Research Interests

Fluid Dynamics, Electroosmotic Flows, Microfluidics, Two phase flow in porous media, Ventilation problems, Computational Biophysics, Reactor Modelling, Finite element method, Population Balance Method.

BioSketch

Post Doctoral Fellow

25 Aug 2008 - 25 Aug 2010

Department of Chemical Engineering, NTNU,Norway

Post Doctoral Fellow

01 Sep 2010 - 31 Oct 2010

CSM, USA

Post Doctoral Fellow

01 Nov 2010 - 30 Jul 2011

ICP, University of Stuttgart, Germany

Associate Professor

29 Apr 2016 - 31 Jul 2023

Department of Mathematics, IIT Roorkee

Visiting Researcher

25 Nov 2018 - 24 Nov 2019

ITLR, University of Stuttgart, Germany

Professor

01 Aug 2023 - Present

IIT Roorkee

Research

**Some of my selected publications:**

- S. Bhattacharyya & A.K. Nayak 2007 Electroosmotic transport in charged cylindrical micro- and nano-channels. International Journal of Engineering science 45, 55-74. (I.F. 9.052)
- S. Bhattacharyya & A.K. Nayak 2008 Time periodic electro-osmotic transport in a charged micro/nano-channel. Colloids and Surfaces A: Physicochemical and Engineering Aspects. 325 (2008) 152–159.(I.F. 3.131)
- S. Bhattacharyya & A.K. Nayak, 2009 Electroosmotic flow in micro/nanochannels with surface potential heterogeneity: An analysis through the Nernst–Planck model with convection effect. Colloids and Surfaces A: Physicochemical and Engineering Aspects. 339 (2009) 167–177.(I.F. 3.131)
- S. Bhattacharyya & A.K. Nayak, 2010 Combined effect of surface roughness and heterogeneity of wall potential on electroosmosis in micro/nanofluidic channels. Journals of Fluids Engineering. 132, Issue 4 (2010) 041103(11pages) doi:10.1115/ 1.4001308. ASME, (I.F. 1.72)
- A.K. Nayak & S. Bhattacharyya, 2011 Double-diffusive convection in a cubical lid-driven cavity with opposing temperature and concentration gradients. Theoretical and Computational Fluid Dynamics. DOI 10.1007/s00162-011-0246-6 (2011). (I.F. 1.94)
- A. K. Nayak, Z. Borka, L. Patruno, F. Sporleder, C.A. Dorao, and H. A. Jakobsen, A Combined Multifluid-Population Balance Model for Vertical Gas-Liquid Bubble Driven Flows Considering Bubble Column Operating Conditions, Industrial and Engineering Chemistry Research (I&ECR) 50(3), 2011, 1786-1798. ACS, (I.F. 3.375)
- K. R. Rout, J. Solsvik, A. K. Nayak and H. A. Jakobsen, 2011 A Numerical Study of Multicomponent Mass diffusion and Convection in Porous Pellets for the Sorption-Enhanced Steam Methane Reforming and Desorption Processes, Chemical Engineering Science, vol: 66, Issue. 18, 4111-4126 (2011). (I.F. 3.372)
- A. K. Nayak 2011 An Analysis of Transient Electroosmotic flows Through Charged Cappilaries. Nanomechanics Science and Technology. An International Journal, 2(4), 2011, P.1-26. (I.F. 1.034)
- A. K. Nayak 2013 An Analysis of Steady/Unsteady Electroosmotic flows Through Charged cylindrical nano channel. Theoretical and Computational Fluid Dynamics Volume 27, Issue-6, pp 885-902. (I.F. 1.94).
- A. K. Nayak, P. K. Jena, P. A. Lakshmi Narayana 2014 Flow Simulation and Mixed Convection in a Lid-Driven Square Cavity with Saturated Porous Media. Journal of Porous Media, Volume 17(6): 537-548.
- A. K. Nayak 2014 Analysis of Mixing for Electroosmotic flow in micro/nano channels with heterogeneous surface potential. International Journal of Heat and Mass Transfer, 75, 135:144. (I.F. 4.346)
- A. K. Nayak, 2014 Enhancement of flow mixing in micro and nano channels.
