluid due to the nanoparticle volume fractions. The thermal conductivity of the nanoparticles is higher than that of base fluid which in turn overall enhances the thermal conductivity of the nanofluid and become the cause of increasing temperature within the boundary layer.
Tables 2-7 represent skin friction coefficient and Sherwood number for distinct values of magnetic M, Prandtl number
, Soret effect
, Lewis numbers
and Dufour effect
. In Table 2, it is observed that the increment in
increase the SFC and Sherwood number and also decreases the Nusselt number. Table 3 also shows that by increasing the value of the Prandtl number the SFC and Nusselt number decrease and the Sherwood number rises. It is observed that the increment in
increase skin friction coefficient and the Nusselt umber and Sherwood number decrease by increment in
are shown in Table 4. Table 5 demonstrates the influence of the
on SFC, Sherwood number and Nusselt number. It is observed that by increment in
increase the Nusselt number, Sherwood number and decrease SCF. In Table 6. It is observed that by increasing the Nusselt number and Sherwood number, SCF decreases when increasing the value of
.
n
333666161616
0.10.6010.10.6010.10.601
-21.459232-21.323410-21.190571-21.459696-21.399357-21.346732-21.460414-21.435307-21.414503
0.5273110.7473030.9355250.5138600.6137810.6963480.5071680.5492100.583309
2.671201-59.192038-111.6736957.141389-20.819055-43.8169259.362078-2.378953-11.882341
n
Pr
333666161616
0.10.6010.10.6010.10.601
-20.604719-22.042966-23.134794-20.756651-22.203877-23.299788-20.822891-22.273318-23.370590
0.9087770.9738471.0219960.6877670.7087210.7244200.5831210.5837010.584415
-102.704906-124.447657-140.375088-39.852157-49.466149-56.516903-10.236043-14.228385-17.157504
n
Sr
333666161616
0.511.50.511.50.511.5
-25.377711-23.738930-22.924470-21.355995-21.371217-21.386175-21.418130-21.424155-21.430156
-20.135031-36.836038-55.6962380.9800541.4475691.9086190.7027140.9015101.100043
2027.258991956.910132010.77908-43.593679-43.228130-42.870497-11.874623-11.861714-11.848751
N
333666161616
0.10.50.90.10.50.90.10.50.9
-21.143559-21.165572-21.185929-21.317307-21.330789-21.343718-21.389164-21.400706-21.411885
0.2733420.5720160.8647620.2466360.4439820.6464430.2346830.3852820.543861
-116.098194-114.099876-112.137738-44.116233-44.012358-43.859540-11.811231-11.853569-11.878580
N
333666161616
1.52.53.51.52.53.51.52.53.5
-21.284223-21.319436-21.342987-21.367785-21.378634-21.387226-21.418434-21.420860-21.423025
0.7955710.7402650.7024280.6618460.6438510.6294950.5765770.5724130.568691
-71.904610-56.240547-45.536311-34.064113-28.979468-24.924283-9.981678-8.806366-7.755614
Parameter
Skin friction
Sherwood Number Sh
-EGnanoparticle
-
/EGHybrid nanoparticle
-EGnanoparticle
-
/EGHybrid nanoparticle
0.1
-1.8695
-1.6096
0.2770
0.2859
0.2
-2.2865
-2.0772
0.3612
0.3710
0.3
-2.5505
-2.3687
0.4156
0.4250
0.4
-2.7429
-2.5790
0.4546
0.4635
Tables 8-12 display a comparison of numerical values of skin friction coefficient and Sherwood number against the above-mentioned parameters with that of (
-EG) nanofluid and (
-
/EG) hybrid nanofluid, and in these tables (
and
) in the case of hybrid nanofluid, and (
and
)in the case of nanofluid.
