Research

Research Interests:

Computational Fluid Dynamics, Magneto-hydrodynamics, Heat & Mass Transfer, Entropy Generation, Nanofluids, Droplet Dynamics.

publications: 

Total Citations: 200, h-index: 7, i10-index: 6)

1. P. Kumar, A. K. Nayak, Sumit Malik, Magneto-hydrodynamic double diffusion of non-Newtonian hybrid nanofluids in a wavy enclosure with Soret and Dufour effects, Physics of Fluids, AIP Publishing, ISSN: 1089-7666. (IF: 4.1). Q1. (Accepted, 2025).

2. Sandeep Kumar, Anjali Chaudhary, Sumit Malik, Vikram Singh, A new Morgan–Voyce collocation technique and its applications for solving fractional integro-differential equations, Computational and Applied Mathematics, Springer, Vol. 44, 369, 22 July 2025. (IF: 2.78).  https://doi.org/10.1007/s40314-025-03325-5.

3. Sumit Malik, Olga M. Lavrenteva, Moshe Idan and Avinoam Nir, Stationary dimpled drops under linear flow, Journal of Fluid Mechanics, Cambridge University Press, Vol. 983, A5, 12 Mar 2024. ISSN: 0022-1120. (IF: 4.245). Q1. https://doi.org/10.1017/jfm.2024.128.

4. Sumit Malik,  Olga M. Lavrenteva Moshe Idan, and Avinoam Nir, Controlled stabilization of rotating toroidal drops in viscous linear flow, Journal of Fluid Mechanics, Cambridge University Press, Volume 952, 1 Dec 2022, ISSN 1469-7645 (IF: 4.245).  https://doi.org/10.1017/jfm.2022.931.

5. Sumit Malik,  Olga M. Lavrenteva, and Avinoam Nir, Dynamic and stationary shapes of rotating toroidal drops in viscous linear flows, Journal of Fluid Mechanics, Cambridge University Press, Volume 923, 21 Jul 2021, ISSN 1469-7645 (IF: 4.245).  https://doi.org/10.1017/jfm.2021.538. 

6. Sumit Malik,  Olga M. Lavrenteva, and Avinoam Nir, Shapes and stability of viscous rotating drops in a compressional/extensional flow,  Physical Review Fluids, APS Physics, Volume 5, Feb 2020, ISSN 2469-990X (IF: 2.895).  https://doi.org/10.1103/PhysRevFluids.5.023604.

7. Neha Gupta, A. K. Nayak, Sumit Malik, Conjugate heat and species transport in an air filled ventilated enclosure with a thermo-contaminated block, International Journal of Heat and Mass Transfer, Elsevier, Volume 117, Feb 2018, Pages 388-411, ISSN 0017-9310.  (IF: 5.431). https://doi.org/10.1016/j.ijheatmasstransfer.2017.10.028. 

8. Sumit Malik, A. K. Nayak, MHD convection and entropy generation of nanofluid in a porous enclosure with sinusoidal heating, International Journal of Heat and Mass Transfer, Elsevier, Volume 111, Aug 2017, Pages 329-345, ISSN 0017-9310. (IF: 5.431). https://doi.org/10.1016/j.ijheatmasstransfer.2017.03.123.

9. Sumit Malik, A. K. Nayak, Effect of moving walls on heat transfer and entropy generation in a nanofluid-filled enclosure, Journal of Engineering Mathematics, Springer, Oct 2017, Pages 1-19, ISSN 0022-0833. (IF: 1.444). https://doi.org/10.1007/s10665-017-9941-7.

10. Sumit Malik, A.K. Nayak, A comparative study of nanofluid mixed convection and its effect on partially active thermal zones in two sided lid-driven cavity, Engineering Science and Technology, an International Journal, Elsevier, Volume 19(3), Sept 2016, ISSN: 2215-0986. (IF: 5.155)   http://dx.doi.org/10.1016/j.jestch.2016.02.008.

11. Sumit Malik, A.K. Nayak, Buoyancy Driven heat transfer in nanofluids due to wall mounted heat source, Alexandria Engineering Journal, Elsevier, Available online 19 February 2016, ISSN 1110-0168. (IF: 6.626) http://dx.doi.org/10.1016/j.aej.2016.01.030.

12. A.K. Nayak, Sumit Malik, K. Venkateshwarlu, P.K. Jena, Magneto-convection and its effect on partially active thermal zones in a porous square domain, International Journal of Heat and Mass Transfer, Elsevier, Volume 95, April 2016, Pages 913-926, ISSN 0017-9310. (IF: 5.431) http://dx.doi.org/10.1016/j.ijheatmasstransfer.2015.12.037.

13. K. Venkateshwarlu, A. K. Nayak,  Bhupinder Singh,  V. K. Katiyar, Sumit Malik, Heat transfer effect in an air cooled ventilated enclosure, Journal of Thermophysics and Heat Transfer, AIAA, 2015, Pages- 1-16, ISSN-0887-8722.  (IF: 1.642). http://dx.doi:10.2514/1.T4619.

Invited talk:

1. Invited talk in International workshop on Gravity and Cosmology (IWGC) at NSUT Delhi entitled "Drops in viscous fluid, stationarity, stability and stabilization" Sept. 24-26, 2023.

2. Invited seminar in Wolfson Faculty of Chemical Engineering, Technion, Israel entitled: "Stable rotating drops in viscous fluids" Feb., 2022.

Conference Presentations:

International:

1. Sumit Malik, A.K.Nayak, "Analysis of Entropy Generation Due to Time Periodic Heating in a MHD Porous Enclosure" presented in "SIAM Conference on Applications of Dynamical Systems (DS17)", 21-25 May, 2017, Snowbird, Utah, USA.

2. Sumit Malik, A.K.Nayak, "Numerical Study of Heat Transfer and Entropy Generation in a Nanofluid Filled Two-Sided Lid-Driven Cavity" presented in "International Conference on Recent Advances in Pure and Applied Mathematics (ICRAPAM-2016)", 19-23 May, 2016, Bodrum-Mugla, Turkey.

3. Sumit Malik, A.K.Nayak, "Numerical Study of Mixed Convection Cooling of Heat Source Mounted in Lid-Driven Cavity Filled with Nanofluid", International Conference on Mathematical Modeling and Computer Simulation, held in December 8-12, 2014 at IIT Madras, Chennai.

National:

1. Sumit Malik, A.K.Nayak, "Mixed Convection  and Heat Transfer Effects in a Two Sided Lid Driven Enclosure Filled with Nanofluid Due to Discrete Heat Sources" presented in "2nd Bi-Annual Conference of JSMS, Ranchi" conducted by the Post Graduate Department of Mathematics Ranchi College, Ranchi, during November 21-23, 2015.

M.Sc. Dissertation (Supervised):

1. Sonia Yadav (The NorthCap University), “Numerical Solutions of Two Dimensional Partial Differential Equations Using Modified Cubic B-Spline Differential Quadrature Method”, 2018.