Professional

Research

Teaching

Lab

Group

Current PhD students

Kuldeep Yadav

Thesis: Inkjet 3D printing of high-temperature metals
kulydv@iik.ac.in

Arun C.

Thesis: Manufacturing of titanium alloys based biomedical parts through additive manufacturing
arunchandran@gectrc.ac.in

Prateek Ghadse

Thesis: Cracking analysis in additive manufacturing of Inconel alloys
ghadse.pratik@gmail.com

Pawan Kumar

Thesis: Manufacturing of complex aerospace structural parts of Inconel and Titanium through additive manufacturing
pawan.kumar@hal-india.co.in

Anubrata Das

Thesis: Dynamic laser beam interaction and melt pool evolution in laser welding of dissimilar alloys
anubrata23@iitk.ac.in

Completed PhD students

Jitendra K. Katiyar

(completed-2018)

Thesis: Enhancement of mechanical and tribological properties of self-lubricating SU-8 composites for micro-mechanical application
Current affiliation: Asst. Professor, Chitkara University, Punjab
jitu1283@gmail.com

Rajesh Kumar Shukla

(completed-2018)

Thesis: Computational study of substrate melting, air entrapment and rapid solidification in thermal spray coating deposition
Current affiliation: Asst. Professor, Thapar Institute of Engineering and Technology
shukla20rajesh@gmail.com

Vikram Soni

(completed-2019)

Thesis: Numerical and experimental study of the thermo-fluidic behavior of phase change materials during charging and discharging stage for latent thermal energy management
Current affiliation: Product Development Engineer, Interface Fluidics, Canada
vikram.soni@utoronto.ca

Sateesh Kumar Yadav

(completed-2022)

Thesis: Numerical studies of hot and cold thermal energy storage using inorganic phase change material
Current affiliation:
sateesh.k.yadav@gmail.com

Alok Kumar

(completed-2022)

Thesis: Numerical modelling and in-situ experimental investigation of multiscale transport phenomena of alloy solidification
Current affiliation: Research Engineer, GE Research, Bangalore
alokiitk007@gmail.com

Digvijay Singh

(completed-2022)

Thesis: Numerical and experimental investigation of rapid solidification involved in droplet impact on substrate and pore formation in thermal spray coating
Current affiliation: Asst Professor, Dean & Head- Industry 4.0, Kirloskar Institute of Management, Pune
digvijay.singh@kim.edu.in

Akash Aggarwal

(completed-2022)

Thesis: Investigation of dynamic laser beam interaction and melt pool evolution in laser-assisted metal additive manufacturing
Current affiliation: Postdoc, EMPA, Switzerland
akashagg31@outlook.com

Sushil Patel

(completed-2023)

Thesis: Studies on melt pool dynamics, rapid solidification and segregation in laser welding
Current affiliation: Postdoc, IISc Bangalore
sushil.me101@gmail.com

Ashish Kumar Mishra

(completed-2023)

Thesis: Development of computational-experimental tool for analysis of the laser powder bed fusion additive manufacturing of Ti6Al4V
Current affiliation: Senior Project Engineer, IIT Kanpur
ashishkmishr@gmail.com

Surekha Yadav

(completed-2018)

Thesis: Effect of soft and hard dispersoids on the tribological behaviour of single and dual phase high entropy alloys
Current affiliation: Senior Materials Engineer, Schneider Electric, USA
surekhacct@gmail.com

Postdoc

Masters 

BTP / UGP Students

Collaborations

• Overseas Institutes: European Solidification Group; Ecole des Mines, France; European Consortium on Energy Storage; Coating Group at University of Warwick, UK; Purdue University, USA; Tallinn University of Technology, Estonia; Swiss Federal Laboratories for Materials Science and Technology (EMPA), Switzerland; Fraunhaufer Institute of Laser Technology, Germany.
• Academic Institute in India: IISc Bangalore - Dr. Pradip Dutta; IIT Bhubaneswar - Dr. A. Bhattacharya; IIT Bombay - Dr. S. Karagadde (collaboration for Imprint I project); IITM - Dr. G. Phanikumar; IITK-Dr. K. Biswas, Dr. Amarendra K. Singh, Dr. Nilesh P. Gurao
• Industry: ISRO; John Deere, Aditya Birla Group, (Imprint - I project); HAL; BHEL (sponsored research student); GfE, Germany.
• R&D Labs:CMTI Bangalore - A. R. Vinod (metal additive manufacturing of aerospace alloys); RRACT Indore - Dr. Ashish Kumar Agrawal (synchrotron radiography and micro-CT of porosity); CSIR-CSMCRI Vadodara - Anshul Yadav.

