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Dr Sekhar K. R. View All

Assistant Professor

School of Technology

Dr. K. R. Sekhar is a distinguished Assistant Professor of Mathematics at The Apollo University in Chittoor, Andhra Pradesh. He completed his Post Graduation in Mathematics from Sri Venkateswara University, Tirupati, A.P., and earned an M. Phil in Fluid Mechanics and a Ph.D. in Fluid Dynamics from the same university. He qualified in the Mathematics State Eligibility Test (SET) in 2012. With 8’ years of experience in teaching and research across various levels, he has authored 20 papers in international and national journals and presented 11 conference proceedings. His areas of interest are Fluid Dynamics, Magneto-hydrodynamics, and Heat and Mass Transfer Nanofluids, Mathematical Biology, Linear and non-linear stability, Mathematical Modelling. Dr. K. R. Sekhar has actively participated in and contributed to numerous international and national conferences, seminars, and workshops. He serves as a distinguished reviewer for the Nigerian Mathematical Society (Elsevier), International Journal of Nano-Dimension, and Journal of Physics and Chemistry of Solids (Elsevier – SCI Journal). He has teaching Mathematical courses for B. Tech / M. Tech students at various institutions.

    • Graduation In :

      B. Sc (Mathematics, Statistics, Computer Science)

    • Graduation From :

      Sri Venkateswara University, Tirupati, A.P, India

    • Graduation Year :

      2010

    • Post Graduation In :

      M. Sc (Mathematics)

    • Post Graduation From :

      Sri Venkateswara University, Tirupati, A.P, India

    • Post Graduation Year :

      2012

    • Doctorate In :

      Fluid Dynamics

    • Doctorate From :

      Sri Venkateswara University, Tirupati, A.P, India

    • Doctorate Year :

      2018

    • 8

  • International Journals:

    • K. Govindarajulu, A. Subramanyam Reddy, D. Rajkumar, T. Thamizharasan, M. Dinesh Kumar & K. R. Sekhar, “Numerical investigation on MHD non-Newtonian pulsating Fe3O4-blood nanofluid flow through vertical channel with nonlinear thermal radiation, entropy generation, and Joule heating”, Numerical Heat Transfer, Part A: Applications, 2024, 1-21.
    • D. Srinivasa Kumar, K. Madhavi, T. Ramaprasad, K. R. Sekhar, D. Srinivasa Rao, CH Ravi, “Design and development of data-driven product recommender model for E-Commerce using behavioral analytics”, International journal of intelligent systems and applications in engineering, 12(17), 2024, 381-392.
    • S.R.R. Reddy, K. R. Sekhar, C. Sunil Kumar, Shaik Jakeer, M. Lakshmi Rupa, K. Manikandan & T. Mahesh Kumar, “Impact of Arrhenius activation energy on magnetic nanofluid flow over a slendering stretchable sheet with nonlinear radiative heat transfer: A machine learning algorithm”, Numerical Heat Transfer, Part B: Fundamentals, 2024, 1-24.
    • S.R.R. Reddy, Shaik Jakeer, M. Lakshmi Rupa, K. R. Sekhar, “Two-phase analysis on radiative solar pump applications using MHD Eyring–Powell hybrid nano fluid flow with the non-Fourier heat flux model”, 2024, 1-25.
    • K. Venkatadri, T. Sarala Devi, A. Shobha, K. R. Sekhar, V. Raja Rajeswari “Numerical Study of Natural Convection Flow in a Square Porous Enclosure Filled with Casson Viscoelastic Fluid”, Contemporary Mathematics, 4 (3), 2023, 379-391.
    • K. R. Sekhar, G. Viswanatha Reddy, C. S. K. Raju, S. M. Ibrahim, O. D. Makinde, “Multiple slip effects on Magneto hydrodynamic boundary layer flow over a stretching sheet embedded in a porous medium with radiation and joule heating”, Special Topics & Reviews in Porous Media, 9 (2), 2018, 1-16.
    • K. R. Sekhar, G. Viswanatha Reddy, C.S.K. Raju and S. A. Shehzad, “Non-uniform heat source/sink and multiple slips on 3D magnetic-Casson fluid in a suspension of Copper nanoparticles over a porous slendering sheet”, Journal of Nanofluids, 7 (3), 2018, 1-9.
    • K. R. Sekhar, G. Viswanatha Reddy, “Three dimensional MHD ferrous nanofluid flow over a sheet of variable thickness in slip flow regime”, Journal of Mechanics, https://doi.org/10.1017/jmech.2017.95.
    • K. R. Sekhar, G. Viswanatha Reddy, “Aligned Magnetic dipole in nonlinear radiative Falkner-Skan flow of Casson fluid over a wedge containing suspension of nanoparticles and microorganisms”, International Journal of Nanoparticles, 2017, 9(4):213-233.
    • K. R. Sekhar, G. Viswanatha Reddy, “Radiative MHD Sakiadis and Blasius flow in a suspension of
      Cu-Nanofluid with non-uniform heat source/sink”, Journal of Nanofluids, 6, 2017,1-7.
    • C. S. K. Raju, K. R. Sekhar, S. M. Ibrahim, G. Lorenzini, G. Viswanatha Reddy and E. Lorenzini, “Variable viscosity on unsteady dissipative Carreau fluid over a truncated cone filled with titanium alloy nano-particles”, Continuum Mechanics Thermodynamics, 29, 2017, 699-713.
    • K. R. Sekhar and G. Viswanatha Reddy, “Effect of heat transfer on MHD boundary layer slip flow of Jeffery fluid over a flat plate”, Middle – East Journal of Scientific Research, 24 (4), 2016, 1135-1140.
    • K. R. Sekhar, G. Viswanatha Reddy and P. Jyothi, “Chemical Reaction and Soret Effects on Unsteady MHD flow of Viscoelastic Micropolar fluid through past an infinite vertical plate with heat source”, World Applied Sciences Journal, 34 (2), 2016, 196-208.

