Dr. Nepal Chandra Roy

Nepal C Roy and P Akther Magnetohydrodynamic mixed convection flow past a vertical wedge: Numerical and asymptotic solutions. Saarbrücken, Germany: LAP LAMBERT Academic Publishing, OmniScriptum GmbH & Co. KG, Bahnhofstraße 28, D-66111 Saarbrücken, Germany, ISBN: 978-3-330-04968-0, 2017 .

Nepal C Roy, M. A. Hossain and I. Pop : Flow and heat transfer of MHD dusty hybrid nanofluids over a shrinking sheet, Chinese Journal of Physics (impact factor:3.957) , vol.77 Elsevier , pp.1342–1356 , 2022 .

Nepal C Roy and G. Saha : Heat and mass transfer of dusty Casson fluid over a stretching sheet, Arabian Journal for Science and Engineering (impact factor:2.334) , vol.47 Springer , pp.16091–16101 , 2022 .

S. Masud, Nepal C Roy and L K Saha : Thermal decomposition of a reacting chemical in a stepped rectangular channel with multiple obstacles, Alexandria Engineering Journal (impact factor:3.732) , vol.61 Elevier , pp.10743–10755 , 2022 .

Nepal C Roy and A. Ghosh : Magnetohydrodynamic natural convection of second-grade hybrid nanofluid on variable heat flux surface, (impact factor:Scopus) , vol.12 AIP Publishing , pp.035243 , 2022 .

U. Khan, A. Zaib, A. Ishak, Nepal C Roy, T. Muhammad, A.-H. Abdel-Aty and I. S. Yahia : Exact solutions for MHD axisymmetric hybrid nanofluid flow and heat transfer over a permeable non-linear radially shrinking/stretching surface with mutual impacts of thermal radiation, Eur. Phys. J. Spec. Top. (impact factor:Scopus) , vol.231 Springer , pp.1195–1204 , 2022 .

Nepal C Roy : Conjugate effects of shear-driven and buoyancy-induced flow of a reacting chemical in a lid-driven enclosure, Journal of Thermal Analysis and Calorimetry (impact factor:4.626) , vol.147 Springer , pp.9661–9676 , 2022 .

Nepal C Roy : Steady and oscillating characteristics of natural convection in an enclosure, Journal of Thermophysics and Heat Transfer (impact factor:1.38) , vol.35 , no.2 , pp.268-278 , 2021 .

Salaika Parvin, Nepal Chandra Roy and Rama Subba Reddy Gorla : Thermal ignition of a combustible over an inclined hot plate, SN Applied Sciences , vol.3 , no.3 , pp.352 , 2021 .

Nepal Chandra Roy, Farjana Yesmin, Litan Kumar Saha and Sadia Siddiqa : Electrohydrodynamics natural convection flow of nanofluids in a rectangular enclosure enclosed by a corrugated bottom surface, Fluid Dynamics Research (impact factor:0.993 (2018)) , vol.53 , pp.015512 , 2021 .

Nepal Chandra Roy and Ioan Pop : Exact solutions of Stokes' second problem for hybrid nanofluid flow with a heat source, Physics of Fluids (impact factor:3.514) , vol.33 , pp.063603 , 2021 .

Nepal C Roy and Md A Hossain : Mixed convection in horizontal non-Darcy porous medium locally heated from below, Special Topics & Reviews in Porous Media: An International Journal (impact factor:SNIP: 0.52) , vol.11 , no.1 , pp.19-31 , 2020 .

Litan Kumar Saha, S. K. Bala and Nepal Chandra Roy : Natural convection flow in a fluid-saturated non-darcy porous medium within a complex wavy wall reactor, Journal of Thermal Analysis and Calorimetry (impact factor:2.731) , 2020 .

Nepal Chandra Roy, Md. Anwar Hossain and Rama Subba Reddy Gorla : Natural convection in a cavity with trapezoidal heat sources mounted on a square cylinder, SN Applied Sciences , vol.2 , pp.Article 143 , 2020 .

