School of Electrical Engineering & Computer Science
Faculty Rai Sajjad Saif

Rai Sajjad Saif

Assistant Professor
Summary

PhD (Applied Mathematics) Courses Taught: Calculus and Analytical Geometry Linear Algebra Ordinary Differential Equations 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
Melting heat transmission of Maxwell nanofluid flow caused due to a stretchable cylindrical pipe through Finite Element Technique February 11, 2024 Rai Sajjad Saif, Awatif Alhowaity, Muhammad F. Afzaal, Yussri Mohammad Mahrous, Taseer Muhammad, 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 Zain Ul Abideen , Rai Sajjad Saif, Taseer Muhammad, 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 Zain ul Abideen, Rai Sajjad Saif, 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 Rai Sajjad Saif, Taseer Muhammad, 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 Mashael M. AlBaidani, Maha M. A. Lashin, Rai Sajjad Saif, Abdul Hamid Ganie, 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 Rai Sajjad Saif, Maryam Haneef, Muhammad Nawaz, Taseer Muhammad, 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 Zaheer Asghar , Rai Sajjad Saif, Abu Zar Ghaffari, 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 Zaheer Asghar, Rai Sajjad Saif , Nasir Ali, 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 Uzma Arif, M. Asif Memon, Rai Sajjad Saif, A.S. El-Shafay, Muhammad Nawaz, Taseer Muhammad, 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 Rai Sajjad Saif, Hashim, Maria Zaman, Muhammad Ayaz, 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 Hadi Ali Madkhali, M. Nawaz, Rai Sajjad Saif , Muhammad F. Afzaal, Sayer Obaid Alharbi, M. Kbiri Alaoui, 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 Muhammad Hafeez, Rai Sajjad Saif, Hashim, 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 Rai Sajjad Saif, Meraj Mustafa, Muhammad F. Afzaal, Hamid Assilzadeh, 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 Rai Sajjad Saif, Taseer Muhammad, Haleema Sadia, Rahmat Ellahi, Physica A: Statistical Mechanics and its Applications - Volume 551, Article Number 124060
Boundary layer flow due to a nonlinear stretching curved surface with convective boundary condition and homogeneous-heterogeneous reactions August 01, 2020 Rai Sajjad Saif, Taseer Muhammad, Haleema Sadia, Rahmat Ellahi, Physica A: Statistical Mechanics and its Applications - Volume 551, Article Number 123996
Significance of inclined magnetic field in Darcy–Forchheimer flow with variable porosity and thermal conductivity August 01, 2020 Rai Sajjad Saif, Taseer Muhammad, Haleema Sadia, Physica A: Statistical Mechanics and its Applications - Volume 551, Article Number 124067
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 Muhammad Nawaz, Ahmed Elmoasry, Jawdat Alebraheem, Rai Sajjad Saif, 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 Saima Batool, Muhammad Nawaz, Rai Sajjad Saif, Shafia Rana, 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 Hajra Kaneez, Jawdat Alebraheem, Ahmed Elmoasry, Rai Sajjad Saif, M. Nawaz, AIP Advances - Volume 10, Article Number 045120
Darcy-Forchheimer flow of nanofluid due to a curved stretching surface January 07, 2019 Rai Sajjad Saif, Tasawar Hayat, Rahmat Ellahi, Taseer Muhammad, Ahmed Alsaedi, 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 Tasawar Hayat, Rai Sajjad Saif, Rahmat Ellahi, Taseer Muhammad, Ahmed Alsaedi, 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 Tasawar Hayat, Rai Sajjad Saif, Rahmat Ellahi, Taseer Muhammad, Bashir Ahmad, 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 Rai Sajjad Saif, Tasawar Hayat, Rahmat Ellahi, Taseer Muhammad, Ahmed Alsaedi, 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 Tasawar Hayat, Rai Sajjad Saif, Rahmat Ellahi, Ahmed Alsaedi, Taseer Muhammad, 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 Tasawar Hayat, Rai Sajjad Saif, Rahmat Ellahi, Taseer Muhammad, Bashir Ahmad, Results in Physics - Volume 7, Pages 2601-2606
On MHD nonlinear stretching flow of Powell-Eyring nanomaterial January 11, 2017 Tasawar Hayat, Rai Sajjad Saif, Taseer Muhammad, Ahmed Alsaedi, Rahmat Ellahi, Results in Physics - Volume 7, Pages 535-543
On squeezed flow of couple stress nanofluid between two parallel plates. January 10, 2017 Tasawar Hayat, Rai Sajjad Saif, Ahmed Alsaedi, Taseer Muhammad, Rahmat Ellahi, 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 Tasawar Hayat, Rai Sajjad Saif, Zaheer Abbas, Muhammad Sajid, Awatif A. Hendi, 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 Tasawar Hayat, Rai Sajjad Saif, Saleem Asghar, 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