*ANZIAM J*ournal, 55 pp.C47–C63, 2014.
- V. Kajjam,
*A. *Nayak, V. K. Katiyar, B. Singh, S. Malik, 2015 Heat transfer effect of cavity ventilation on cold air in thermally insulated vented and unvented wall, Journal of Thermophysics and Heat Transfer, 30 (2), pp. 318-333. AIAA (I.F. 1.315).
- V. Kajjam, A. Nayak, V. K. Katiyar, B. Singh, Neha Gupta 2015 Thermosolutal mixed convection in an air filled ventilated enclosure with slot wise embedded heat and contaminant sources, Journal of Heat Transfer, 138, 032501-1-9. ASME. (I.F. 1.788).
- A.K. Nayak, S. Malik, K. Venkateshwarlu, P.K. Jena 2016 Magneto-convection and its effect on partially active thermal zones in a porous square domain, International Journal of Heat and Mass Transfer 95 (2016) 913–926. (I.F. 4.346).
- A. K. Nayak, A. Haque, A. Banerjee, B. Weigand, 2016 Flow Mixing and Electric Potential Effect of Binary Fluids in Micro/Nano Channels, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 512 (2016) 145-156., (I.F. 3.131).
- A. K. Nayak, A. Haque, A. Banerjee, 2016, Thermosolutal mixed convection of a shear thinning fluid due to partially active mixed zones within a lid-driven cavity, International Journal of Heat and Mass Transfer. 106 (2016) 686-707, (I.F. 4.346).
- Malik, S. and Nayak,A. K.,(2017): MHD convection and entropy generation of nanofluid in a porous enclosure with sinusoidal heating. International journal of heat and mass transfer. 111,pp. 329-345.I.F. 4.346.
- Gupta, N. and Nayak,A. K.,(2017):Effects of heat induced polutants due to thermosolutalexchanger in ventilation system. Journal of Thermophysics and heat transfer (AIAA), https://doi.org/10.2514/1.T5210.I. F. 1.315.
- Gupta, N. and Nayak,A. K., Conjugate heat and species transport in an air filled ventilated enclosure with a thermo-contaminated block.International journal of heat and mass transfer. 117 (2018),pp. 388-411. I.F. 4.346
*.*
- Malik, S. and Nayak, A. K., Effect of moving walls on heat transfer and entropy generationin a nanofluid-filled enclosure. Engineering Mathematics, DOI 10.1007/s10665-017-9941-7,1-19, 2017. I.F. 1.8.
- Nayak,A. K., Banerjee, A. and Weigand, B., Mixing and charge transfer in a nanofluidicsystem due to patterned surface. Applied Mathematical Modelling. 54 (2018),pp. 483-501. I.F. 2.8.
- Nayak,A. K., Haque, A. and Weigand, B., Analysis of electroosmotic flow and Joule heating effect in a hydrophobic channel. Chemical Engineering Science.176 (2018), pp. 165-179. I.F. 3.077.
- Banerjee, A., Nayak, A.K., Haque, A., Weigand, B., Induced mixing electrokinetics in a charged corrugated nano-channel: towards a controlled ionic transport. Microfluidics and Nanofluidics., 22(10), (2018), 115, I.F. 2.347.
- Shah, M., Das, S., Nayak, A. K., Mondal, P., Bordoloi, A., Smart designing of metal-support interface for imperishable dry reforming catalyst, Applied Catalysis A, General 556 (2018) 137–154 I.F. 4.63.
- Haque, A., Nayak, A. K.
**,** Soni, B., Majhi, M., Thermosolutal hydromagnetic convection of power law fluids in an enclosure with periodic active zones, International Journal of Heat and Mass Transfer, 127, 2018, 622-642 I.F. 4.346*.*
- Gupta, N., Nayak, A. K., Performance evaluation of coolant air with buoyancy in a parallelogrammic mixed displacement ventilated system, International Journal of Mechanical Sciences, 149, 2018, 38-53, I.F. 4.134.
