Effective Thermal Diffusivity Research Articles

Using a fluidised bed to measure and investigate the thermal diffusivities and pyrolysis of some woods at temperatures of 200–600 °C

Small cubes (sides ≤ 7 mm) of four different woods, with thermocouples inside them to constantly measure the temperature at their centre, have been pyrolysed in electrically heated beds of sand, fluidised by nitrogen. These determinations of a particle’s central temperature have provided values of the effective thermal diffusivity of each wood, as well as of the resulting solid, at 5 different stages, whilst it changed from dried wood at room temperature to the char left after being pyrolysed at progressively higher temperatures up to 600 °C. In addition, these woods underwent endothermic decomposition, particularly whilst being heated from ∼250 to 340 °C and from 380 to 460 °C. However, at ∼480 to 540 °C, all four woods thermally decomposed exothermally and actually raised the temperature at the cube’s centre above that of the fluidised bed. In addition, the times for complete pyrolysis were measured and their dependence on particle size was investigated.

Observation of Negative Effective Thermal Diffusion in Gold Films

Ultrafast light-induced spatiotemporal dynamics in metals in the form of electron and/or phonon heating is a fundamental physical process that has tremendous practical relevance. In particular, understanding the resulting lateral heat transport is of key importance for various (opto)electronic applications and thermal management but has attracted little attention. Here, by using scanning ultrafast thermo-modulation microscopy to track the spatiotemporal electron diffusion in thin gold films, we show that a few picoseconds after the optical pump there is unexpected heat flow from phonons to electrons, accompanied by negative effective thermal diffusion, characterized by shrinking of the spatial region with increased temperature. Peculiarly, this occurs on the intermediate time scale, between the few picosecond long thermalization stage and the many picosecond stage dominated by thermoacoustic vibrations. We accurately reproduced these experimental results by calculating the spatiotemporal photothermal response based on the two-temperature model and an improvement of the standard permittivity model for gold. Our findings facilitate the design of nanoscale thermal management strategies in photonic, optoelectronic, and high-frequency electronic devices.

An analytical study on transient thermal behavior of a packed-bed molten salt thermocline thermal storage

A volume averaged set of the governing equations for local thermal non-equilibrium fluid saturated porous media was applied to study transient thermal behavior of convection and conduction within a packed-bed thermocline thermal storage tank. General analytical expressions, which agree well with numerical results, were derived for the prediction of transient temperature fields of molten salt and granulated material. Three important dimensionless parameters, namely, the solid fluid heat capacity ratio, interstitial Stanton number and Peclet number based on the effective thermal diffusivity, are identified to investigate their effects on the thermal response of the packed-bed thermocline thermal storage tank. An explicit analytical expression for the effective discharging efficiency has been derived as a function of the three important dimensionless parameters. The expression may serve as a powerful tool to design a packed-bed thermocline thermal storage tank according to required operational conditions.

On the invariance of flame-motion-induced variations of the generalized disturbance energy

The response of a one-dimensional laminar premixed flame to an inlet velocity forcing is investigated within the disturbance energy budget (DEB) framework. It is evidenced that the flame behaviour can be characterized through two dimensionless numbers. The first is a Strouhal number St, which is related to the flame motion and compares the flame front flapping length scale to the laminar premixed flame thickness δL0. The second is the normalized velocity forcing level η, i.e., the ratio between the amplitude of the inlet velocity variation and the laminar flame speed. Among the various disturbance energy sources, three terms, which do involve temperature (entropy) fluctuations, have significant growth-rates. These are: (i) the thermoacoustic source, (ii) an entropic term related to the coupling between entropy and temperature gradient variations, and finally (iii) a sink term relevant to thermal diffusion effects. For moderate forcing levels, the sole knowledge of these three terms together with St are sufficient to describe the flame dynamics. However, for larger forcing levels, the aforementioned contributions are no longer predominant over the transient variations of the disturbance energy that are induced by velocity fluctuations. Indeed, although the growth-rates of the corresponding source terms remain marginal — regardless of forcing amplitude and frequency — they must be taken into account so as to predict the evolution of the system, and the second non-dimensional number η becomes necessary to proceed with its precise characterization.

