Staff

 

DR. S. O. AJADI (HEAD OF DEPARTMENT)

Qualification: B.Sc., M.Sc., Ph.D. (Ife)

Rank: Reader

Research Area: Fluid Dynamics & Combustion Theory

Email: soajadi@yahoo.co.uk/sajadi@oauife.edu.ng

Phone Number: (+234) 08030545990 /08052417120

Room Number: MBC 202

 

 

Research Publications

 

Theses

  • B.Sc.(Hons.): Flow At Small Reynolds’s Number, Submitted in Partial fulfillment for the Award of B.Sc.(Hons.), Obafemi Awolowo University, Ile Ife, Nigeria (1994).
  • M.Sc.: Analytical Studies Of Model Non Linear Diffusion Equations with Source Term, Submitted in Partial fulfillment for the Award of M.Sc.(Hons.), Obafemi Awolowo University, Ile Ife, Nigeria(1999).
  • Ph.D: The Solutions Of Reduced Kinetics Mechanism Arising from Combustion Theory(2005).

Selected Published papers

  • Okoya, S.S. and AJADI, S.O. (1999): Critical parameters for thermal conduction equation. Journal of Mechanics Research Communications, Vol.26, NO.3, 363-370(USA).
  • Ajadi, S.O. (2003): Ignition time for a porous medium Model with thermal conductivity. Kragujevac Journal of Science, No.25, Pages 87-92(Montenegro and Serbia)
  • Okoya, S.S., Ajadi, S.O. and Kolawole, A.B. (2003): Thermal runaway for a reaction diffusion equation. International Communication in Heat and Mass Transfer Volume 30, Issue 6, August 2003, pages 845 – 850(USA)
  • Ajadi, S.O. and Okoya, S.S.(2004): The effect of Variable pre-exponential factors on the ignition time of a homogeneous System, International Communication in Heat and Mass Transfer, Vol.31.No.1, 143 -150(USA).
  • Ajadi, S.O. (2004): The effect of a spatial variable on the criticality of a boundary value problem, Kragujevac Journal of Mathematics.(24), 61-71(Serbia and Montenegro).
  • Ajadi, S.O.(2005): Thermal instability in a model chain branching-chain breaking kinetics, MATCH Communications in Mathematical and in Computer Chemistry, 53(2), 347-356 (Serbia and Montenegro).
  • Ajadi, S.O.(2005): A note on the unsteady flow of dusty viscous fluids between two parallel plates, Journal of Applied Mathematics & Computing,Vol.18,No.1-2(Korea)
  • Adebooye, O.C, Ajadi, S.O. and Fagbohun, A.B. (2006): An accurate mathematical formula for estimating plant population in a four dimensional field of Sole Crop, Journal of Agronomy 5(2), 289-292(India)
  • Ajadi, S.O. (2007): Thermal ignition of a reaction diffusion system in some class A geometries with different Thermal boundary conditions, Journal Korean Society for Industrial and Applied Mathematics Vol. 11, No. 3, 7-20(Korea)
  • O.K. Owolarafe, A.S. Osunleke, O.A.Odejobi, S.O.Ajadi and M.O. Faborode(2008): Mathematical modelling and simulation of the hydraulic expression of oil from oil Palm fruit. Biosystem Engineering, 101, 331-340(UK).
  • Ajadi, S.O. and Gol dshtein, V.(2009): Critical behavior in a three step reaction kinetics model, Combustion Theory and Modelling 13(1), pp. 1-16(USA).
  • Ajadi, S.O. (2009): A note on the thermal stability of a reactive non-Newtonian flow in a ylindrical pipe, International Communications in Heat and Mass Transfer, Vol. 36, pp. 63- 68(USA).
  • Ajadi, S.O. (2009): Thermal instability in a reactive viscous plane Poiseuille/couette flows for two extreme thermal boundary conditions, Journal Korean Society for Industrial and Applied Mathematics Vol.13, No.2, 73-86.(Korea)