Projects

Publications

130 Journal papers, 110 referred Conference papers, 20 Book chapters, 15 Invited talks

Some selected Journal papers

1. Development and validation of a material evaporation assisted thermal model for time-efficient calculation of thermal and solidification parameters during laser powder bed fusion process for Ti6Al4V
   A.K. Mishra, A. Kumar, Govind
   Additive Manufacturing, 2023, 66, 103453. https://doi.org/10.1016/j.addma.2023.103453
2. Unravelling keyhole instabilities and laser absorption dynamics during laser irradiation of Ti6Al4V: A high-fidelity thermo-fluidic study
   A. Aggarwal, Y. Shin, A. Kumar
   International Journal of Heat and Mass Transfer, 2024, 219, 124841. https://doi.org/10.1016/j.ijheatmasstransfer.2023.124841
3. Investigation of the transient coupling between the dynamic laser beam absorptance and the melt pool - vapor depression morphology in laser powder bed fusion process
   A. Aggarwal, Y. Shin, A. Kumar
   International Journal of Heat and Mass Transfer, 2023, 201, 123663. https://doi.org/10.1016/j.ijheatmasstransfer.2022.123663
4. Taking inspiration from medieval architecture: Using catenary arches in place of straight beam as the building block into bending-dominated lattice structures
   A.K. Mishra, A. Kumar
   Engineering Failure Analysis, 2023, 152, 107476. https://doi.org/10.1016/j.engfailanal.2023.107476
5. Effect of cell size and wall thickness on the compression performance of triply periodic minimal surface based AlSi10Mg lattice structures
   A.K. Mishra, A. Kumar
   Thin-Walled Structures, 2023, 193, 111214. https://doi.org/10.1016/j.tws.2023.111214
6. Numerical simulations of the effect on twisted spacer filaments on biofouling and scaling in the feed channel of reverse osmosis membrane modules,
   C.P. Singh, R.V. Patel, A. Yadav, A. Kumar
   Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2023, 666, 131333. https://doi.org/10.1016/j.colsurfa.2023.131333
7. Investigation of cracking susceptibility and porosity formation and its mitigation techniques in laser powder bed fusion of Al 7075 alloy
   M. Patel, A. Aggarwal, A. Kumar
   Metals and Materials International, 2023, 29, 2358–2373. https://doi.org/10.1007/s12540-023-01387-w
8. Deciphering the individual effects of the fluid flow and material evaporation physics on the melting characteristics and the re-solidification parameters during laser melting of solid Ti6Al4V substrate,
   A.K. Mishra, A. Kumar, Govind
   Thermal Science and Engineering Progress, 2022, 35, 101478. https://doi.org/10.1016/j.tsep.2022.101478
9. Computational analysis of the thermo-hydrodynamic transport processes during substrate re-melting in laser powder bed fusion of AlSi10Mg,
   A.K. Mishra, A. Kumar
   Thermal Science and Engineering Progress, 2023, 39(12):101698. https://doi.org/10.1016/j.tsep.2023.101698
10. Effect of segregation and advection governed heterogeneous distribution of nanoparticles on NEPCM discharging behavior
    S. Patil, C. Kataria, A. Kumar, A. Kumar
    Journal of Energy Storage, 2023, 57, 106230. https://doi.org/10.1016/j.est.2022.106230
11. Synergistic impact of eco-friendly nano-lubricants on the grindability of AISI H13 tool steel: A study towards clean manufacturing
    A.S. Awale, M. Vashista, A. Chaudhari, M.Z. Khan Yusufzai, A. Kumar
    Journal of Cleaner Production, 364, 2022, 132686. https://doi.org/10.1016/j.jclepro.2022.132686
12. Development and benchmarking of numerical model in OpenFOAM® for the prediction of channel segregation during columnar alloy solidification
    A. Kumar, A. Singh, A. Kumar
    Thermal Science and Engineering Progress, 2022, 35(4):101464. https://doi.org/10.1016/j.tsep.2022.101464
13. Development of free surface based thermo-fluidic model for conduction mode laser spot welding and comparison with the conventional flat surface based model
