Abdul Rehman

ORCID: 0000-0003-2569-8540
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About
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Research Areas
  • Nanofluid Flow and Heat Transfer
  • Heat Transfer Mechanisms
  • Fluid Dynamics and Turbulent Flows
  • Fractional Differential Equations Solutions
  • Heat Transfer and Optimization
  • Mathematical Analysis and Transform Methods
  • Rheology and Fluid Dynamics Studies
  • Lattice Boltzmann Simulation Studies
  • Microgrid Control and Optimization
  • Heat and Mass Transfer in Porous Media
  • Fluid Dynamics and Vibration Analysis
  • Turbomachinery Performance and Optimization
  • Multilevel Inverters and Converters
  • Elasticity and Wave Propagation
  • Smart Grid Energy Management
  • Digital Filter Design and Implementation
  • Image and Signal Denoising Methods
  • Advanced Algebra and Logic
  • Mathematical functions and polynomials
  • Fuzzy and Soft Set Theory
  • Combustion and flame dynamics
  • Optimal Power Flow Distribution
  • Adaptive Control of Nonlinear Systems
  • Differential Equations and Numerical Methods
  • Power System Optimization and Stability

University of Balochistan
2015-2024

National College of Business Administration and Economics
2022

Quaid-i-Azam University
2006-2021

University of Engineering and Technology Lahore
2021

Northwestern Polytechnical University
2019-2020

COMSATS University Islamabad
2019

North China Electric Power University
2018-2019

Islamia University of Bahawalpur
2018

Aligarh Muslim University
2017

International Islamic University, Islamabad
2015

In this paper, an analysis is carried out for the similarity solution of steady boundary layer flow and heat transfer a Casson nanofluid flowing over vertical cylinder which stretching exponentially along its radial direction. Using approach suitable transformation governing partial differential equations with conditions are reduced to system nonlinear ordinary equations. The resulting solved help numerical technique, Runge–Kutta Fehlberg method. effects important parameters such as Reynolds...

10.1007/s13204-013-0267-0 article EN cc-by Applied Nanoscience 2013-09-17

The present problem is the steady boundary layer flow and heat transfer of a hyperbolic tangent fluid flowing over vertical exponentially stretching cylinder in its axial direction. After applying usual with suitable similarity transformation to given partial differential equations conditions, system coupled nonlinear ordinary obtained. This subject conditions solved help Runge–Kutta–Fehlberg method. effects involved parameters such as Reynolds numbers, Prandtl Weissenberg numbers natural...

10.1016/j.aej.2014.05.001 article EN cc-by-nc-nd Alexandria Engineering Journal 2014-06-04

Heat exchangers play a critical role in waste heat recovery systems by enabling the transfer of from high-temperature streams to other fluids, thus improving overall energy efficiency and reducing emissions. The present study focuses on performance analysis fin prolonged exchanger with application different nanofluids. results suggest that incorporation graphene oxide (GO) Al2O3 nanoparticles base fluid can enhance performance, GO-based nanofluids exhibiting better than Al2O3-based increases...

10.1016/j.sajce.2023.10.005 article EN cc-by-nc-nd South African Journal of Chemical Engineering 2023-10-11

An analysis is carried out for axisymmetric stagnation flow of a micropolar nanofluid in moving cylinder with finite radius. The coupled nonlinear partial differential equations the problem are simplified help similarity transformations and resulting solved analytically by homotopy method (HAM). features phenomena, inertia, heat transfer, nanoparticles analyzed discussed.

10.1155/2012/378259 article EN cc-by Mathematical Problems in Engineering 2012-01-01

10.1016/j.ijheatmasstransfer.2017.04.013 article EN International Journal of Heat and Mass Transfer 2017-04-17

Analysis is carried for the problem of boundary layer steady flow and heat transfer a micropolar fluid containing nanoparticles over vertical cylinder. The governing partial differential equations linear momentum, angular nano concentration are reduced to nonlinear coupled ordinary by applying approximations suitable similarity transformation. These equations, subject appropriate conditions, then solved using homotopy analysis method. effects physical parameters on flow, nanoparticle...

10.1088/0256-307x/29/12/124701 article EN Chinese Physics Letters 2012-12-01

An analysis is carried out to obtain the similarity solution of steady boundary layer flow and heat transfer a second grade through horizontal cylinder. The governing partial differential equations along with conditions are reduced dimensionless form by using approximation applying suitable transformation. resulting nonlinear coupled system ordinary subject appropriate solved homotopy method (HAM). effects physical parameters on characteristics model presented. behavior skin friction...

10.1155/2012/640289 article EN cc-by Mathematical Problems in Engineering 2012-01-01

In this paper, the mixed convection steady boundary layer stagnation point flow and heat transfer of a third grade fluid over an exponentially stretching sheet is investigated. Both analytical numerical solutions are carried out. The obtained through homotopy analysis method (HAM) while computed by using Keller box (K-b). Comparison HAM Keller-box methods also given. effects important physical parameters presented graphs salient features discussed.