  • Ajadi, S.O., Odejide, S.A. and Fareo, A.G (2009): Non-isothermal effect on the motion of a particulate flow between two parallel plates, International Journal of Pure and Applied Mathematics, Vol.54, No.2, 161-178 (Bulgaria).
  • Ajadi, S.O and Nave, O. (2009): Approximate critical conditions in thermal explosion theory for two-step kinetic model, Journal of Mathematical Chemistry, 47(2), 790-807[DOI 10.1007/s10910-y](USA)
  • Ajadi, S.O: The influence of viscous heating and wall thermal conditions on the thermal ignition of a Poiseuille/Couette reactive flow, Russian Journal of Physical Chemistry B 4(4), 652-659, 2010
  • Ajadi, S.O and Gol dshtein, V.: The structure of the thermal explosion limit with variable Pre-exponential factor, Russian Journal of Physical Chemistry B, 4(4), 580-587, 2010
  • Ajadi, S.O: Analytical Solutions of unsteady oscillatory flow of a particulate visco-elastic fluid between two parallel walls, International Journal of Nonlinear Science, Vol.9, 131-138, 2010(UK),
  • Ajadi, S.O, and P. Vegulla: Instabilities in a reaction diffusion model: Spatially homogeneous and distributed systems, Applied Mathematics E-Notes, 10, 136-146, 2010.
  • Ajadi, S.O, A. Adegoke, A. Aziz: Slip Boundary Layer Flow of non-Newtonian Fluid over a Flat Plate with Convective Thermal Boundary Condition, International Journal of Nonlinear Science, Vol.9, 131-138, 2010(UK).
  • Ajadi, S.O and M. Zullino, Approximate analytic solutions of reactive diffusion equations with exponential source term: Homotopy perturbation method (HPM), Applied Mathematics Letters, 24 (2011) 1634–1639.
  • Ajadi, S.O. and V. Gol dshtein, Thermal Explosion Characteristics in the presence of additional source of heat, Combustions Science and Technology, Journal of the National Mathematical Center, 1(2010), 36-47.
  • Ajadi, S.O, Thermal instabilities in a reduced kinetics mechanism arising from combustion theory, Journal of Mathematical Chemistry(In Press)
  • Ajadi, S.O, Approximate analytic solution for critical parameter in a thermal explosion Problem, Applied Mathematics and Computations, 218(2011), 2005-2010.
  • Nave, O, S.O. Ajadi and Y. Lehavi, Analysis of the dynamics of fuel spray using asymptotic methods: The method of integral invariant manifolds, Applied Mathematics and Computations(In Press).

Accepted Articles:

  • S.O.AJADI and S.A. Odejide: Non-isothermal effect in the motion of a particulate flow between two parallel plates, International Journal of Pure and Applied Mathematics, 2006(Accepted).
  • S.O.Ajadi, The influence of viscous heating and wall thermal conditions on the thermal ignition of a Poiseuille/Couette reactive flow, Russian Journal of Physical Chemistry B(in press)
  • S.O.Ajadi and V.Gol dshtein, The structure of the thermal explosion limit with variable pre-exponential factor, Russian Journal of Physical Chemistry B(in press)
  • S.O.Ajadi, Analytical Solutions of Unsteady Oscillatory flow of a Particulate Visco-elastic Fluid between two parallel walls, International Journal of Nonlinear Science (in press)

Manuscripts Submitted for Publication

  • Ajadi, S.O, Thermal instabilities in a reduced kinetics mechanism arising from combustion theory.
  • Ajadi, S.O, Approximate analytic solution for critical parameter for a thermal explosion problem.
  • Ajadi, S.O, Aziz, A. and Adegoke, A., Hydrodynamic and thermal boundary layer flow over a flat plate with Wu’s slip model for boundary conditions of constant, constant heat flux, and convection.