    S. Patel, A Singh, A. Kumar, V.K. Jain
    Thermal Science and Engineering Progress, 2022, 38(3):101631. https://doi.org/10.1016/j.tsep.2022.101631
14. Role of melt flow dynamics on track surface morphology in the L-PBF additive manufacturing process
    A. Chouhan, A. Aggarwal, A. Kumar
    International Journal of Heat and Mass Transfer, 178, 2021, 1216022021. https://doi.org/10.1016/j.ijheatmasstransfer.2021.121602
15. An integrated Eulerian-Lagrangian-Eulerian investigation of coaxial gas-powder flow and intensified particle-melt interaction in directed energy deposition process
    A. Aggarwal S. Patel, A. R. Vinod, A. Kumar
    International Journal of Thermal Sciences, 166, 2021, 106963. https://doi.org/10.1016/j.ijthermalsci.2021.106963
16. Processing of IN718-SS316L bimetallic-structure using laser powder bed fusion technique
    S.P. Singh, A. Aggarwal, R.K. Upadhyay, A. Kumar
    Materials and Manufacturing Processes, 36, 2021,1028-1039. https://doi.org/10.1080/10426914.2021.1885701
17. Channel segregation during columnar solidification: Relation between mushy zone instability and mush permeability
    A. Kumar, M. Založnik, H. Combeau, G. Lesoult, A. Kumar
    International Journal of Heat and Mass Transfer, 164, 2021, 120602. https://doi.org/10.1016/j.ijheatmasstransfer.2020.120602
18. In-plane compression behavior of FDM-manufactured hierarchical and hybrid hierarchical hexagonal honeycombs for infrastructural safety applications
    A. K. Mishra, A. Kumar
    Journal of Micromanufacturing, 2022, 5(2):127-136. https://doi.org/10.1177/25165984211015412
19. A methodology to integrate melt pool convection with rapid solidification and undercooling kinetics in laser spot welding
    S. Patel, P. Reddy, A. Kumar
    International Journal of Heat and Mass Transfer, 164, 2021, 120575. https://doi.org/10.1016/j.ijheatmasstransfer.2020.120575
20. Machine learning method to predict and analyse transient temperature in submerged arc welding,
    S.S. Sarkar, A. Das, S. Paul, K. Mali, A. Ghosh, R. Sarkar, A. Kumar
    Measurement,170, 2021, 108713. https://doi.org/10.1016/j.measurement.2020.108713
21. Nanofabrication route to achieve sustainable production of Next Generation defect-free graphene: Analysis and Characterisation
    S. Misra, N. K. Katiyar, A. Kumar, S. Goel, K. Biswas
    Nanofabrication, 6(1), 2021. https://doi.org/10.1515/nanofab-2020-0101
22. Role of impinging powder particles on melt pool hydrodynamics, thermal behaviour and microstructure in laser-assisted DED process: A particle-scale DEM – CFD – CA approach
    A. Aggarwal, A. Chouhan, S. Patel, D. K. Yadav, A. Kumar, A. R. Vinod, K. G. Prashanth, N. P. Gurao
    International Journal of Heat and Mass Transfer, 158, 2020, 119989. https://doi.org/10.1016/j.ijheatmasstransfer.2020.119989
23. A computational study of porosity formation mechanism, flow characteristics and solidification microstructure in the L-DED process
    A. Chouhan, A. Aggarwal, A. Kumar
    Applied Physics A, 126, 2020, 833. https://doi.org/10.1007/s00339-020-04013-3
24. A computational study on air entrapment and its effect on convective heat transfer during droplet impact on a substrate
    R. Kumar, R. K. Shukla, A. Kumar A. Kumar
    International Journal of Thermal Sciences 153, 2020, 106363. https://doi.org/10.1016/j.ijthermalsci.2020.106363
25. Numerical and experimental analysis of rapid solidification considering undercooling effect during water droplet impact on a substrate
    D. Singh, A. Kumar
    Thermal Science and Engineering Progress, 20, 2020, 100722. https://doi.org/10.1016/j.tsep.2020.100722
26. Scratch and wear resistance of additive manufactured 316L stainless steel sample fabricated by laser powder bed fusion technique
    R. K. Upadhyay, A. Kumar