- Gupta, N., Nayak, A.K., Activity of buoyancy convection and entropy generation in a parallelogrammic shaped mixed displacement ventilated system, International Journal of Thermal Sciences, 137, (2019), 86-100, I.F. 3.488.
- Banerjee, A., Nayak, A.K., Weigand, B., Enhanced mixing and flow reversal in a modulated microchannel, International Journal of Mechanical Sciences, 155 (2019) 430-439, I.F. 4.134.
- Soni, B., Nayak, A. K. Effect of inspiration cycle and ventilation rate on heat exchange in human respiratory airways, Journal of Thermal Biology, Vol. 84, (2019), 357-367 I.F. 2.902..
- Banerjee, A.,
** **Nayak, A. K. Influence of varying zeta potential on non-Newtonian flow mixing in a wavy patterned microchannel, Journal of Non-Newtonian Fluid Mechanics, Volume 269, July 2019, Pages 17-27, I.F. 2.472.
- Gupta, N., Nayak, A. K.
**, **Indoor air performance and irreversibility analysis of a slot-ventilated mechanical system with wall heater and internal heat exchanger, Energy and Buildings. Volume 202, 2019, 109344 I.F. 4.823.
- Shah, M., Bordoloi, A., Nayak, A. K., Mondal, P., Effect of Ti/Al ratio on the performance of Ni/TiO2 -Al2O3 catalyst for methane reforming with CO2, Fuel Processing Technology 192 (2019) 21-35, I.F 4.507.
- Banerjee, A., Nayak, A. K.
**, **Weigand, B., A Comparative Analysis of Mixing Performance of Power-Law Fluid in Cylindrical Micro-Channels with Sudden Contraction / Expansion, Journal of Fluids Engineering (ASME), 142(6) (2020) 061201 I.F. 1.72.
- Haque, A., Nayak, A. K.
**,** Weigand, B., Banerjee, A., Time dependent electroosmotic flow in micro-channels with variable wall slip zones, Industrial & Engineering Chemistry Research (ACS) 59 (2) (2020) I.F. 3.375.
- Nayak, A. K.
**,** Weigand, B., Mixing and heat transfer in micro/nano-channel due to charged corrugated surfaces, Applied Thermal Engineering, 170, (2020), 114979, I.F. 4.026.
- Shah, M., Mondal, P., Nayak, A. K., Bordoloi, A., Advanced Titania composites for efficient CO2 reforming with Methane : Statistical method vs Experiment, Journal of CO2 Utilization, Volume 39, July 2020, 101160.
- Majhi, M., Nayak, A. K., Banerjee, A. Enhanced Electro-osmotic Flow of Power-law Fluids in Hydrophilic Patterned Nanochannel, Journal of Fluids Engineering, 2020, Vol. 142 / 101201-1 (ASME).
- Nayak, A. K., Haque, A., Weigand, B., and Wereley S., Thermokinetic transport of dilatant/pseudoplastic fluids in a hydrophobic patterned micro-slit, Phys. Fluids 32, 072002 (2020) (AIP).
- Soni, B., Miguel, A. F., and Nayak, A. K., A Mathematical Analysis for Constructal Design of Tree Flow Networks under Unsteady Flow, Proceedings of Royal Society A, 476, 20200377 (2020) (RSC).
- Gupta, N., Nayak, A. K., and Weigand, B.,
*Three-dimensional characterization of airflow, heat and mass transfer in a slot-ventilated enclosure*,International Communications in Heat and Mass Transfer, 121, 105034 (2021).
- Mondol, A., Mandal, P., Weigand, B., Nayak, A. K., Entropy and heat transfer analysis of EMHD flow with temperature-dependent properties, Fluid Dynamics Research, 52 1–36 (2020) .
- Haque, A., Nayak, A. K., Weigand, B., Bivariant species mixing and pressure drop within a hybrid periodic modulated microslit, Phys. Fluids
**33**, 102002 (2021)(AIP).
- Soni, B., Nayak, A. K. and Miguel, A. F., Gas Flow in Occluded Respiratory Tree: A new matrix-based approach, Journal of Fluids Engineering, 144 (7) : 071207. doi:10.1115/1.4053124 (ASME).