Research Progress in Capping Diamond Growth on GaN HEMT: A Review

With the increased power density of gallium nitride (GaN) high electron mobility transistors (HEMTs), effective cooling is required to eliminate the self-heating effect. Incorporating diamond into GaN HEMT is an alternative way to dissipate the heat generated from the active region. In this review, the four main approaches for the integration of diamond and GaN are briefly reviewed, including bonding the GaN wafer and diamond wafer together, depositing diamond as a heat-dissipation layer on the GaN epitaxial layer or HEMTs, and the epitaxial growth of GaN on the diamond substrate. Due to the large lattice mismatch and thermal mismatch, as well as the crystal structure differences between diamond and GaN, all above works face some problems and challenges. Moreover, the review is focused on the state-of-art of polycrystalline or nanocrystalline diamond (NCD) passivation layers on the topside of GaN HEMTs, including the nucleation and growth of the diamond on GaN HEMTs, structure and interface analysis, and thermal characterization, as well as electrical performance of GaN HEMTs after diamond film growth. Upon comparing three different nucleation methods of diamond on GaN, electrostatic seeding is the most commonly used pretreatment method to enhance the nucleation density. NCDs are usually grown at lower temperatures (600–800 °C) on GaN HEMTs, and the methods of “gate after growth” and selective area growth are emphasized. The influence of interface quality on the heat dissipation of capped diamond on GaN is analyzed. We consider that effectively reducing the thermal boundary resistance, improving the regional quality at the interface, and optimizing the stress–strain state are needed to improve the heat-spreading performance and stability of GaN HEMTs. NCD-capped GaN HEMTs exhibit more than a 20% lower operating temperature, and the current density is also improved, which shows good application potential. Furthermore, the existing problems and challenges have also been discussed. The nucleation and growth characteristics of diamond itself and the integration of diamond and GaN HEMT are discussed together, which can more completely explain the thermal diffusion effect of diamond for GaN HEMT and the corresponding technical problems.

Magnetic Induction, Hall Current and Thermal Diffusion Effects on Unsteady MHD Nanofluif Flow Past an Oscillatory Semi-Infinite Vertical Flat Plate Embedded In A Porous Media

Magnetic Induction, Hall Current and Thermal Diffusion Effects on Unsteady MHD Nanofluif Flow Past an Oscillatory Semi-Infinite Vertical Flat Plate Embedded In A Porous Media

Thermal Radiation and Mass Transfer Analysis in an Inclined Channel Flow of a Clear Viscous Fluid and H2O/EG-Based Nanofluids through a Porous Medium

Nanofluid flow has acquired various interesting dimensions with the advent of several novel approaches to studying thermophysical properties. The present work focuses on a comparative study of clear viscous and nanofluid (EG−Al2O3, EG−Zr, H2O−Al2O3, H2O−Zr) flow in a two-phase inclined channel saturated with a porous medium in the presence of thermal radiation, species diffusion, and viscous and Darcy dissipation effects. The controlling equations of the flow model were solved analytically using the regular perturbation technique. The graphical solutions are used to examine the impacts of physical parameters on the most significant flow features. Surface graphs with distinct entrenched parameters represent heat transfer rates and shear stresses on plates. The resulting heat transfer was enhanced by raising the thermal and solute buoyancy strengths, while thermal radiation had the opposite outcome. This enhancement of temperature was maximum for water–zirconium and minimum for ethylene glycol–aluminum oxide nanofluid. The concentration of the entire fluid medium is reduced by decreased mass diffusivity. The enhancement of temperature and velocity is found to be maximum in the nanofluid region and clear fluid region, respectively. This study is validated with previously published works to demonstrate its effectiveness.

Modified Finite Element Study for Heat and Mass Transfer of Electrical MHD Non-Newtonian Boundary Layer Nanofluid Flow

Research into the effects of different parameters on flow phenomena is necessary due to the wide range of potential applications of non-Newtonian boundary layer nanofluid flow, including but not limited to production industries, polymer processing, compression, power generation, lubrication systems, food manufacturing, and air conditioning. Because of this impetus, we investigated non-Newtonian fluid flow regimes from the perspectives of both heat and mass transfer aspects. In this study, heat transfer of electrical MHD non-Newtonian flow of Casson nanofluid over the flat plate is investigated under the effects of variable thermal conductivity and mass diffusivity. Emerging problems occur as nonlinear partial differential equations (NPDEs) in opposition to the conservation laws of mass, momentum, heat, and species transportation. The shown problem can be recast as a set of ordinary differential equations by making the necessary changes. A modified finite element method is adopted to solve the obtained set of ODEs. The numerical method is based on Galerkin weighted residual approach, and Gauss–Legendre numerical integration is adopted in the modified finite element method application procedure. To clarify the obtained results, another numerical technique is employed to solve the reduced ODEs. With the help of error tables and the flowing behavior of complicated physical parameters on estimated solutions, this study graphically and tabulatively explains the convergence of analytic solutions. Comparing some of the obtained results with those given in past research is also done. From the obtained results, it is observed that the velocity profile escalates by improving the electric parameter. Our intention is for this paper to serve as a guide for academics in the future who will be tasked with addressing pressing issues in the field of industrial and engineering enclosures.