Nepal Chandra Roy : Magnetohydrodynamic natural convection flow of a nanofluid due to sinusoidal surface temperature variations, Physics of Fluids (impact factor:2.627) , vol.32 , no.2 , pp.022003 , 2020 .

Nepal Chandra Roy and Sadia Siddiqa : Effect of nanofluid on heat transfer enhancement for mixed convection flow over a wavy surface, Journal of Non-Equilibrium Thermodynamics (impact factor:2.157) , vol.45 , no.4 , pp.373-383 , 2020 .

Nepal C Roy and I. Pop : Flow and heat transfer of a second grade hybrid nanofluid over a permeable stretching/shrinking sheet, The European Physical Journal Plus (impact factor:3.228) , 2020 .

Nepal C Roy, M. A. Hossain and I. Pop : Analysis of dual solutions of unsteady micropolar hybrid nanofluid flow over a stretching/shrinking sheet, Journal of Applied and Computational Mechanics (impact factor:0.630) , vol.6 , no.(SI) , pp.1440-1454 , 2020 .

Nepal C Roy, L. K. Saha, M. A. Hossain and R. S. R. Gorla : Blood flow in a stenotic artery with temperature-dependent viscosity, Heat Transfer (impact factor:0.82) , 2020 .

Nepal C Roy, L. K. Saha and M. Sheikholeslami : Heat transfer of a hybrid nanofluid past a circular cylinder in the presence of thermal radiation and viscous dissipation, AIP Advances (impact factor:1.579) , vol.10 , no.9 , pp.095208 , 2020 .

L. K. Saha, S. K. Bala and Nepal C Roy : Natural convection of dusty nanofluids within a concentric annulus, The European Physical Journal Plus (impact factor:3.228) , vol.135 , pp.732 , 2020 .

L. K. Saha, S. K. Bala, Nepal C Roy and M. M. Molla : Numerical simulation of natural convection of dusty nanofluids within a curve-shaped enclosure, AIP Advances (impact factor:1.579) , 2020 .

Nepal C Roy, M. A. Hossain, R. S. R. Gorla and S. Siddiqa : Natural convection around a locally heated circular cylinder placed in a rectangular enclosure, Journal of Non-Equilibrium Thermodynamics (impact factor:2.157) , vol.46 , no.1 , pp.45-59 , 2020 .

Nepal Chandra Roy : Mathematical approach of demarcation of dual solutions for a flow over a shrinking surface, Chinese Journal of Physics (impact factor:2.638) , vol.68 , pp.514-532 , 2020 .

S Roy, Nepal C Roy, Litan K Saha and K M Salah Uddin : Effects of variable thermo-physical properties on mixed convection slip flow over a wedge, Heat Transfer-Asian Research , vol.48 , no.6 , pp.2276–2301 , 2019 .

Nepal C Roy : Natural convection flow of a combustible along inclined hot plates, Thermal Science and Engineering Progress (impact factor:SNIP: 1.094) , vol.11 , pp.409–416 , 2019 .

Nepal C Roy : Natural convection in the annulus bounded by two wavy wall cylinders having a chemically reacting fluid, International Journal of Heat and Mass Transfer (impact factor:4.346) , vol.138 , pp.1082–1095 , 2019 .

Nepal C Roy, T Rahman and S PArvin : Boundary-layer separations of mixed convection flow past an isothermal circular cylinder, International Journal of Applied and Computational Mathematics , vol.5 , no.3 , pp.Article 48 , 2019 .

Nepal C Roy, Md A Hossain and R S R Gorla : Natural convective flow of a chemically reacting fluid in an annulus, Heat Transfer-Asian Research , vol.48 , no.4 , pp.1345–1369 , 2019 .

Nepal C Roy, S Siddiqa, Md A Hossain and R S R Gorla : Effects of thermal and molecular diffusion on transient free convection flow along an infinite vertical porous plate, Heat and Mass Transfer Research Journal , vol.3 , no.1 , 2019 .