    Wear, 458–459, 2020, 203437. https://doi.org/10.1016/j.wear.2020.203437
27. Modeling of heat transfer and fluid flow in epsom salt (MgSO4.7H2O) dissociation for thermochemical energy storage
    J. S. Kharbanda, S. K. Yadav, V. Soni, A. Kumar
    Journal of Energy Storage, 31, 2020, 101712. https://doi.org/10.1016/j.est.2020.101712
28. Infrared imaging based machine vision system to determine transient shape of isotherms in submerged arc welding
    S. S. Sarkar, A. Das, S. Paul, A. Ghosh, K. Mali, R. Sarkar, A. Kumar
    Infrared Physics & Technology, 109, 2020, 103410. https://doi.org/10.1016/j.infrared.2020.103410
29. Track-scale simulations of selective laser melting to investigate development and mitigation of thermal stresses
    R. Sharma, A. Kumar
    Lasers in Manufacturing and Materials Processing, 6, 2019, 464-492. https://doi.org/10.1007/s40516-019-00103-0
30. Numerical study of pore formation in thermal spray coating process by investigating dynamics of air entrapment
    R.K. Shukla, A. Kumar, R. Kumar, D. Singh, A. Kumar
    Surface and Coatings Technology, 378, 2019, 124972. https://doi.org/10.1016/j.surfcoat.2019.124972
31. On-demand intermittent ice slurry generation for subzero cold thermal energy storage: Numerical simulation and performance analysis
    A. Kumar, S.K. Yadav, A. Mahato, A. Kumar
    Applied Thermal Engineering, 161, 2019, 114081. https://doi.org/10.1016/j.applthermaleng.2019.114081
32. Enhancing ice slurry generation by using inclined cavity for subzero cold thermal energy storage: Simulation, experiment and performance analysis
    V. Tiwari, A. Kumar, A. Kumar
    Energy, 183, 2019, 398-414. https://doi.org/10.1016/j.energy.2019.06.121
33. Fast waste heat recovery in 100–150 ᵒC using close-contact charging of nano-enhanced PCM composite
    V. Soni, A. Kumar, V.K. Jain
    Journal of Molecular Liquids, 285, 2019, 347-361. https://doi.org/10.1016/j.molliq.2019.03.132
34. Diurnal thermal performance characterization of a solar air heater at local and global scales integrated with thermal battery
    S.S. Reddy, V. Soni, A. Kumar
    Energy, 177, 2019, 144-157. https://doi.org/10.1016/j.energy.2019.04.017
35. A novel solidification model considering undercooling effect for metal based low temperature latent thermal energy management
    V. Soni, A. Kumar, V.K. Jain
    Journal of Energy Storage, 21, 2019, 528-542. https://doi.org/10.1016/j.est.2018.12.006>
36. Modelling of PCM melting: Analysis of discrepancy between numerical and experimental results and energy storage performance
    V. Soni, A. Kumar, V. K. Jain
    Energy, 150, 2018, 190-204. https://doi.org/10.1016/j.energy.2018.02.097
37. Performance evaluation of nano-enhanced phase change materials during discharge stage in waste heat recovery
    V. Soni, A. Kumar, V.K. Jain
    Renewable Energy, 127, 2018, 587-601. https://doi.org/10.1016/j.renene.2018.05.009
38. Identification of a suitable volumetric heat source for modelling of selective laser melting of Ti6Al4V powder using numerical and experimental validation approach
    A. Mishra, A. Aggarwal, N. Sinha, A. Kumar
    The International Journal of Advanced Manufacturing Technology, 99, 2018, pp. 2257–2270. https://doi.org/10.1007/s00170-018-2631-4
39. Modeling of rapid solidification with undercooling effect during droplet flattening on a substrate in coating formation
    R.K. Shukla, V. Patel, A. Kumar
    Journal of Thermal Spray Technology, 27, 2017, 269-287. https://doi.org/10.1007/s11666-017-0666-y
40. Flameless combustion with liquid fuel: A review focusing on fundamentals and gas turbine application
    F. Xing, A. Kumar, Y. Huang, S. Chan, C. Ruan, S. Gu, X. Fan
    Applied Energy, 193, 2017, 28-51. https://doi.org/10.1016/j.apenergy.2017.02.010
41. Polyvinyl alcohol-salt hydrate mixtures as passive thermal energy storage systems