Investigation of cellular characteristics of hydrogen-ethanol flame at elevated temperatures and pressures

The blending of hydrogen into ethanol for use is attracting increasing interest and it is necessary to study its laminar combustion characteristics for better application in combustion units. The instability of hydrogen-ethanol spherically expanding flame has been investigated at initial temperatures of (370 K, 400 K, and 450 K), initial pressures of (2–4 bar), and equivalence ratios of (0.7–1.4) using the constant volume combustion chamber (CVCC). High-speed schlieren technology was used to record flame propagation images. The effects of hydrodynamic and thermal-diffusion effect on the inherent instability of the flame were investigated. The thermal-diffusion effect was found to stabilize the flame surface under all conditions, as judged jointly by the effective Lewis number and the critical Lewis number. The main contribution to flame instability therefore came from hydrodynamic effects, and this was conclusively verified by looking at the trends in the global growth rates of the various instability parameters. The effect of changes in initial pressure and initial temperature on the critical conditions for flame instability (critical radius and Peclet number) was analyzed using linear stability theory. It was found that flames were more prone to cell instability at higher pressures and temperatures. In addition, as the equivalence ratio increased, the monotonic variation of the critical Peclet number and the non-monotonic variation of the flame thickness caused a trend of decreasing and then increasing critical radius. It was noteworthy that the most unstable state for all conditions studied was at about Ф=1.2. The comparison between theoretical calculations and experimental results was generally consistent, with only some differences at Ф = 1.4. Moreover, empirical correlation formulas for the critical Peclet number (Pec) and Markstein number (Ma) were proposed.

Study on heat transfer characteristics of cement-based honeycomb structures based on infrared imaging

The honeycomb structure may become the most potential material for constructing low-carbon and energy-saving buildings due to its excellent mechanical and thermal properties. The aim of this study was to investigate the temperature field evolution and heat transfer mechanism of cement-based honeycomb structures (CHSs) based on infrared thermal imaging technology. And the effects of heat source temperature and cavity bulk density on the temperatures of CHS were investigated. The results show that the heat transfer of CHS develops from an unsteady state to a steady state, and its thermal diffusion effect weakens layer by layer upward through the honeycomb cavities. The CHS temperatures increase linearly with increasing heat source temperature, but the temperature increase of the cavity wall is significantly higher than that of the air in the cavity. When the heat source temperatures increase from 40 to 85 °C, the temperature differences between the cavity wall and the air in the cavity increase in the range of 4.67–12.50 °C. The temperatures of the CHSs show a decreasing trend with increasing cavity volumes, and the air temperature reduction in the cavity is about 1.90–2.19 times that of the cavity wall. Moreover, it is found that the cavity wall temperature is mainly controlled by the heat source. In contrast, the air temperature in the cavity is influenced by both the heat source and the cavity volume. Ultimately, we speculate that increasing the thermal resistance of the cavity wall and the cavity volume is beneficial to improve the thermal insulation performance of the CHS.

Liquid film and heat transfer characteristics during superheated wall cooling via pulsed injection of a liquid jet

