Search results for: M. G. Sobamowo

Items from 1 to 20 out of 23 results

article

Comparative Predictions of the Flow Characteristics of Viscous Nanofluid in a Porous Channel with Expanding/Contracting Walls under the Influence of Magnetic Field

S. A. Oladosu, R. O. Kuku, M. G. Sobamowo

World Scientific News > 2023 > 179 > 1-26

This work presents numerical and analytical investigations of the two-dimensional unsteady flow of a nanofluid in a porous channel through expanding/contracting walls with large injection or suction under the influence of a transverse magnetic field. With the aid of similarity variables, the systems of the governing partial differential equations are reduced to a nonlinear fourth-order ordinary differential...

article

Finite Element Thermal Analysis of Electronic Heat Sinks of Convex and Concave Parabolic Porous Fins with Temperature-dependent Thermal Properties and Internal Heat Generation

M. G. Sobamowo, T. O. C. Agbelusi, M. O. Salami

World Scientific News > 2022 > 172 > 1-19

Electronic heat sinks are made of convex and concave parabolic fins due to their light weights which is an important factor in the design of the medical devices. The actual design of these fins depends on the proper analysis of the temperature distribution and the heat transfer in the extended surfaces. Therefore, the present work focuses on the thermal analysis of convective-radiative porous convex...

article

Thermal Analysis of a Convective-Radiative Moving Porous Trapezoidal Fin with Variable Thermal Properties and Internal Heat Generation using Finite Element Method

M. G. Sobamowo, M. O. Salami, A. A. Yinusa

World Scientific News > 2022 > 163 > 139-157

Trapezoidal fins are widely used especially for aircraft applications where the weight of the fin and safety are important factors in the design of the structures. Therefore, the present work focuses on the analysis of heat transfer in a convective-radiative moving porous trapezoidal fin using finite element method. The simulated results reveal that the dimensionless temperature distribution increases...

article

Finite Different Analysis of Free Convection Flow and Heat Transfer of Casson Nanofluid over a Vertical Plate under the Influence of Thermal Radiation

M. G. Sobamowo, A. C. Okolie

World Scientific News > 2021 > 157 > 38-66

In this paper, a numerical study on free convection flow and heat transfer of Casson nanofluids over a vertical plate under the influence of thermal radiation is carried out. The governing systems of coupled nonlinear partial differential equations of the flow and heat transfer processes are converted to a system of coupled nonlinear ordinary differential equations through suitable similarity variables...

article

On the Efficiency of Differential Transformation Method to the Solutions of Large Amplitude Nonlinear Oscillation Systems

M. G. Sobamowo, A. A. Yinusa, O. A. Adeleye, S. I. Alozie, more

World Scientific News > 2020 > 139 > 1 > 1-60

In this work, the efficiency of differential transformation method to the solutions of large amplitude nonlinear oscillatory systems is further established. Two cases of oscillation systems, nonlinear plane pendulum and pendulum in a rotating plane are considered. Without any linearization, discretization or series expansion of the sine and cosine of the angular displacement in the nonlinear models...

article

On the Analysis of Jump and Bifurcation Phenomena in a Forced Vibration of Geometrical Nonlinear Cantilever Beam: Application of Differential Transformation Method

M. G. Sobamowo, A. A. Yinusa, O. A. Adeleye, A. O. Oyelade, more

World Scientific News > 2020 > 140 > 26-58

One of the classical features exhibited in nonlinear dynamics of engineering systems is the jump phenomenon, which is the discontinuous change in the steady state response of a system as a parameter is slowly varied. Such phenomenon is characterized by large amplitude dynamic responses of systems to small amplitude disturbances. It is established that this phenomenon cannot be described by the standard...

article

Differential Transform Method for the Kinetic Analysis of Thermal Inactivation of Enzyme as Applied in Biotechnology

O. A. Adeleye, M. G. Sobamowo, B. I. Akinnukawe

World Scientific News > 2020 > 142 > 135-149

In this work, approximate analytical solution is developed using differential transformation method for finding the molar concentration of the native and denatured enzyme in terms of second-order rate constant. Also, the obtained solutions are used to study the kinetics of thermal inactivation of enzyme as applied in biotechnology. The analytical solution was validated with numerical solution using...

article

Thermal assessment of a convective porous moving fins of different material properties using Laplace-variational iterative method

M. G. Sobamowo, O. M. Kamiyo, M. O. Salami, A. A. Yinusa

World Scientific News > 2020 > 139 > 2 > 135-154

Investigation on thermal responses of different materials subjected to variant environmental condition has been a subject of ever-increasing research interest for decades. As such, research studies have shown different materials exhibiting peculiar characteristics of commercially used heat enhancement devices. Therefore, this work presents an investigation on thermal behaviour of a convective porous...