    C. Alkan, D.K. Döğüşcüa, A. Gottschalk, U. Ramamoorthi, A. Kumar, S.K. Yadav, A. Yadav, E. Adıgüzel, A. Altıntaş, Y. Damlıoğlu, A. Çetin
    Energy Procedia, 99, 2016, 1012-1017. https://doi.org/10.1016/j.egypro.2016.06.269
42. Micromanufacturing: A review – Part II
    V.K. Jain, U.S. Dixit, C. Paul, A. Kumar
    Proceedings of the IMechE, Part B: Journal of Engineering Manufacture, 2014, 0954405414539492. https://doi.org/10.1177/0954405414539492
43. A numerical simulation of columnar solidification: influence of the inertia on channel segregation
    A. Kumar, M. Zaloznik, H. Combeau, B. Goyeau and D. Gobin
    Modelling Simul. Mater. Sci. Eng., 21, 2013, 045016 (16pp). 10.1088/0965-0393/21/4/045016
44. Study of impingement of hollow ZrO2 droplets onto a substrate
    A. Kumar, H. Tabbara, S. Kamnis and S. Gu
    Surface and Coatings Tech., 220, 2013, pp. 164-169. https://doi.org/10.1016/j.surfcoat.2012.08.061
45. Grain floatation during equiaxed solidification of an Al-Cu alloy in a side-cooled cavity: part I − experimental studies
    A. Kumar, M.J. Walker, S. Sundarraj and P. Dutta
    Metall. Mater. Trans. B, 2011, 42, pp. 825-836. https://doi.org/10.1007/s11663-011-9518-1
46. Grain floatation during equiaxed solidification of an Al-Cu alloy in a side-cooled cavity: part II − numerical studies
    A. Kumar, M.J. Walker, S. Sundarraj and P. Dutta
    Metall. Mater. Trans. B, 2011, 42, pp. 783-799. https://doi.org/10.1007/s11663-011-9542-1
47. Numerical study of the impact of inoculant and grain transport on macrosegregation and microstructure formation during solidification of an Al-22%Cu alloy
    K.O. Tveito, M. Bedel, M. Zaloznik, H. Combeau, M. M'hamdi, A. Kumar and P. Dutta
    IOP Series-Mater. Sci. Engg., 2012, 33 012089. 10.1088/1757-899X/33/1/012089
48. Influence of transport mechanisms on nucleation and grain structure formation in DC cast aluminium alloy ingots
    M. Bedel, M. Zaloznik, H. Combeau, A. Kumar, P. Jarry and E. Waz
    IOP Series-Mater. Sci. Engg, 27, 2011 012070. 10.1088/1757-899X/27/1/012070
49. Numerical studies on columnar-to-equiaxed transition in directional solidification of binary alloys
    A. Kumar and P. Dutta
    J. Mater. Sci., 44, 2009, pp. 3952-3961. https://doi.org/10.1007/s10853-009-3539-z
50. An operator splitting scheme for coupling macroscopic transport and grain growth in a two-phase multiscale solidification model: Part II − Application of the model
    M. Zaloznik, A. Kumar and H. Combeau
    Comput. Mater. Sci., 48, 2010, pp. 11-21. https://doi.org/10.1016/j.commatsci.2009.04.036
51. Prediction of equiaxed grain structure and macrosegregation in an industrial steel ingot: Comparison with experiments
    A. Kumar, M. Zaloznik and H. Combeau
    Inter. J. Advances in Engineering Sciences and Applied Mathematics, 2, 2012, pp- 14-148. https://doi.org/10.1007/s12572-011-0034-y
52. A Rayleigh number based dendrite fragmentation criterion for detachment of solid crystals from the solidifying interface
    A. Kumar and P. Dutta
    J. Phys. D: Appl. Phys., 41, 2008, 155501(9pp). 10.1088/0022-3727/41/15/155501
53. Computational modeling of GMAW process for joining dissimilar aluminum alloys
    V.K. Arghode, A. Kumar, S. Sundarraj and P. Dutta
    Numer. Heat Transfer: Part A, 53, 2008, pp. 432-455. https://doi.org/10.1080/10407780701632585
54. Role of plume convection and remelting on the mushy layer structure during directional solidification
    J. Jain, A. Kumar and P. Dutta
    J. Phys. D: Appl. Phys., 40, 2007, pp. 1150-1160. 10.1088/0022-3727/40/4/037
55. Modelling of transport phenomena in continuous casting of non-dendritic billets
    A. Kumar and P. Dutta
    Inter. J. Heat Mass Transfer, 48, 2005, pp. 3674-3688. https://doi.org/10.1016/j.ijheatmasstransfer.2004.05.041