10.1590/s0104-66322013000300018 article EN Brazilian Journal of Chemical Engineering 2013-09-01

In this paper a study of the boundary layer flow and heat transfer nanofluid over vertical slender cylinder is presented. The governing equations motion, energy nanoparticles are simplified by applying appropriate approximations then system converted to nondimensional one using suitable similarity transformations. resulting three coupled ordinary differential solved homotopy analysis method. At end physical behavior different parameters involved in these discussed presented graphically.

10.1177/1740349912453806 article EN Proceedings of the Institution of Mechanical Engineers Part N Journal of Nanoengineering and Nanosystems 2012-08-03

This study deals with the investigation of boundary layer flow a fourth grade fluid and heat transfer over an exponential stretching sheet. For analyzing two heating processes, namely, (i) prescribed surface temperature (PST), (ii) flux (PHF), distribution in has been considered. The suitable transformations associated velocity components temperature, have employed for reducing nonlinear model equation to system ordinary differential equations. fields are revealed by solving these reduced...

10.1063/1.5014047 article EN cc-by AIP Advances 2018-02-01

This paper contains the analytical investigation of magnetohydrodynamic (MHD) flow copper/Al 2 O 3 –water hybrid nanofluid with unstable peristaltic motion. Three different geometries (bricks, cylinder, and platelets) along velocity thermal slip conditions are studied in detail to reach precise solution. Flow geometry a non-uniform tube finite length, experimental values base fluid, considered nanoparticles taken into account examine theoretical formulated equations. Dimensionless control...

10.1139/cjp-2018-0551 article EN Canadian Journal of Physics 2019-05-10

10.1007/s10598-013-9178-x article EN Computational Mathematics and Modeling 2013-04-01

The present article examines the influence of thermal radiation on two-dimensional incompressible magnetohydrodynamic (MHD) mixed convective heat transfer flow Williamson fluid flowing past a porous wedge. An adequate similarity transformation is adopted to reduce fundamental boundary layer partial differential equations model in set non-linear ordinary equations. solutions resulting nonlinear system are obtained numerically using fifth order numerical scheme Runge-Kutta-Fehlberg method....

10.11648/j.ajmcm.20190403.13 article EN American Journal of Mathematical and Computer Modelling 2019-01-01

The current paper offers an analysis of the steady boundary layer flow and heat transfer a non-Newtonian micropolar fluid flowing through vertical exponentially stretching cylinder along its axial axis. obtained system nonlinear partial differential equations with appropriate conditions is abridged to dimensionless form by means estimates suitable similarity transformation. subsequent coupled ordinary subject solved numerically help Keller-box method. effects involved parameters are...

10.11648/j.acm.20150406.15 article EN Applied and Computational Mathematics 2015-01-01

In this paper, the steady boundary layer stagnation point flow and heat transfer of a second grade fluid over an exponentially stretching sheet is investigated. The solutions are obtained through homotopy analysis method (HAM) Keller-box technique. Comparisons both given graphically as well in tabular form. effects parameter β Prandtl number Pr other important physical parameters presented graphs salient features discussed.

10.12691/ajams-3-6-1 article EN American Journal of Applied Mathematics and Statistics 2015-10-29

This study provides an analysis of the nanoparticle effects over steady boundary layer flow and heat transfer viscous fluid flowing a vertical cylinder that is stretched along its axial direction. The system nonlinear partial differential equations associated with problem appropriate conditions nondimensionalized by means estimates invoking suitable similarity transformation. resulting coupled ordinary subject to solved through Runge–Kutta–Fehlberg numerical scheme. A comparison obtained...

10.1177/1740349913517872 article EN Proceedings of the Institution of Mechanical Engineers Part N Journal of Nanoengineering and Nanosystems 2014-01-21

In this paper, the steady boundary layer stagnation point flow and heat transfer of a micropolar fluid flowing over an exponentially stretching sheet is investigated. The solution problem obtained numerically using Keller-box method series solutions are with help homotopy analysis (HAM). Comparisons both presented. At end effects important physical parameters presented through graphs salient features discussed.

10.11648/j.ijfmts.20170303.11 article EN International Journal of Fluid Mechanics & Thermal Sciences 2017-01-01

This article reflects the features of convective heat transfer with radially magnetic field an incompressible Williamson fluid peristaltic motion and Joule heating in a curved channel. Mathematical study has been carried out low Reynolds number under consideration long wavelength approximations. The system nonlinear equations small values Weissenberg obtained solution these constructed. spectacular characteristics flow quantities are special focus on velocity, temperature, trapping. It is...

10.1088/1757-899x/414/1/012010 article EN IOP Conference Series Materials Science and Engineering 2018-09-13
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