Nepal C Roy, Md A Hossain and R S R Gorla : Free and forced convection flow past a cylinder with slip boundary conditions, Communication in Numerical Analysis , vol.2019 , no.1 , pp.1-20 , 2019 .

Nepal C Roy and R S R Gorla : Effects of radiation and magnetic field on mixed convection flow of non-Newtonian power-law fluids across a cylinder in the presence of chemical reaction, Heat and Mass Transfer (impact factor:1.551) , vol.55 , no.2 , pp.341–351 , 2019 .

Nepal C Roy, Md A Hossain and R S R Gorla : Combustible boundary-layer flows along inclined hot surfaces with streamwise surface temperature variations, Journal of Thermophysics and Heat Transfer (impact factor:1.035) , vol.33 , no.1 , pp.246–253 , 2019 .

Nepal C Roy, T Rahman, Md A Hossain and R S R Gorla : Boundary-layer characteristics of compressible flow past a heated cylinder with viscous dissipation, Journal of Thermophysics and Heat Transfer (impact factor:1.035) , vol.33 , no.1 , pp.10-22 , 2019 .

Nepal Chandra Roy : Flow and heat transfer characteristics of a nanofluid between a square enclosure and a wavy wall obstacle, Physics of Fluids (impact factor:2.627) , vol.31 , no.10 , pp.082005 , 2019 .

Nepal Chandra Roy, Sudharonjon Roy, Naved Azum, Anish Khan, Abdullah M. Asiri and Mohammad Rahimi-Gorji : Non-similar characteristics of mixed convective slip flow over a wedge with temperature-dependent thermo-physical properties, Modern Physics Letters B (impact factor:0.731) , pp.Available online , 2019 .

Nepal Chandra Roy and Salaika Parvin : Laminar boundary layer flow of a combustible gas over a semi-infinite porous surface, SN Applied Sciences , vol.1 , pp.Article 1656 , 2019 .

S. Masud and Nepal C. Roy : Conjugate effects of thermal and mass diffusion on natural convection flow from a heated sphere with internal heat generation or absorption, The Dhaka University Journal of Science , vol.67 , no.1 , pp.13-20 , 2019 .

Nepal C Roy : Natural convection of nanofluids in a square enclosure with different shapes of inner geometry, Physics of Fluids (impact factor:2.624) , vol.30 , pp.113605 , 2018 .

Nepal C Roy and R S R Gorla : Natural convection of a chemically reacting fluid in a concentric annulus filled with non-Darcy porous medium, International Journal of Heat and Mass Transfer (impact factor:4.346) , vol.127 , pp.513–525 , 2018 .

Nepal C Roy : Modeling of a reactor with exothermic reaction bounded by two concentric cylinders, Physics of Fluids (impact factor:2.627) , pp.083604 , 2018 .

Nepal C Roy : Modeling of a closed two-dimensional reactor bounded by a wavy wall, Combustion Theory and Modeling (impact factor:1.744) , vol.22 , no.4 , pp.666–693 , 2018 .

Nepal C Roy : Convection characteristics in a closed vessel in the presence of exothermic combustion and ambient temperature oscillations, International Journal of Heat and Mass Transfer (impact factor:4.346) , vol.116 , pp.655–666 , 2018 .

Nepal C Roy : Theoretical approach to the onset of convection in a porous layer, Transport in Porous Media (impact factor:1.997) , vol.118 , no.2 , pp.281-299 , 2017 .

Nepal C Roy : Theoretical investigation of the instability of convection in a horizontal porous layer, Special Topics & Reviews in Porous Media: An International Journal (impact factor:0.376) , vol.8 , no.3 , pp.197–210 , 2017 .

Nepal C Roy and R S R Gorla : Unsteady MHD mixed convection flow of a micropolar fluid over a vertical wedge, Int. J. of Applied Mechanics and Engineering , vol.22 , no.2 , pp.363–391 , 2017 .