Parameter
Skin friction
Sherwood Number Sh
-EGnanoparticle
-
/EGHybrid nanoparticle
-EGnanoparticle
-
/EGHybrid nanoparticle
0.1
-3.3887
-3.2744
0.5614
0.5680
0.3
-3.4605
-3.3528
0.5515
0.5575
0.5
-3.5371
-3.4363
0.5401
0.5455
0.7
-3.6195
-3.5262
0.5270
0.5315
Parameter
Skin friction
Sherwood Number Sh
M
-EGNanoparticle
-
/EGHybrid nanoparticle
-EG nanoparticle
-
/EG Hybrid nanoparticle
0.1
-2.0934
-1.9934
0.6395
0.6443
0.4
-2.2509
-2.1484
0.6291
0.6343
0.7
-2.4014
-2.2968
0.6194
0.6249
01
-2.5457
-2.4393
0.6103
0.6161
Parameter
Skin friction
Sherwood Number Sh
-EGnanoparticle
-
/EGHybrid nanoparticle
-EGnanoparticle
-
/EGHybrid nanoparticle
0.2
-3.5259
-3.2744
0.2774
0.5680
0.5
-3.4682
-3.2180
0.3847
0.6467
0.8
-3.4167
-3.1417
0.4932
0.7171
1.1
-3.3765
-3.0340
0.5940
0.7778
Parameter
Skin friction
Sherwood Number Sh
-EGnanoparticle
-
/EGHybrid nanoparticle
-EGnanoparticle
-
/EGHybrid nanoparticle
0.3
-3.3737
-3.2574
0.5885
0.5951
0.6
-3.3189
-3.1953
0.6647
0.6711
0.9
-3.2434
-3.1101
0.7322
0.7385
1.2
-3.1342
-2.9879
0.7891
0.7955
Ishak et al. (Hayat et al., 2011)
Hayat et al. [53]
Present
-1.5
0.72
0.4570
0.4570273
0.4570271
1
0.5000
0.5000000
0.5000000
10
0.6542
0.6451648
0.6451643
0
0.72
0.8086
0.8086314
0.8086312
1
1.0000
1.0000000
1.0000000
3
1.9237
1.92359132
1.9359131
10
3.7207
3.7215968
3.7215955
1.5
0.72
1.4944
1.4943687
1.4943684
1
2.0000
2.0000621
2.0000619
10
16.0842
16.096248
16.096236
It has been shown that the hybrid nanofluid has superior shear stress/skin friction and Sherwood number/surface mass flux than nanofluid flow. It is observed that the increment in decrease the SFC and Sherwood numbers for both cases. It is also observed that the increment in decrease the SFC and increases the Sherwood number for both cases. Moreover, when increasing the value of the SCF and Sherwood number increases for both cases.
Table. 13 compares the limiting situation and shows that when alternative ideologies of the Prandtl number and suction/injection parameter are taken into account, there is extremely excellent agreement for the Nusselt number.
Conclusion: In this paper, Examining the consequences of mixed convection, Soret and Dufour flow via a porous Maxwell hybrid nanofluid medium is of significant interest in this investigation on linearly stretchable sheet. On a stretched, linearly porous surface, the effects of altering temperature and concentration are also taken into account. And the comparison of nanoparticles and hybrid nanoparticles is discussed. Results were compared by graphical and numerical solutions with the help of Bvp4c MATLAB software. The problem and proposed result are both unique and have not before been covered in the literature. The following list includes the study's key conclusions: In the presence of the magnetic field parameter, the stream function increased.
-
The existence of the Prandtl number reaction reduces the mass concentration profile and increases in the presence of Brownian motion.
-
In the convection flow of different parameters Dufour number, Lewis number and Thermophoretic parameter increase temperature distribution decrease.
-
In the existence of Soret and Prandtl number velocity profile increases.
-
The nanoparticle shape factor shows a powerful aspect of the temperature profile.
-
In general, spherical-shaped nanoparticles have a better impact on stream function, velocity and temperature distributions. This behavior is the opposite of the mass concentration profiles.
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