Patents

1. A multi component high-entropy alloy composite and a preparation method thereof
   S. Yadav, A. Kumar, K. Biswas
   Indian patent Number 477545, 2023.
2. An automated TIG welding device for a twisted chain
   A. Verma, A. Kumar, S. Verma, S.K. Pandey
   Indian patent Number 431530, 2023.
3. Improved hydrodynamic condition with feed spacer in membrane distillation process
   C.P. Singh, A. Yadav, A. Kumar
   Indian patent to file, 2024.

Some selected Conference papers

1. Effect of track and layer overlapping on the residual porosity generation in the selective laser melting of AlSi10Mg
   A.K. Mishra, A. Kumar
   All India International Manufacturing Technology Design and Research (AIMTDR-2023), Dec 08-10, 2023, Varanasi, India.
2. Effect of spiral fins on the cooling performance of internal channel cooled turbine blades
   V. Yadav, A.K. Mishra, A. Kumar
   10th International and 50th National Conference on Fluid Mechanics and Fluid Power (FMFP-2023), Dec 20-22, 2023, Jodhpur, India.
3. Investigation of the thermo-hydraulic transport processes during substrate re-melting in laser powder bed fusion additive manufacturing of AlSi10Mg
   A.K. Mishra, A. Kumar
   ME@75 Research Frontiers Conference, Mechanical Engineering Department, Indian Institute of Science, Bengaluru, INDIA, June 29-July 1, 2022.
4. A 2D numerical simulation of binary alloy solidification: Effect of mesh resolution on formation of channel segregates
   A. Kumar, A. Singh, A. Kumar
   8th European Thermal Sciences Conference (EUROTHERM-2021), 20-23 September 2021.
5. Investigation of defects formation mechanism and its reduction in SLM of Al7075 alloys
   M. Patel, A. Aggarwal, A. Kumar
   32nd International Solid Freeform Fabrication Symposium, University of Texas, USA, 2-4 August 2021.
6. Open source designing for additive manufacturing of metallic triply periodic minimal surfaces
   H. Chavan, A.K. Mishra, A. Kumar
   International Conference on Advanced Light-weight Materials and Structures, ICALMS-2020, 6-7 March, 2020, CMR Technical Campus, Hyderabad, India.
7. Particle scale modelling of porosity formation during selective laser melting process using a coupled DEM-CFD approach
   A. Aggarwal, A. Kumar
   5th International Conference on Advances in Solidification Processes (ICASP-5), 17-21 June 2019, Salzburg, Austria.
8. Micro laser lap welding of thin SS304 sheet
   S. Patel, A. Aggrawal, A. Kumar, V.K. Jain
   Lasers In Manufacturing (LIM 2019),24-27 June 2019, Munich, Germany.
9. A 3D computational study of binary alloy solidification: effect of Darcy and non-Darcy flow on channel segregation
   A. Kumar, A. Singh, A. Kumar
   25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC), 28-31 December 2019.
10. Performance analysis of nano-enhanced phase change material (NEPCM) based thermal battery for waste heat recovery in temperature range of 100 ºC-150 ºC
    V. Soni, A. Kumar
    4th Thermal and Fluids Engineering Conference (TFEC) by American Society of Thermal and Fluid Engineers (ASTFE), April 2019, Las Vegas, USA.
11. In plane compression behavior of bio-inspired hybrid polymer honeycomb structures
    A.K. Mishra, S.P. Singh and A. Kumar
    11th International Conference on Precision, Meso, Micro and Nano Engineering (COPEN 2019), December 12 - 14, 2019, IIT Indore, Indore, India.
12. Undercooling effect in solidification modeling of single splat formed by impact of a hollow droplet on a flat substrate
    D. Singh, A. Kumar
    9th Asian Thermal Spray Conference (ATSC), 16-18 November 2018, Nanyang Technological University, Singapore.
13. Development of a DEM-CFD platform for particle scale modelling of selective laser melting process
    A. Aggarwal, A. Kumar
    7th International Conference on Solidification Science and Processing, 19-22 November 2018, Trivandrum, India. (Best Poster Award).
14. Model development in OpenFOAM for laser metal deposition based additive manufacturing process
    A. Chouhan, A. Aggarwal, A. Kumar
    7th International Conference on Solidification Science and Processing, 19-22 November 2018, Trivandrum, India. (Invited Paper).
15. High-speed conduction mode micro laser welding of thin SS 304 sheets: modelling and experimental validation
    S. Patel, A. Aggrawal, A. Kumar, V.K. Jain
    7th International and 28th All India Manufacturing Technology Design and Research Conference (AIMTDR), 13–15 December 2018, Anna university Chennai, India.
16. Modelling air entrapment dynamics during impact of a high speed metal droplet onto a solid substrate
    R.K. Shukla, A. Kumar, A. Kumar