- Haque, A., Nayak, A. K., Bhattacharyya, S.,Numerical study on ion transport and electro-convective mixing of power-law fluid in a heterogeneous micro-constrained channel, Physics of Fluids,
**33**, 122014 (2021) (AIP).
- Shah, M., Bordoloi, A., Nayak, A. K., Mondal, P., Experimental and Kinetic Studies of Methane Reforming with CO2 over a La-Doped Ni/Al2O3 Bimodal Catalyst, Ind. Eng. Chem. Res. 60, 18243-18255 (2021) (ACS).
- Soni, B., Suri, A., Nayak, A. K., Miguel, A. F., Simplified Lumped Parameter Model for Oscillatory Flow in an Elastic Tube: A Hierarchical Approach, ASME. J. Fluids Engineering, 144(8), 081301, 2022.
- Soni, B., Nayak, A. K., Werely, S., A Novel Approach to Quantify Ventilation Heterogeneity in Occluded Bronchial Tree based on Lung Admittance, Physics of Fluids, 34 (4), 043606.
- Majhi, M., Nayak, A. K., Reservoir end wall effects on bivariate ion and fluid transport in micro/nano-nozzles for effective electroosmotic mixing, Physics of Fluids 34, 092010 (2022).
- Chatterjee, A., Nayak, A. K., and Weigand, B., Effect of electromigrationdispersion and non-Newtonian rheology of a charged solute in a microcapillary, Physics of Fluids, 34, 112011 (2022).
- Swain, B. K., and Nayak, A. K., Analytic heat and solute transport of MHD reactive mixed convection flow over a horizontal porous stretching sheet with multiple slips, Journal of Porous Media, 26 (2) :69–87 (2023).
- Majhi, M., Nayak, A. K., Sahoo, S., Effects of hydrophobic slips in non-uniform electrokinetic transport of charged viscous fluid in nozzle-diffuser, Physics of Fluids, 35, 012014 (2023).
- Majhi, M., Nayak, A. K., Weigand, B., Electroosmotic mixing of non-Newtonian fluid in an optimized geometry connected with a modulated microchamber, Physics of Fluids, Accepted (2023).
- Yadav, U., Gakhar, S., Nayak, A. K., A Fillippov type predator prey system with selective harvesting of predator, Discrete and Continuous Dynamical Systems - B, doi: 10.3934/dcdsb.2023074 (2023).
- Sahoo, S., Majhi, M., Nayak, A. K., Effect of sinusoidal heated blocks on electroosmotic flow mixing in a microchannel with modified topology, Physics of Fluids, 35, 072011 (2023).
- Soni, B., Mal, T. N., Nayak, A. K., Effect of Bronchial Blood Flow on Respiratory Heat Exchange: A mathematical analysis for infectious diseases, ASME. J.Fluids Engineering, 146(2): 021302 (2024).
- Yadav, U., Gakhar, S., Nayak, A. K., Filippov Type Prey-Predator system for selective harvesting of prey, Journal of Biological Systems, Vol. 32, 2450004 (2024).
- Surabhi Nishad, Rama Bhargava, Ameeya Nayak, and Bernhard Weigand, Spatial-temporal analysis of magnetohydrodynamics flow and energy flux of power-law nanofluid in a confined domain, Physics of Fluids 35, 093617 (2023).
- Sharmistha Habarh and Ameeya Nayak, Influence of non-linear slip dependent zeta potential on the bi-layered electrohydrodynamic flow in an electrically actuated micro system, Physics of Fluids 35, 122113 (2023).
- Yadav, U., Nayak, A. K., Gakhar, S., Mathematical scrutiny of singular predator-prey model with stage-structure of prey, Acta Applicandae Mathematicae, 189, article number 3, (2024).