Pulse firing is one of the major operation modes of bipropellant thrusters for the attitude control of small-scale spacecrafts. In the pulse-firing mode, the operational range of the thruster depends on the deterioration of liquid film cooling performance. Because cooling performance is determined by the balance of heat removed by the liquid film and transferred to the manifold, the behavior and heat transfer characteristics of liquid films under the intermittent injection of liquid jets must be understood to enable a wider range of operational patterns. We conducted cooling tests on a superheated metal plate via the pulsed injection of a liquid jet for better understanding of the pulsed cooling process. Different injection patterns, including continuous injection, with the same injection quantity were examined on two types of metal plates (aluminum alloy and copper), because the thermal properties of metal plates affect both the heat transfer characteristics of the liquid film and temperature rise of the plate during the inter-pulse duration. The cooling process was evaluated based on the evolution of the liquid film on the metal plate and rear-side temperature of the metal plate. The evolution and temperature were simultaneously visualized using a high-speed camera and infrared camera, respectively. To link the liquid film state to the heat transfer process, the temperature and heat flux on the cooled surface were estimated by solving the inverse problem of three-dimensional transient heat conduction. The results indicate that the wetting front position corresponds to the position of the maximum temperature gradient. Additionally, the residual liquid film is consumed through the evaporation and the droplet dispersion related to the nucleate boiling. The effects of thermal inertia and diffusivity of the metal plate highlight the differences in the amount of heat removed by the liquid film. The heat removed by the liquid film during pulsed cooling exhibited a peak and was higher than that removed by continuous injection on the aluminum alloy plate. Less heat was removed under low-duty-cycle conditions, and the amount of heat removed by the liquid film was lower than that removed by continuous injection on the copper plate.

Numerical study of different Pr number medium turbulent cross flow in staggered tube bundle

Tube bundle heat exchangers have been recognized as the most efficient means of thermal exchange. The staggered row method can enhance the performance of a heat exchanger. However, it results in a large pressure drop loss. As working media with high thermal conductivities, liquid metals can potentially replace conventional working media. In this study, for working fluids with low Prandtl number cross flowing through a staggered tube bundle, the turbulent Prandtl number model of cross flow was verified. The unsteady characteristics of the two working fluids traversing through the tube bundle were analyzed. The effects of molecular thermal diffusion on the total heat transfer capacity of the two working fluids during heat transfer were compared, along with the changes in the circumferential heat transfer characteristics of the tube bundles under different Reynolds numbers. The ζ factor was then proposed to analyze the non-uniformity in the heat transfer characteristics of a single tube. An empirical correlation describing the heat transfer non-uniformity at the fully developed region and inlet region and involving parameters such as working properties and flow state was proposed based on computational fluid dynamics data. Finally, the performance evaluation criteria(PEC) factor was used to analyze the comprehensive performance of the two heat transfer fluids. The results revealed that the comprehensive heat transfer performance of mercury was 60–70 times that of conventional working fluids.

Effective Thermal Diffusion of Eu(III) and F Ions into Hydroxyapatite Nanoparticles by Citric Acid Coordinative Mediation

We synthesized citric acid (Cit)-coordinated Eu3+ and F– codoped hydroxyapatite (Cit/Eu:HA-F) nanoparticles (NPs) and investigated their ion diffusion processes based on photoluminescence (PL) properties at the near-surfaces with thermal treatment. At 85 °C, the Cit coordination layer effectively suppressed the nonradiative deactivation of HA NP surfaces in the PL process, and the quantum yield (ηint) of Eu3+ ions reached a maximum value of ca. 33%, indicating the highest PL efficiency in the HA system. At 250 °C, Cit was decomposed into aconitic acid with a high optical absorption coefficient and reducing ability, so that the ηint of the Eu ions in the NPs were minimized and the partial Eu3+ ions were resultantly reduced to Eu2+ ions. At around 350 °C, the Eu ions were partially diffused from Ca(I) into Ca(II) sites. At 550 °C, the proportion of Eu ions in Ca(II) sites dramatically reached up to ca. 31%, and the F– ions simultaneously diffused into the HA structures by substituting for the OH sites. Therefore, it was elucidated that the Cit molecules coordinated to the Eu and F– codoped HA surfaces achieved higher ηint and promoted the diffusion of various ions into the HA structures with thermal treatment and resultantly controlled the existence ratio of the Eu3+ and Eu2+ ions at the near surfaces, which could be expected to control the PL color by the Cit coordinative mediation technique and realize the creation of cell-labeling luminescent nanomaterials in biomedical fields.

From pilot knowledge via integrated reservoir characterization to utilization perspectives of deep geothermal reservoirs: the 3D model of Groß Schönebeck (North German Basin)