    Fifth International Conference on Computational Methods for Thermal Problems, ThermaComp 2018, 9-11 July, 2018, Indian Institute of Science, Bangalore, India.
17. Behaviour of phase change material during discharge stage in a thermal energy storage system: An experimental and numerical study
    V. Soni, A. Kumar, A. Kumar, V.K. Jain
    12th IIR Conference on Phase Change Materials and Slurries for Refrigeration and Air Conditioning - PCM 2018, 21-23 May 2018, Orford (QC), Canada. (Best Research Paper Award).
18. Investigation of transport phenomena in selective laser melting of Ti-6Al-4V
    A. Aggarwal, H. Khoont, A. Kumar
    3rd Annual International Conference, Materials Science, Metal & Manufacturing, 18-19 January, 2016, Singapore. (Best Research Paper Award).
19. Numerical modelling of non-equilibrium solidification during impact of alloy droplet on a substrate
    R.K. Shukla, V. Patel, A. Kumar
    7th Inter. Meeting on Thermal Spray, 9-11 December 2015, Limoges, France.
20. Impact and rapid solidification of molten droplets on substrates
    R.K. Shukla, V. Patel, A. Yadav, A. Kumar
    6th International Conference on Solidification Science and Processing, 24-27 November, 2015, Hyderabad, India. (Invited Paper).
21. Numerical modelling of solid spherical particle deposition on a roughened substrate during cold spraying
    S.K Yadav, R.K. Shukla, A. Kumar
    6th Asian Thermal Spray Conference (ATSC 2014), 24-26 November, 2014, Hyderabad, India.
22. Numerical and experimental studies of the grain morphological transitions and macrosegregation in the sedimentation cone of an industrial steel ingot
    N. Leriche, A. Kumar, H. Combeau, M. Zaloznik, J. Demurger, J. Wendenbaum, C.A. Gandin
    Frontiers in Solidification Science: Industrial Aspects of Solidification, 2013 TMS Annual Meeting & Exhibition, 3-7 March, 2013, San Antonio, Texas, USA.
23. Experimental and numerical studies on the influence of hot top conditions on macrosegregation in an industrial steel ingot
    A. Kumar, J. Demurger, J. Wendenbaum, M. Zaloznik and H. Combeau
    1st Inter. Conf. on Ingot Casting, Rolling and Forging, 3-7 June 2012, Aachen, Germany.
24. Numerical study of the impact of inoculant and grain transport on macrosegregation and microstructure formation during solidification of an Al-22%Cu alloy
    K.O. Tveito, M. Bedel, M. Zaloznik, H. Combeau, M. M'hamdi, A. Kumar and P. Dutta
    13th Inter. Conf. on Modeling of Casting, Welding and Advanced Solidification Processes – MCWASP XIII, 17-22 June 2012, Schladming, Austria.
25. Comparison of the impingement behaviour of dense and hollow metal droplets onto a substrate during thermal spray coating
    A. Kumar and S. Gu
    5th Inter. Meeting on Thermal Spray, 7-9 December 2011, Limoges, France.
26. A numerical benchmark on the prediction of macrosegregation in binary alloys
    H. Combeau, M. Bellet, Y. Fautrelle, D. Gobin, M. Rady, E. Arquis, O. Budenkova, B. Dussoubs, Y. Duterrail, A. Kumar, C.A. Gandin, B. Goyeau, S. Mosbah and M. Zaloznik
    TMS Annual Meeting & Exhibition – Symposium: Frontiers in solidification science, 27 February-3 March 2011, San Diego, CA, USA.
27. Influence of transport mechanisms on nucleation and grain structure formation in DC cast aluminium alloy ingots
    M. Bedel, M. Zaloznik, H. Combeau, A. Kumar, P. Jarry and E. Waz
    3rd Inter. Conf. on Advances in Solidification Processes – ICASP 3, 7-10 June 2011, Rolduc Abbey, Netherlands.
28. Modelling of grain formation and macro-mesosegregations development in steel ingots and DC casting of aluminium
    H. Combeau, A. Kumar and M. Zaloznik
    4th Inter. Conf. on Solidification Sci. & Processing, 20-23 November 2009, IIT Madras, India.(Invited Paper).
29. Experimental characterization and numerical modeling of movement of solid crystals during solidification
    A. Kumar and P. Dutta
    Fluids Days International Symposium, 31 December 2007-1 January 2008, JNCASR, Bangalore, India. (Best Paper Prize).
30. Effect of electromagnetic stirring on macrosegregation during solidification of a binary alloy
    A. Kumar and P. Dutta
    Inter. Heat Transfer Conf.- IHTC 13, 13-18 August 2006, Sydney, Australia.
31. Modelling of transport phenomena in welding of dissimilar aluminium alloys
    V.K. Arghode, A. Kumar and P. Dutta
    8th Inter. Seminar on Numerical Analysis of Weldability, 25-27 September 2006, Graz-Seggau, Austria.
32. Numerical simulation of freckles formation during directional solidification of aqueous ammonium chloride
    J. Jain, A. Kumar and P. Dutta
    18th National & 7th Inter. ISHMT-ASME Heat Mass Transfer Conf., 4-6 January 2006, IIT Guwahati, India. (Best Paper Award).