Honors And Awards

Teaching Engagements

Students

A Numerical Investigation of Newtonian/non-Newtoninan Fluid flows in Enclosures

06 Jun 2012 - 06 Apr 2016

Other Supervisors: , Scholar: Prvakar Jena

Numerical Study of Heat Transfer and Entropy Generation in Nanofluid Filled Enclosure

17 Jul 2013 - 24 Oct 2017

Other Supervisors: , Scholar: Sumit Malik

Numerical Investigation of Ventilation Problems Using Discrete heat and Contaminant Sources

16 Jul 2014 - 21 Jun 2019

Other Supervisors: , Scholar: Neha Gupta

Electroosmotic Flow Mixing and Mass Transfer in Micro and Nano Fluidic Systems

08 Jul 2014 - 04 Jun 2019

Other Supervisors: , Scholar: Abhishek Banerjee

Numerical Methods for Least Square Problems: Computational Aspects and Analysis

01 Jan 2013 - 27 Nov 2019

Other Supervisors: , Scholar: Nini

Syngas Production from Methane via Dry Reforming Using Porous Nanocatalysts

01 Jan 2014 - 17 Apr 2020

Other Supervisors: Prof. Prasenjit Mondal, Scholar: Mumtaj Saha

Electroosmotic flow and Heat transfer of Newtonian/non-Newtonian Fluid in Micro and Nano Channel

01 Nov 2014 - 26 May 2020

Other Supervisors: , Scholar: Ainul Haque

Mathematical Modelling of Human Respiratory Systems

01 Jan 2017 - 17 Oct 2022

Other Supervisors: , Scholar: Bharat Soni

Electroosmotic flow of Non-Newtonian fluid in patterned micro surfaces

01 Jan 2018 - 15 May 2023

Other Supervisors: , Scholar: Minakhsmi Majhi

Mathematical models for Harvesting of Natural Recourses

06 Jul 2018 - 22 Nov 2023

Other Supervisors: Prof. Sunita Gakhar, Scholar: Uganta Yadav

Electroosmotic flow in hydrophobic micro/nano channels

01 Jan 2019 - Present

Other Supervisors: , Scholar: Anirban Chatterjee

Numerical investigation of air ventilation in enclosures

01 Jan 2019 - Present

Other Supervisors: , Scholar: Shivli Dhiman

IIT Roorkee

Electroosmotic Flow

IIT Roorkee

Ventilation Problems

IIT Roorkee

Two phase flow

IIT Roorkee

Electro-kinetic Instability

IIT Roorkee

Bio fluid mechanics

IIT Roorkee

Electro-kinetics in Flexible micro channel

IIT Roorkee

Microcirculatory blood flow in vessels

IIT Roorkee

Flow instability in enclosures

IIT Roorkee

Droplet dynamics in electrokinetic flows

Miscellaneous

SRIC Committee member

01 Jan 2016 - 20 Nov 2018

IIT Roorkee

OC Examination

10 Sep 2020 - 31 Oct 2022

Department of Mathematics, IIT Roorkee

Co-Ordinator-MAN-004

01 Jan 2020 - 15 Jan 2021

Department of Mathematics, IIT Roorkee

Co-Ordinator-MAN-004

01 Jan 2018 - 30 Jun 2018

Department of Mathematics, IIT Roorkee

Co-Ordinator-MAN-004

01 Jan 2017 - 30 Jun 2017

Department of Mathematics, IIT Roorkee

Co-Ordinator-MAN-004

01 Jan 2016 - 30 Jun 2016

Department of Mathematics, IIT Roorkee

Dy. Co-Ordinator-MAN-001

01 Jul 2016 - 31 Dec 2016

Department of Mathematics, IIT Roorkee

OC-Computer Lab

01 Jan 2015 - 15 Nov 2018

IIT Roorkee

Member Secretary, DFC

02 Feb 2015 - 15 Nov 2018

IIT Roorkee