    National Journals:

    • K. R. Sekhar, G. Viswanatha Reddy, “Effects of Heat Generation/Absorption on Free Convection Heat and Mass Transfer Flow along a Moving Vertical Surface in the Presence of First Order Chemical Reaction”, Chemical and Process Engineering Research (IISTE), 36, 2015, 26-30.
    • K. R. Sekhar, CH. Murali Krishna and G. Viswanatha Reddy, “MHD Convective Heat and Mass Transfer of a Casson Fluid in a Boundary Layer Slip Flow Past a Vertical Permeable Plate”, International Journal of Trend in Research and Development (IJTRD), 2(6),2015, 205-214.
    • G. Siva Kumar, K. R. Sekhar and G. Viswanatha Reddy, “Radiation and Mass Transfer Effects on MHD Viscous Flow past an Impulsively Started Vertical Plate through a Porous Medium”, Chemical and Process Engineering Research (IISTE), 45, 2016, 8-18.
    • K. R. Sekhar, G. Viswanatha Reddy and S. V. K. Varma, “Mixed Convection Couette Flow of a Nanofluid Through a Vertical Channel”, Elixir International Journal, 99, 2016, 43237-43241.
    • K. R. Sekhar, G. Viswanatha Reddy, “Slip effects of viscous dissipation on steady MHD flow over a stretching sheet”, i-manager’s Journal on Mathematics, 6(1), 2017, 27-34.
    • K. R. Sekhar, S. Thajoddin, G. Viswanatha Reddy and P. Bhaskarudu, “Effects of heat source/sink on MHD flow of Casson fluid and heat transfer over an unsteady stretching sheet”, International Journal of Innovative Research in Science, Engineering and Technology, 6(5), 2017, 1-9.
    • K. R. Sekhar, G. Viswanatha Reddy, “Steady MHD heat and mass transfer flow over a permeable stretching surface with velocity, thermal and mass slip condition”, i-manager’s Journal on Mathematics, 6(1), March 2017, 14-22.

    Conference Papers:

    • K. R. Sekhar, G. Viswanatha Reddy and S. V. K. Varma, “Effects of Radiation Absorption and Diffusion Thermo on MHD Free Convection Flow past a Vertical Porous Plate in Slip-Flow Regime”, International Journal of Scientific and Innovative Mathematical Research (IJSIMR), 2015, 3(3), 1057-1061.
    • K. R. Sekhar, G. Viswanatha Reddy and Murali Krishna, “Unsteady MHD Convective Heat and Mass Transfer of a Casson Fluid Past a Semi-infinite Vertical Permeable Moving Plate with Heat Source/Sink”, Global Journal of Pure and Applied Mathematics, January 2016, 12(1), 352-357.
    • K. R. Sekhar, G. Viswanatha Reddy and C. S. K. Raju, “Blasius and Sakiadis flow of magneto hydrodynamic Maxwell fluid with exponentially decaying heat source or sink”, International Journal of Research in Science and Engineering, Special issue- NCRAPAM March, 2017.
    • C. Venkata Lakshmi, A. Shobha, K. Venkatadri, K. R. Sekhar, “The Influence of Lewis Number on Natural Convective Nanofluid Flows in an Enclosure: Buongiorno’s Mathematical Model: A Numerical Study”, Numerical Optimization in Engineering and Sciences, Advances in Intelligent Systems and Computingbook series, Springer, 2020, 315-327.
    • K. R. Sekhar, Numerical Simulation of Lid Driven Cavity Flow Problem with Aspect ratio effect and Runge-Kutta fourth order method, CRATE 2020, 978-93-80831-42-8, Conference Proceedings, August 2020.
    • K. R. Sekhar, Buoyancy effects on MHD flow over a Permeable Stretching Sheet through Porous Stratum, CRATE 2020, 978-93-80831-42-8, Conference Proceedings, August 2020.
    • K. R. Sekhar, Soret and Dufour effects on unsteady MHD free convection in a Walter’s-B Viscoelastic flow past a semi-infinite vertical plate, CRATE 2020, 978-93-80831-42-8, Conference Proceedings, August 2020.
    • K. R. Sekhar, Soret and Dufour Effects on MHD free convection flow of heat and mass transfer over a stretching sheet in a porous medium with heat source/sink, CRATE 2020, 978-93-80831-42-8, Conference Proceedings, August 2020.
    • K. R. Sekhar, MHD forced convective laminar boundary layer flow from a convectively heated moving vertical plate with Soret and Dufour effects, CRATE 2021, 978-93-90631-89-6, Conference Proceedings, 921-923, August 2021.
    • K. R. Sekhar, Heat and mass transfer in MHD Tangent Hyperbolic fluid over chemically reacting exponentially shrinking surface, CRATE 2021, 978-93-90631-89-6, Conference Proceedings, 921-923, August 2021.
    • K. R. Sekhar, Numerical studies of magnetic field effect on natural convection flows within enclosures of various (square & non-square) shapes, CRATE 2022, Conference Proceedings, October 2022.

    Books Published:

    • K. R. Sekhar, G. Viswanatha Reddy and C. S. K. Raju, Free convective heat and mass transfer analysis over vertical surface, LAP LAMBERT Academic Publishing, Omni Scriptum GmbH & Co.KG, Germany, ISSN: 978-3-330-0667-5, 2017.

  • Patent(s):

    • Advanced Cryptographic framework utilizing abstract algebraic techniques, With application no. 202441011944, Filling date 20/02/2024, Publishing date 08/03/2024.