article

Analytical approach into dynamic behavior of functionally graded circular plates resting on two-parameter foundations under excitation force

S. A. Salawu, M. G. Sobamowo, O. M. Sadiq

World Scientific News > 2020 > 139 > 2 > 115-134

The study of dynamic behavior of functional graded circular plates has gained significant attention in engineering in recent time due to the vast application of the material in engineering and manufacturing industry. This study focus on the application of two-dimensional differential transform method to investigate the dynamic response of functional graded circular plates resting on two-parameter...

article

Nonlinear Analysis of a Large-Amplitude Forced Harmonic Oscillation System using Differential Transformation Method-Padé Approximant Technique

M. G. Sobamowo, A. A. Yinusa, M. O. Oyekeye, S. S. Folorunsho

World Scientific News > 2020 > 140 > 139-155

This work presents the nonlinear analysis of forced harmonic oscillation system using differential transformation method-Padé approximant techniques. Without any series expansion of the included sine and cosine of the angular displacement in the nonlinear model of the system, an improved analytical solution of the dynamic model is presented. The high level of accuracy and validity of the analytical...

article

Analytical investigation of heat transfer in a moving convective porous fin with temperature dependent thermal conductivity and internal heat generation

M. G. Sobamowo, M. A. Waheed

World Scientific News > 2020 > 150 > 1-21

In the present study, thermal performance of a rectangular moving porous fin with temperature dependent thermal conductivity and internal heat generation are analyzed the differential transformation method. The developed approximate analytical solutions are used to investigate the effects of thermal –geometric and thermo-physical fin parameters such as the Peclet number, thermal conductivity parameter,...

article

Effects of Internal Heat Generation on the Thermal Stability of a Porous Fin

M. G. Sobamowo, L. O. Jayesimi, M. A. Waheed

World Scientific News > 2020 > 149 > 110-127

In this study, the effects of internal heat generation on thermal stability of porous fin is theoretical investigated using differential transform method. The parametric studies reveal increase in the internal heat generation leads to increase in the value or the range of the thermal stability of the fin. The internal heat generation can be used to control the thermal instability in the fin. Also,...

article

Determination of Heat of Biomass Pyrolysis and Particle Residence Time under Isothermal and Non-Isothermal Heating Conditions

M. G. Sobamowo, S. J. Ojolo

World Scientific News > 2020 > 146 > 60-71

The experimental investigations for determination of heat of pyrolysis have given quite different results due to the influence of the experimental conditions on the measured heat of pyrolysis of biomass. Consequently, a theoretical investigation into the process is required. Therefore, this paper presents analytical model for the determination of heat of biomass pyrolysis and particle residence time...

article

Further Results on Gbemi’s Method: The Extended Sarrus’ Rule to the Computations of the Determinant of n × n (n > 3) Matrices

M. G. Sobamowo

World Scientific News > 2020 > 147 > 1-34

Over the years, the generally accepted fact is that the Sarrus’s rule which was developed by a French Mathematician, P. F. Sarrus in 1833, is only limited to finding the determinant of 3 × 3 Matrices. However, in my previous work [1] “On the Extension of Sarrus’ Rule to n × n (n > 3) Matrices: Development of New Method for the Computation of the Determinant of 4 × 4 Matrices” which was published...

article

Exact Analytical Solutions of Nonlinear Differential Equation of a Large Amplitude Simple Pendulum

M. G. Sobamowo

World Scientific News > 2020 > 144 > 70-88

The governing equation of large amplitude simple pendulum is a nonlinear equation which is very difficult to be solved exactly and analytically. However, the classical way for finding analytical solution is obviously still very much important. This is because an exact analytical solution serves as an accurate benchmark for numerical solution and provides a better insight into the significance of various...

article

Force Modeling and Dynamic Behaviour of Multi-Dimensional Vibration Assisted Micro-End Milling: Linear and Nonlinear Analyses

M. G. Sobamowo, S. J. Ojolo, O. K. Olawale, O. A. Adesina

World Scientific News > 2020 > 143 > 224-261

The concept of component miniaturization is core in the production of sensitive components of the micro, nano and meso-scale. Vibration assisted micro-end milling is a miniaturized machining method that effectively produce these components. This paper presents the linear and nonlinear models describing the vibratory behavior of the sensitive system bearing in mind the amplitude stability phenomenon...

article

Chebyshev Spectral Collocation Method to Micropolar Fluid Flow through a Porous Channel driven by Suction/Injection with High Mass Transfer

L. O. Jayesimi, M. G. Sobamowo, A. T. Akinshilo, M. A. Waheed

World Scientific News > 2020 > 143 > 39-52

This paper presents the application of Chebyshev spectral collocation method to flow analysis of a micropolar fluid conveyed through porous channel driven by suction or injection with high mass transfer. Effects of flow and rotation parameters such as Reynolds number and micro rotation parameters on the flow characteristics of the micropolar fluid are investigated using the developed approximate analytical...