M N Firoza, Nepal C Roy and Md A Hossain : Conjugate heat and mass transfer on fluctuating mixed convection flow along a vertical wedge with thermal radiation, International Journal of Applied Mechanics and Engineering , vol.22 , no.3 , pp.539–565 , 2017 .

Nepal C Roy and Md A Hossain : Unsteady magnetohydrodynamic mixed convection flow of micropolar fluid past a permeable sphere, Journal of Thermophysics and Heat Transfer (impact factor:1.035) , vol.31 , no.3 , pp.686-699 , 2017 .

AAAA Al-Rashed, Nepal C Roy and Md A Hossain : Effects of viscous dissipation on unsteady mixed convection heat transfer from a circular cylinder for parallel and contra flows, Frontiers in Mechanical Engineering , vol.3 , no.2 , 2017 .

Nepal C Roy and S Sultana : Effect of magnetic field on unsteady free convection flow over a vertical wavy surface, The Dhaka University Journal of Science , vol.65 , no.2 , pp.85–90 , 2017 .

S Sultana and Nepal C Roy : Natural convection flow of MHD micropolar fluid along a vertical wavy surface, The Dhaka University Journal of Science , vol.65 , no.2 , pp.91–96 , 2017 .

Nepal C Roy and A Husen : Skin friction and heat transfer in combined convection from a sphere to a non-Newtonian fluid, The Dhaka University Journal of Science , vol.65 , no.1 , pp.21–25 , 2017 .

Md A Hossain, Nepal C Roy and S Siddiqa : Unsteady mixed convection dusty fluid flow past a vertical wedge due to small fluctuation in free stream and surface temperature, Applied Mathematics and Computation (impact factor:3.092) , vol.293 , pp.480–492 , 2017 .

N Chen, F Wang, R Hu, Nepal C Roy and Md A Hossain : Transient flow of viscous compressible fluid past a heated cylinder, International Journal of Aerodynamics , vol.5 , no.3/4 , pp.172–193 , 2016 .

Nepal C Roy and R S R Gorla : Unsteady mixed convection of a micropolar fluid past a circular cylinder due to time-dependent free stream velocity and temperature, Communications in Numerical Analysis , vol.2 , pp.118–143 , 2016 .

Nepal C Roy, Md A Hossain and S Hussain : Unsteady laminar mixed convection boundary layer flow near a vertical wedge due to oscillations in the free-stream and surface temperature, International Journal of Applied Mechanics and Engineering , vol.21 , no.1 , pp.169–186 , 2016 .

Nepal C Roy, M N Firoza and A K Haldar : Radiation effect on unsteady mixed convection boundary layer flow, heat and mass transfer over a wedge, The Dhaka University Journal of Science , vol.64 , no.1 , pp.59–64 , 2016 .

Nepal C Roy, P Akhter and A K Haldar : MHD mixed convection flow of a micropolar fluid past a wedge fixed in a fluctuating free stream and surface temperature, The Dhaka University Journal of Science , vol.64 , no.1 , pp.65–70 , 2016 .

Nepal C Roy and Y Nakamura : Investigation of unsteady behaviors of forward and opposed flow combustion of solid fuel, Combustion and Flame (impact factor:4.12) , vol.163 , pp.517–531 , 2016 .

Nepal C Roy and R S R Gorla : Unsteady mixed convection flow of a micropolar fluid about a sphere, International Journal of Heat Mass Transfer-Theory and Applications (IREHEAT) , vol.3 , no.3 , pp.54–66 , 2015 .

S Hussain, Nepal C Roy, Md A Hossain and S C Saha : Effect of fluctuating surface heat and mass flux on natural convection flow along a vertical flat plate, Mathematical Problems in Engineering , 2015 .

Nepal C Roy, Md A Hossain and R S R Gorla : Unsteady free convection from a heated sphere in the presence of internal heat generation or absorption, International Journal of Thermal Sciences (impact factor:3.488) , vol.98 , pp.237–244 , 2015 .

