Profile of Dr. Nepal Chandra Roy

Profile of Dr. Nepal Chandra Roy

Dr. Nepal Chandra Roy
Associate Professor
Department of Mathematics
Faculty of Science
Email: nepal@du.ac.bd
Phone: +88-01716-418595
Image of Dr. Nepal Chandra Roy
Degree Name Group/Major Subject Board/Institute Country Passing Year
Ph.D. Mechanical Engineering Hokkaido University Japan 2014
Masters Applied Mathematics University of Dhaka Bangladesh 2004
Bachelor Mathematics University of Dhaka Bangladesh 2003
Award Type Award Title Year Country Description
National Justice Ibrahim Memorial Gold Medal 2018 Bangladesh For outstanding teaching and research for the year 2018
International JASSO Honors Scholarship (Gakushu-shorei-hi) 2013 Japan For doctoral program
International Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan scholarship 2009 Japan For doctoral program
Local The A. F. Mujibur Rahman Foundation Gold Medal 2004 Bangladesh For excellence in Mathematics in M.Sc.
Local The A. F. Mujibur Rahman Foundation Gold Medal 2003 Bangladesh For excellence in Mathematics in B.Sc.
Research Interest
Subject Description
Reacting Fluid Dynamics Combustion, Large activation energy asymptotic, Smoldering, Sintering, Diesel particulate filter regeneration
Fluid Dynamics Natural convection, Forced convection, Mixed convection, Boundary layer theory, Newtonian and Non-Newtonian fluid
Project/Research Supervision
Level of Study Title Supervisor Co-Supervisor(s) Name of Student(s) Area of Research Current Completion
Masters Unsteady laminar boundary layer flow past a heated cylinder Nepal C Roy Tajnin Rahman Fluid Dynamics
Masters Numerical study of unsteady free convection over a vertical wavy surface Nepal C Roy Shahela Sultana Fluid Dynamics
Masters Numerical study of mixed and natural convection flow over a sphere and an axisymmetric body Nepal C Roy Sadia Masud Combustion
Masters Unsteady mixed convection slip flow over a wedge with variable thermo-physical properties Nepal C Roy Sudhronjon Roy Fluid Dynamics
Masters Theoretical study of ignition of non-premixed combustible gas flowing over a wedge Nepal C Roy Salaika Parvin Combustion
Masters Unsteady laminar boundary layer flow past a heated cylinder Nepal C Roy Tajnin Rahman Fluid Dynamics
Masters Numerical study of unsteady free convection over a vertical wavy surface Nepal C Roy Shahela Sultana Fluid Dynamics
Masters Numerical study of mixed and natural convection flow over a sphere and an axisymmetric body Nepal C Roy Sadia Masud Combustion
Masters Unsteady mixed convection slip flow over a wedge with variable thermo-physical properties Nepal C Roy Sudhronjon Roy Fluid Dynamics
Masters Theoretical study of ignition of non-premixed combustible gas flowing over a wedge Nepal C Roy Salaika Parvin Combustion
Project/Research Work
Subject Project Name Source of Fund From Date To Date Collaboration
Fluid Dynamics Unsteady free convection flow over a vertical wavy surface University Grants Commission of Bangladesh 01-07-2019 30-06-2018
Fluid Dynamics Simulation of convective flow in a channel containing multiple obstacles over backward and forward facing steps by LBM Ministry of Science and Technology 01-07-2017 30-06-2018 Litan Kumar Saha
Combustion Investigation of the combustion of solid fuel in porous medium Ministry of Science and Technology 01-07-2015 30-06-2016 Litan Kumar Saha
Invited Talk
SL Invited Talk
No invited talk is found
SL Collaboration & Membership Name Type Membership Year Membership Expire Year
No Collaboration & Membership is found
Title Organization Location From Date To Date Description
Associate Professor University of Dhaka Bangladesh 22-03-2018 Currently Working
House Tutor Jagannath Hall University of Dhaka 24-05-2016 Currently Working
Student Advisor University of Dhaka Bangladseh 28-08-2014 Currently Working
Assistant Professor University of Dhaka Bangladseh 08-06-2014 21-03-2018
Lecturer University of Dhaka Bangladseh 06-02-2012 07-06-2014
Lecturer Daffodil International University Bangladesh 08-05-2008 20-09-2009
Book
1
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 .
Journal Article
1
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 .
2
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 .
3
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 , 2019 (Accepted) .
4
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 .
5
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 .
6
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 .
7
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 .
8
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 .
9
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 .
10
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 .
11
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 .
12
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 .
13
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 .
14
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 .
15
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 .
16
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 .
17
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 .
18
Nepal Chandra Roy, Litan Kumar Saha, M. A. Hossain and Rama Subba Reddy Gorla : Blood Flow in a Stenotic Artery with Temperature-dependent Viscosity, Advances in Fluid Mechanics , vol.2018 , no.1 , 2018 .
19
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 .
20
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 .
21
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 .
22
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 .
23
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 .
24
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 .
25
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 .
26
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 .
27
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 .
28
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 .
29
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 .
30
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 .
31
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 .
32
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 .
33
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 .
34
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 .
35
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 .
36
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 .
37
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 .
38
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 .
39
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 .
40
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 .
41
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 .
42
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 .
43
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 .
44
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 .
45
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 .
46
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 .
47
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 .
48
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 .
49
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 .
50
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 .
51
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 .
52
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 .
Conference Proceedings
1
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 .
2
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 .
3
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 .
4
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 .
5
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 .
6
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 .