The Groß Schönebeck site in the North German Basin serves as research platform to study the geothermal potential of deeply buried Permian reservoir rocks and the technical feasibility of heat extraction. The structural setting of the site was investigated in more detail by a newly acquired 3D-seismic survey to improve the former conceptual model that was based on several old 2D seismic lines. The new data allow a revision of the geological interpretation, enabling the setup of a new reservoir model and providing base information for a possible further site development of Permo-Carboniferous targets. The 3D seismic allows for the first time a consistent geological interpretation and model parameterization of the well-studied geothermal site. Main reflector horizons and the corresponding stratigraphic units were mapped and the structural pattern of the subsurface presented in the 8 km × 8 km × 4 km large seismic volume. Attribute analysis revealed some fracture and fault patterns in the upper Zechstein and post-Permian units, while formerly hypothesized large offset faults are not present in the Rotliegend reservoir. However, a well-established graben-like structure at the top of the Zechstein succession is most likely related to broken anhydritic brittle intra-salt layers of some meter of thickness. Most reflectors above the salt show a rather undisturbed pattern. The main reservoir sandstone of the Dethlingen Formation (Rotliegend) was mapped and characterized. The base of the underlying Permo-Carboniferous volcanic rock sequence and hence its thickness could not be depicted reliably from the geophysical data. Based on the seismic data and the available reconnaissance drilling, logging, and laboratory data of the Groß Schönebeck research site, the thickness and distribution of the sedimentary Rotliegend (with emphasis of the sandy reservoir section) and of the volcanic rock sequence was modelled and stochastically parameterized with petrophysical properties guided by seismic facies pattern correlation, providing a more realistic reservoir description. Properties include total and effective porosity, permeability, bulk density, thermal conductivity, thermal diffusivity, and specific heat capacity. The data and interpretation constitute the basis for a better understanding of the thermo and hydromechanical processes at the site and for future measures. Further site development could include a deepening of one well to provide evidence on the volcanic rock sequence and consider deviated wells into favourable zones and the design of a fracture-dominated utilization approach.

EFFECTS OF MAGNETIC FIELD AND THERMAL RADIATION ON DOUBLE DIFFUSION OF A SOLID PHASE IN THE TWO CONNECTED CIRCULAR CYLINDERS SUSPENDED BY NEPCM AND POROUS MEDIA

The novelty of the present work is studying the influences of thermal radiation and magnetic field on the double diffusion of solid phase in the novel cavity of two linked cylinders suspended by nano-encapsulated phase change materials (NEPCMs) and porous media. The complex cavity contains two circular cylinders connected by an open gate occupied by solid particles. Two different boundary conditions including hot and cold for the solid phase are conducted in this work. The incompressible smoothed particle hydrodynamics (ISPH) method is improved to solve the time-fractional governing equations of the physical problem. The mesh-free nature of the ISPH method helps in treating the different materials of the solid and fluid phases efficiently. The physical parameters are dimensionless time parameter τ, Hartmann number Ha, thermal radiation parameter Rd, fractional time-derivative α, Darcy parameter Da, Rayleigh number Ra, and fusion temperature θ<sub>f</sub>. The main findings of the numerical simulations indicated that the fractional time-derivative parameter changes the transmission of heat-mass and nanofluid developments during the initial time steps. The Rayleigh number works well in improving the interactions between the solid and fluid phases due to the high buoyancy forces. Increasing the Rayleigh number improves the intensity of the temperature, concentration, and nanofluid speed in a cavity at Case 1 (C1) and Case 2 (C2). The phase change zone is changing according to the alterations of boundary conditions, Rayleigh number, and fusion temperature. Increasing thermal radiation parameter shrinks the nanofluid movements and mean Nusselt number Nu.

FEM heat transfer modelling with tomography-based SiCf/SiC unit cell

Modern industry has become increasingly reliant on composite materials for a variety of applications, and the nuclear industry is no exception to this. Among the materials being researched as Enhanced Accident Tolerant Fuels, ceramic matrix composites such as SiC-fiber-reinforced SiC (SiCf/SiC) figure as some prime candidates due to their excellent high temperature performances. SiCf/SiC so far shows adequate nuclear, mechanical and chemical properties; still, the thermal properties need further investigation. The thermal behavior of a material is an important factor for its performance as a nuclear fuel cladding, i.e. the first barrier encapsulating the fuel pellets. Many features determine the resulting properties of composite materials, such as matrix and fiber reinforcement properties and orientation, void fraction, and pore morphology. This study establishes a methodology to study the physical properties of composite materials and applies it to SiCf/SiC. A FEM model is used to characterize the thermal properties of a fundamental SiCf/SiC element, referred to as a �unit cell�, with the objective of accurately predicting the thermal properties of this complex class of materials where experimental data is often difficult to obtain. The unit cell is built based on data acquired with high-resolution tomographic microscopy performed at the TOMCAT beamline of the Swiss Light Source. By using phase-retrieval prior to tomographic reconstruction, the pores, fibers and matrix that compose the material can be distinguished in the data analysis. The separated information is processed to obtain geometrical information about the individual pores and fibers, which is then used to parametrize them as cylindrical objects. This allows constructing a FEM model of a cubic unit cell that is used to extract the effective thermal properties of SiCf/SiC. The analysis scheme includes steady-state and dynamic thermal transport simulations, which yield directional effective thermal conductivity and diffusivity values, respectively. Both modes of analysis show isotropic thermal conductivity values in the range of 71 W/m/K at room temperature, more than three times that of currently employed nuclear cladding materials. Combining these results with the data on the larger structural features of the material will lead to realistic results on the macroscopic thermal properties.

