School of Electrical Engineering & Computer Science
Faculty Rai Sajjad Saif

Rai Sajjad Saif

Assistant Professor
Summary

PhD (Applied Mathematics) Courses Taught: Mathematical Methods for Artificial Intelligence, Calculus and Analytical Geometry, Linear Algebra, Differential Equations, and Numerical Methods. Research Interest: Fluid Dynamics (Partial Differential Equations, Fluid Dynamics, Mathematical Modelling, Nano-particles, Hybrid Nano-particles Analysis, Heat and Mass Transfer Analysis, Porous Media, CFD, Chemical Reactive Flows, Analytical as well as Numerical Methods). DoHS: Coordinator.

Academic Background
PhD (Mathematics) International Islamic University September 03, 2012 - June 08, 2018
Honours and Awards
Publications
Convective heat transfer for Maxwell hybrid (Cu-Al2O3,) nanofluid flow having Darcy-Forchheimer's porous medium over a stretchable cylindrical pipe April 14, 2025 Modern Physics Letters B - Volume 2025, Article Number 2550153 (19 pages)
Non-Fourier heat and mass transport enhancement by hybrid nanofluid-flow over a non-linearly stretchable surface having variable thickness October 01, 2024 Ain Shams Engineering Journal - Volume 15, Issue 10, Article Number 102980
Melting heat transmission of Maxwell nanofluid flow caused due to a stretchable cylindrical pipe through Finite Element Technique February 11, 2024 ZAMM Zeitschrift fur Angewandte Mathematik und Mechanik - Pages 1-11
Second-grade fluid with carbon nanotubes flowing over an elongated curve surface possessing thermal radiation and internal heat generation effects February 02, 2024 Journal of Thermal Analysis and Calarometry - Volume: 149, Pages: 1239-1250
Impact of thermal radiation and internal heat generation on Casson nano-fluid flowing by a curved stretchable surface with suspension of carbon nanotubes (CNTs) August 17, 2023 Heliyon - Volume 9, Issue 8, Article Number e18941
Melting heat transmission for nanoliquid flow through a curved stretching sheet with Darcy–Forchheimer phenomenon March 27, 2023 Waves in Random and Complex Media - Pages 1-22
Homogeneous–heterogeneous reactions for Maxwell nanofluid flow over an elongating cylindrical pipe via finite element method March 14, 2023 ZAMM-Zeitschrift fur Angewandte Mathematik und Mechanik - Pages 1-15
Transport mechanism under temperature and concentration gradient for nano-sized species in Maxwell viscoelastic fluid over cylindrical object moving with non-uniform velocity February 16, 2023 Chemical Physics Letters - Volume 813, Article Number 140293
Numerical study of boundary stresses on Jeffery-Hamel flow subject to Soret/ Dufour effects January 01, 2023 Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science - Volume 237, Issue 5
Investigation of boundary stresses on MHD flow in a convergent/divergent channel: An analytical and numerical study June 01, 2022 Alexandria Engineering Journal - Volume 61, Issue 6, Pages 4479-4490
Triple diffusion with heat transfer under different effects on magnetized hyperbolic tangent nanofluid flow March 03, 2022 Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering - Pages 1-11
Thermally stratified flow of hybrid nanofluids with radiative heat transport and slip mechanism: multiple solutions January 02, 2022 Communications in Theoretical Physics - Volume 74, Number 1, Article Number 015801
Comparative analysis on the roles of different nanoparticles on mixed convection heat transfer in Newtonian fluid in Darcy-Forchheimer porous space subjected to convectively heated boundary November 01, 2021 International Communications in Heat and Mass Transfer - 128 (2021) 105580
Heat transfer attributes of MoS2/Al2O3 hybrid nanomaterial flow through converging/diverging channels with shape factor effect May 28, 2021 Advances in Mechanical Engineering - Volume 13, issue 5, Pages 1-13
Analytical solutions for fluid flow triggered by a melting cylindrical surface in upper-convected Maxwell (UCM) fluid February 01, 2021 International Communications in Heat and Mass Transfer - Volume 121, Article Number 105059
Hydromagnetic flow of Jeffrey nanofluid due to a curved stretching surface August 01, 2020 Physica A: Statistical Mechanics and its Applications - Volume 551, Article Number 124060
Significance of inclined magnetic field in Darcy–Forchheimer flow with variable porosity and thermal conductivity August 01, 2020 Physica A: Statistical Mechanics and its Applications - Volume 551, Article Number 124067
Boundary layer flow due to a nonlinear stretching curved surface with convective boundary condition and homogeneous-heterogeneous reactions August 01, 2020 Physica A: Statistical Mechanics and its Applications - Volume 551, Article Number 123996
Impact of monocity and hybridity of nano-structures on thermal performance of micropolar fluid with novel heat flux theory: the Cattaneo–Christov heat flux theory July 31, 2020 Journal of Materials Research and Technology - Volume 9, Issue 4, Pages 8618-8626
Thermal performance of micro‑polymers containing nano‑solid structures during transport phenomenon July 31, 2020 Journal of Thermal Analysis and Calorimetry - Pages 1-11
Numerical investigation on transport of momenta and energy in micropolar fluid suspended with dusty, mono and hybrid nano-structures April 16, 2020 AIP Advances - Volume 10, Article Number 045120
Darcy-Forchheimer flow of nanofluid due to a curved stretching surface January 07, 2019 International Journal of Numerical Methods for Heat & Fluid Flow - Volume 29, Issue 1, Pages 2-20
Simultaneous effects of melting heat and internal heat generation in stagnation point flow of Jeffrey fluid towards a nonlinear stretching surface with variable thickness October 01, 2018 International Journal of Thermal Sciences - Volume 132, Pages 344-354
Numerical study for Darcy-Forchheimer flow due to a curved stretching surface with Cattaneo-Christov heat flux and homogeneousheterogeneous reactions August 05, 2017 Results in Physics - Volume 7, Pages 2886-2892
Stagnation-point flow of second grade nanofluid towards a nonlinear stretching surface with variable thickness. August 03, 2017 Results in Physics - Volume 7, Pages 2821-2830
Homogeneous-heterogeneous reactions in MHD flow of micropolar fluid by a curved stretching surface August 01, 2017 Journal of Molecular Liquids - Volume 240, Pages 209-220
Numerical study of boundary-layer flow due to a nonlinear curved stretching sheet with convective heat and mass conditions July 18, 2017 Results in Physics - Volume 7, Pages 2601-2606
On MHD nonlinear stretching flow of Powell-Eyring nanomaterial January 11, 2017 Results in Physics - Volume 7, Pages 535-543
On squeezed flow of couple stress nanofluid between two parallel plates. January 10, 2017 Results in Physics - Volume 7, Pages 553-561
Radiation effects on MHD flow of Maxwell fluid in a channel with porous medium January 31, 2011 International Journal of Heat and Mass transfer - Volume 54, Issue 4, Pages 854-862
Series solution for MHD channel flow of a Jeffery fluid September 01, 2010 Communications in Nonlinear Science and Numerical Simulation - Volume 15, Issue 9, Pages 2400-2406
Conferences
Assistant Profession National University of Sciences and Technology (NUST) February 14, 2019 - February 20, 2022
TVF National University of Sciences and Technology (NUST) August 01, 2018 - January 13, 2019
Lecturer Al-Hussan International Education August 28, 2014 - May 28, 2018
Lecturer Mohi-ud-Din Islamic University November 03, 2008 - November 02, 2011