article

Nonlinear vibrations of single- and double-walled carbon nanotubes resting on two-parameter foundation in a magneto-thermal environment

M. G. Sobamowo, J. O. Akanmu, O. A. Adeleye, A. A. Yinusa

SN Applied Sciences > 2019 > 1 > 10 > 1-22

The excellent mechanical, electrical, structural and thermal properties coupled with high strength to weight ratio of carbon nanotubes have tremendously expanded their applications in various industrial, engineering, physical and natural sciences processes. In this work, nonlocal elasticity theory is used to analyze nonlinear vibrations of single and double-walled carbon nanotubes resting on two-parameter...

article

Nonlinear Thermally Induced Dynamic Analysis of Non-Homogenous Rectangular Plate with Varying Thickness Using Three-Dimensional Differential Transform Method

M. G. Sobamowo, S. A. Salawu, A. A. Yinusa, O. D. Makinde

World Scientific News > 2019 > 138 > 2 > 141-166

The practical importance of thermally induced varying thickness plates has recently become an area of increase interest for engineers due to its wide applications. The temperature effect alters the modulus of elasticity of the plate causing an irrational behavior of the plate. This present study presents the application of three-dimensional differential transform method (3D-DTM) to nonlinear thermally...

article

Further Study on Thermal Performance of Porous Fin with Temperature-Dependent Thermal Conductivity and Internal Heat Generation using Galerkin’s method of Weighted Residual

M. G. Sobamowo, O. M. Kamiyo, O. A. Adeleye

World Scientific News > 2019 > 138 > 2 > 167-191

This work is presented as a further study to our previous work, “Thermal performance analysis of a natural convection porous fin with temperature-dependent thermal conductivity and internal heat" published in "Thermal Science and Engineering Progress. 1 (2017) 39–52”, where it was assumed that the surface convection is negligible and heat is transferred only by natural convection in the...

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INFONA - science communication portal

Search results for: M. G. Sobamowo

Comparative Predictions of the Flow Characteristics of Viscous Nanofluid in a Porous Channel with Expanding/Contracting Walls under the Influence of Magnetic Field

Finite Element Thermal Analysis of Electronic Heat Sinks of Convex and Concave Parabolic Porous Fins with Temperature-dependent Thermal Properties and Internal Heat Generation

Thermal Analysis of a Convective-Radiative Moving Porous Trapezoidal Fin with Variable Thermal Properties and Internal Heat Generation using Finite Element Method

Finite Different Analysis of Free Convection Flow and Heat Transfer of Casson Nanofluid over a Vertical Plate under the Influence of Thermal Radiation

On the Efficiency of Differential Transformation Method to the Solutions of Large Amplitude Nonlinear Oscillation Systems

On the Analysis of Jump and Bifurcation Phenomena in a Forced Vibration of Geometrical Nonlinear Cantilever Beam: Application of Differential Transformation Method

Differential Transform Method for the Kinetic Analysis of Thermal Inactivation of Enzyme as Applied in Biotechnology

Thermal assessment of a convective porous moving fins of different material properties using Laplace-variational iterative method

Analytical approach into dynamic behavior of functionally graded circular plates resting on two-parameter foundations under excitation force

Nonlinear Analysis of a Large-Amplitude Forced Harmonic Oscillation System using Differential Transformation Method-Padé Approximant Technique

Analytical investigation of heat transfer in a moving convective porous fin with temperature dependent thermal conductivity and internal heat generation

Effects of Internal Heat Generation on the Thermal Stability of a Porous Fin

Determination of Heat of Biomass Pyrolysis and Particle Residence Time under Isothermal and Non-Isothermal Heating Conditions

Further Results on Gbemi’s Method: The Extended Sarrus’ Rule to the Computations of the Determinant of n × n (n > 3) Matrices

Exact Analytical Solutions of Nonlinear Differential Equation of a Large Amplitude Simple Pendulum

Force Modeling and Dynamic Behaviour of Multi-Dimensional Vibration Assisted Micro-End Milling: Linear and Nonlinear Analyses

Chebyshev Spectral Collocation Method to Micropolar Fluid Flow through a Porous Channel driven by Suction/Injection with High Mass Transfer

Nonlinear vibrations of single- and double-walled carbon nanotubes resting on two-parameter foundation in a magneto-thermal environment

Nonlinear Thermally Induced Dynamic Analysis of Non-Homogenous Rectangular Plate with Varying Thickness Using Three-Dimensional Differential Transform Method

Further Study on Thermal Performance of Porous Fin with Temperature-Dependent Thermal Conductivity and Internal Heat Generation using Galerkin’s method of Weighted Residual

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