How to Accurately Measure the Effective Thermal Diffusion Conductivity of Vapor Chamber by Angstrom Method

How to Accurately Measure the Effective Thermal Diffusion Conductivity of Vapor Chamber by Angstrom Method

Soret and Dufour Effects on Combined Sakiadis and Casson Fluid Flows Towards Horizontal Surface: A Cattaneo-Christov Heat Flux Model

This study’s findings are Soret and Dufour Possessions upon steady, glutinous, incompressible with joint tide of Sakiadis and Casson fluids headed for horizontal surface in the ferromagnetic materials, the arise and Cattaneo-Christov warmness flux model using numerical solutions. Diffusion thermo in addition framework of thermoelastic thermal conductions are added voguish energy equation as well as thermal diffusion effect is added in concentration equation. Using similarity quantities, the fundamental governing equations are besides order to another sequence pertaining to finite difference numerical integration high not straight besides resolved used this Runge-Kutta process arithmetically based bombardment procedure. These flow variables such as, rapidity, hotness and deliberation silhouettes are discussed graphically by variations of pertinent parameters. Also, the quantities related engineering aspects like casing-abrasion, Nu numeral besides Sh numeral coefficients were also acquired but rather illustrated concluded even forms. Procured analytical results have been compared near reported writings but instead kept trendy good accord.

Compositionally modulated Ni-W multilayer coatings: A facile approach to enhance the tribological performance

Ni-W multilayer coatings consisting of alternate soft (⁓ 2.6 GPa) and hard (⁓ 8.5 GPa) layers with individual layer thickness (λ) ranging from ∼ 0.05 to 2.5 µm were deposited using the pulse reverse current electrodeposition. These multilayer coatings demonstrated a significant reduction in the residual stresses while retaining high hardness. The residual stresses generated within the multilayer coatings were found to be effectively accommodated by the soft Ni-W layers as per deconvoluted XRD analysis. Ni-W multilayer coating with λ ⁓0.1 µm exhibited superior sliding wear resistance compared to its homogeneous counterparts. The improved wear resistance was attributed to low residual stresses and effective thermal diffusion through soft layer.

Casson-Nano-Magneto Hydrodynamics Boundary Layer Fluid Flow Towards a Stretching Sheet Including the Effects of Cross Diffusion, Velocity and Thermal Wall Slips

In the occurrence of velocity, thermal wall slip, cross-diffusion belongings (thermal diffusion also thermal diffusion), the possessions of Thermophoresis & Brownian action on the magneto hydro dynamic border coating of Casson-nano fluids in the direction of the stretched layer are studied through numerical solutions. The diffusion thermo effect is added to the energy equation, and the thermal diffusion effect is introduced into the concentration equation. Use similar values to convert the basic flow control equations hooked on ordinary standard differential calculations, & then use the Runge-Kutta method to numerically solve them based on these basic equations. The influence of many technical factors can be determined from these basic equations. Using these basic equations, imaging techniques were worn to learn the influence of a variety of technical factors on various flow variables (such as the velocity, temperature, concentration, & concentration sharing of nanoparticles). In addition, the numerical form also shows the quantity related to the flow factor, such as surface friction, Nusselt number & Sherwood number. Finally, the numerical results attained are compared, and they are completely consistent through the published results in the literature. The experimental results show that as the magnetic field and casson fluid parameters are increased, the velocity profiles decrease. With increasing effects of Thermophoresis and Brownian motion, the temperature profiles are increase. As the values of Dufour number increases, the temperature profiles are also increases. An expansion of the Thermophoresis parameter leads to increased nanoparticle volume concentration distribution and the reverse effect is detected in case of Brownian motion effect. With increasing values of the Soret number parameter, the concentration profiles increase.