L K Saha, M C Saha and Nepal C Roy : Hydro-magnetic mixed convection flow in a lid-driven cavity with wavy bottom surface, American Journal of Applied Mathematics , vol.3 , no.3 , pp.8–19 , 2015 .

Nepal C Roy, B P Ghosh and L K Saha : Unsteady MHD free convection flow along a vertical plate in the presence of radiative heat flux, Applied Mathematics , vol.4 , no.3 , pp.77–85 , 2014 .

Nepal C Roy, A Hossain and Y Nakamura : A universal model of opposed flow combustion of solid fuel over an inert porous medium, Combustion and Flame (impact factor:4.12) , vol.161 , no.6 , pp.1645–1658 , 2014 .

Md M Hossain, Nepal C Roy, A C Mandal and Md A Hossain : Transient natural convection flow of thermo-micropolar fluid of micropolar thermal conductivity along a non-uniformly heated vertical surface, Advances in Mechenical Engineering, Special issue on Heat and Mass Transfer in Non-Newtonian Fluids , 2014 .

Md M Hossain, Nepal C Roy, A C Mandal and Md A Hossain : Fluctuating flow of thermomicropolar fluid past a vertical surface, Applications and Applied Mathematics: An International Journal (AAM) , vol.8 , no.1 , pp.128–150 , 2013 .

Md M Hossain, Nepal C Roy and Md A Hossain : Boundary layer flow and heat transfer in a micropolar fluid past a permeable at plate, Theoretical and Applied Mechanics , vol.40 , no.3 , pp.403–425 , 2013 .

Nepal C Roy and B P Ghosh : Approximate Solution of a Differential Equation: The Essence of Perturbation, Jagannath University Journal of Science , vol.2 , no.1 , pp.1-11 , 2013 .

Nepal C Roy and Y Nakamura : Modeling and asymptotic analysis of combustion of solid fuel deposited over an inert porous medium, Journal of Thermal Science and Technology (impact factor:0.421) , vol.7 , no.4 , pp.723–739 , 2012 .

Nepal C Roy and Md A Hossain : The effect of conduction–radiation on the oscillating natural convection boundary layer flow of viscous incompressible fluid along a vertical plate, Proc. IMechE, Part C: Journal of Mechanical Engineering Science , vol.224 , pp.1959–1972 , 2010 .

Nepal C Roy and Md A Hossain : Numerical solution of a steady natural convection flow from a vertical plate with the combined effects of streamwise temperature and species concentration variations, Heat and Mass Transfer (impact factor:1.551) , vol.46 , pp.509–522 , 2010 .

Nepal C Roy, L K Saha and S Siddiqa : Electrohydrodynamics and thermal radiation effects on natural convection flow in an enclosed domain, International Communications in Heat and Mass Transfer (impact factor:5.683) , vol.126 Elsevier , pp.105437 , 2021 .

S. Parvin, Nepal C Roy, L K Saha and S Siddiqa : Heat transfer characteristics of nanofluids from a sinusoidal corrugated cylinder placed in a square cavity, Proc. Inst. Mech. Eng. Part C: J. Mech. Eng. Sci. (impact factor:1.762) SAGE Publications , 2021 .

Nepal C Roy : MHD natural convection of a hybrid nanofluid in an enclosure with multiple heat sources, Alexandria Engineering Journal (impact factor:3.732) Elsevier , 2021 .

Nepal C Roy : Augmentation in heat transfer for a hybrid nanofluid flow over a roughened surface, Case Studies in Thermal Engineering (impact factor:4.724) , vol.27 Elsevier , pp.101215 , 2021 .

Nepal C Roy, S. Masud, S. Parvin, S. Roy and R. P. Sharma : Impact of variable thermo-physical properties on the combustion of a gas mixture past an axisymmetric body with thermal radiation, Cleaner Engineering and Technology , vol.4 Elsevier , pp.100229 , 2021 .

