Rupjyoti Borah

Dibrugarh University · Department of Mathematics

Physical Sciences book series aims to bring together leading academic scientists, researchers and research scholars to exchange and share their experiences and research results on all aspects of Physical Sciences. The field of advanced physical sciences has not only helped the development in various fields in Science and Technology but also contrib...

It's an Edited Book from multidisciplinary background.

An attempt has been made to investigate the hydromagnetic free convection of nanofluid in the vicinity of the lower deflation tip of a sphere which is placed at a porous medium under the synchronized influence of both thermal and mass transfer. An identical magnetic field is transversely imposed on the conducting nanofluid in direction perpendicula...

By configuring a stretching sheet in a porous medium, the Maxwell fluid model is able to simulate the flow behaviour of non-Newtonian fluids. The sheet is subjected to a consistent magnetic field applied in its normal direction. In this problem, the effects of thermal radiation, chemical reaction, and changing thermal conductivity are all considere...

The effect of homogeneous and heterogeneous reactions, as well as second-order velocity slip, on the magnetic influenced flow of nanofluid (Cu-water and MgO-water) passes above an extending surface has been examined. To alter the nature of leading equations of this problem, a new set of dimensionless variables have been employed. The resulting equa...

The main intention of this study is to differentiate the stable and realisable solutions between the dual solutions of the water-based hybrid nanofluid flow driven by a solid cone along with energy transfer in the form of heat and mass by employing a new approach called stability analysis. The deviation of thermal radiation, chemical responses and...

An attempt has been done to study the dual solutions (steady and unsteady solutions) of free convective micropolar fluid flow near the stagnation point of a sphere. Governing equations are solved numerically using suitable similarity transformations and MATLAB built-in bvp4c solver technique. The results are discussed graphically for various values...

An effort has been made to examine the dual solutions of boundary layer flow of the Casson fluid over a shrinking sheet, with the effects of Joule heating and power-law heat flux. A homogeneous magnetic field is implemented in the system along a direction normal to the flow. Appropriate similarity transformations are employed to reformulate the gov...

Investigation of the nature of dual solutions of the water-based micropolar nanofluid flow with thermal transmission due to a contracting surface has been done in the work. The flow is characterized by its shrinking velocity and imposed magnetic field. Also, this work is one of the contributions that illustrate the microrotation and microinertia de...

An attempt has been made to analyze the flow behaviours of magnetized nanofluid due to an elongating cylinder with the contemporary effects of both heat and mass transference. The flow governing equations are re-modeled into a solvable form by considering a suitable similarity transformation. The MATLAB fourth-order Runge-Kutta shooting technique i...

An effort has been put numerically to explore the nanofluid flow in porous medium past a vertical elongating surface with thermal and mass transportations by considering the non-homogeneous flow factors. In methodology, adopting some pertinent similarity conversions, the nonlinear governing PDE’s are converted into its corresponding ODE’s, and this...

The present problem investigates the nature of simultaneous effects of thermal and mass diffusions on the MHD influenced nanofluid stream through absorbent region. The absorbent region is characterized by an exponentially stretching sheet. Similarity transformation has been used in the methodology to change the nature of differential equations. Due...

A numerical investigation has been made to analyze the simultaneous effects of both thermal and mass transmissions of viscous fluid flow caused due to an extending surface that is situated at a porous medium. A homogeneous magnetic field is utilized in the vertical direction of the flow. The non-linear supported equations are modernized into solvab...

A two dimensional time independent casson fluid flow over a exponentially permeable stretching surface with viscous dissipation, radiation and chemical reaction has been analysed. An invariable magnetic field B0 is acted upon the fluid flow in the transverse direction. With the help of some suitable similarity transformation, the governing partial...

The present study examines the nature of dual solutions in hydromagnetic boundary layer flow a conducting fluid past an exponentially shrinking/stretching sheet with simultaneous thermal and concentration distributions in a porous medium. Due to the non-linearity of the model boundary value problem, both similarity transformation and the “MATLAB bu...

In this problem a steady Casson fluid flow past an exponentially stretching porous surface is considered with Suction/blowing. Here a uniform magnetic field is applied in the transverse direction to the flow. The governing partial differential equations are reduced to a set of non-linear ordinary differential equations which are further solved nume...

The endeavor of this study is to explore the nature of dual solutions (steady and unsteady) for the Casson fluid flow with the simultaneous consequences of both thermal and mass transmissions. The flow passes above an absorbent elongating sheet in the existence of a constant magnetic field. The supported leading equations are remodeled into a set o...

Numerical procedure of solving boundary value problems using MATLAB software has been applied to study the irreversibilies caused by magnetized micropolar fluid streaming above an extending surface. The factors responsible for irreversibilities are thermal and concentration distributions, Lorentz force etc. The entropy generation rates are shown pi...

An analysis has been done to scrutinize the existence of dual solutions of the Casson nanofluid caused due to an exponential form of stretching surface which is situated in porous medium and second order velocity slip. An uniform magnetic field is considered in the transverse dirction of the flow. A suitable similarity transformation is employed to...

Stability on dual solutions of second-grade fluid flow over a stretching surface with simultaneous thermal and mass diffusions has been studied. The fluid flow is governed by Lorentz force and energy dissipation due to viscosity. Lorentz force is generated due to the application of magnetic field along the transverse direction. In methodology, suit...

The heat and mass transfer phenomena of fluid flow due to a shrinking cylinder has been investigated. In methodology, similarity transformation has been adopted and to get numerical results, MATLAB built in bvp4c solver scheme is used. The manners of the flow with the both heat and mass transfers characteristic for different flow parameters are dis...

An effort has been prepared numerically to investigate thermophoresis and diffusion thermo effects on liquid motion past a permeable surface. Motion is managed by the constitutive equation of power law fluid model. External forces appeared in the flow system are Lorentz force due to external magnetic field, buoyancy force. Similarity transformation...