Nepal C Roy and A. Akter : Heat transfer enhancement and boundary layer separations for ‎a hybrid nanofluid flow past an isothermal cylinder, Journal of Applied and Computational Mechanics Shahid Chamran University of Ahvaz , 2021 .

S. Parvin, Nepal C Roy and L K Saha : Magnetohydrodynamic natural convection of a hybrid nanofluid from a sinusoidal wavy cylinder placed in a curve-shaped cavity, AIP Advances (impact factor:1.579) American Institute of Physics , 2021 .

Nepal C Roy : Unsteady behaviors of natural convection flow of a reactant in a thin finned enclosure, Physics of Fluids (impact factor:3.521) American Institute of Physics , 2021 .

U. Khan, A. Zaib, S. A. Bakar, Nepal C Roy and A. Ishak : Buoyancy effect on the stagnation point flow of a hybrid nanofluid toward a vertical plate in a saturated porous medium, Case Studies in Thermal Engineering (impact factor:4.724) , vol.27 Elsevier , pp.101342 , 2021 .

Nepal Chandra Roy and Ioan Pop : Dual solutions of magnetohydrodynamic mixed convection flow of an Oldroyd-B nanofluid over a shrinking sheet with heat source/sink, Alexandria Engineering Journal (impact factor:3.732) Elsevier , 2022 .

Nepal Chandra Roy : Conjugate effects of shear-driven and buoyancy-induced flow of a reacting chemical in a lid-driven enclosure, Journal of Thermal Analysis and Calorimetry (impact factor:4.626 (2020)) Springer , 2022 .

Nepal Chandra Roy and Ioan Pop : Unsteady magnetohydrodynamic stagnation point flow of a nanofluid past a permeable shrinking sheet, Chinese Journal of Physics (impact factor:3.237) , vol.75 Elsevier , pp.109-119 , 2022 .

Nepal Chandra Roy, Md. Anwar Hossain and Ioan Pop : Flow and heat transfer of MHD dusty hybrid nanofluids over a shrinking sheet, Chinese Journal of Physics (impact factor:3.237) Elsevier , 2022 .

Nepal Chandra Roy and Ioan Pop : Heat and mass transfer of a hybrid nanofluid flow with binary chemical reaction over a permeable shrinking surface, Chinese Journal of Physics (impact factor:3.237) , vol.76 Elsevier , pp.283-298 , 2022 .

Bishnu Pada Ghosh and Nepal Chandra Roy : Numerical method for 2D quasi-linear hyperbolic equation on an irrational domain: application to telegraphic equation, Dhaka University Journal of Science , vol.69 , no.2 Dhaka University , pp.116-123 , 2021 .

Nepal C Roy "Free convective combustible boundary-layer flow along inclined hot surfaces with streamwise surface temperature variations." 20th International Mathematics Conference Department of Mathematics, University of Dhaka, 2017 .

S Masud and Nepal C Roy "Effects of variable viscosity on natural convection of combustible gas mixture over an axisymmetric body." 20th International Mathematics Conference Department of Mathematics, University of Dhaka, 2017 .

Nepal C Roy and Md A Hossain "Flow and heat transfer characteristics in a channel with stenosis due to temperature dependent viscosity variations." Conference on Advances in Computational Mathematics (ICACM 2017) Department of Mathematics, University of Dhaka, 2017 .

Nepal C Roy and Y Nakamura "Asymptotic Analysis of Combustion of Soot Deposited Over an Inert Porous Media." Fall Technical Meeting of the Western States Section of the Combustion Institute California: University of California, Riverside, 2011 .

Nepal C Roy and Y Nakamura "Mathematical Modeling for the Regeneration of Diesel Particulate Filter (DPF)." International Conference on EcoTopia Science’11 Nagoya: Nagoya University, Nagoya, Japan, 2011 .

Nepal C Roy "The conjugate effects of streamwise surface temperature and species concentration on steady natural convection flow along a vertical plate." Fifteenth Mathematics Conference-2007 Bangladesh Mathematical Society, Department of Mathematics, University of Dhaka, 2007 .