Some selected Book chapters

1. Open-source designing for additive manufacturing of metallic triply periodic minimal surfaces
   H. Chavan, A.K. Mishra, A. Kumar
   Advances in Lightweight Materials and Structures, A.K. Praveen, T. Dirgantara, P.V. Krishna (Eds). Springer Proceedings in Materials, vol 8. Springer, 2020.
2. High-speed conduction-mode micro-laser welding of thin SS-304 sheets: Modeling and experimental validation
   S. Patel A. Aggrawal A. Kumar V.K. Jain
   Advances in Micro and Nano Manufacturing and Surface Engineering, Springer, 2019.
3. Thermal transport phenomena in multi-layer deposition using arc welding process
   A. Yadav, A. Ghosh, A. Kumar
   Advances in 3D Printing and Additive Manufacturing Technologies - Vol 2, L. Jyothish Kumar, Pulak M. Pandey, David Ian Wimpenny (Eds.), Springer, 2018.
4. Coupling macrosegregation and grain structure formation in direct chill cast aluminum alloy ingots
   M. Založnik, A. Kumar, H. Combeau, M. Bedel, P. Jarry, E. Waz
   Essential Readings in Light Metals, Vol 3, Cast Shop for Aluminum Production, J.F. Grandfield, D.G. Eskin (Eds.), 2013.
   (This book chapter featured in a collection of best research papers on aluminum cast shop through the year 1971-2011).
5. Finite element analysis of melt pool characteristics in selective laser spot melting on a powder layer
   A. Aggarwal, A. Kumar
   Advances in 3D Printing and Additive Manufacturing Technologies - Vol 2, L. Jyothish Kumar, Pulak M. Pandey, David Ian Wimpenny (Eds.), Springer, 2018.
6. Modelling of SLM additive manufacturing for magnesium alloy
   A. Mishra, A. Kumar
   Precision Product-Process Design and Optimization, S.S. Pande, U.S. Dixit (Eds), Springer, 2017.

Some selected Invited talks

1. Modeling of SLM additive manufacturing process
   9th International Conference on Additive Manufacturing Technologies - AM 2019, Sep 2018, Bangalore India.
2. Metal additive manufacturing: Transition from prototyping to production
   The Twelfth National Frontiers of Engineering, 12NatFoE, 17-18 September 2018, IIT Guwahati.
3. Process selection in metal additive manufacturing
   International Workshop on Additive Manufacturing, 12-16 March, 2018, Amrutvahini College of Engineering, Ahmednagar, Pune, India.
4. Metal additive manufacturing: scientific issues and developing a research pathway
   All India Workshop on Excellence in Manufacturing and the New Horizon: Mapping the Pathway, 11-13, January, 2018, NIFFT, Ranchi.
5. Numerical investigation of thermal energy storage in a brick using microencapsulated PMMA and n-Octadecane PCM
   INOTES Symposium and Workshop, 27-28 March 2018, Tokat, Turkey.
6. Impact and rapid solidification of molten droplets on substrates
   6th International Conference on Solidification Science and Processing, November 24-27, 2015, Hyderabad, India.
7. Modelling thermal−fluid transport phenomena in powder based metal additive manufacturing
   Additive Manufacturing Mini Symposium, NMD-ATM, 11-13 November 2016, IIT-Kanpur.

Academic Honors


• 2024: H.A.L. Chair Professor Position, IIT Kanpur (2024 - 2027).
• 2021: 1st prize (Post Graduate category) to student's MSR thesis work in INAE's national level 'Innovation in Manufacturing Processes (IMP-2021)' project competition.
• 2020: Panelist, VAIBHAV SUMMIT, Advanced Manufacturing Technologies (AMT) Vertical - Additive Manufacturing.
• 2018: Best Poster Award in the 7th International Conference on Solidification Science and Processing (ICSSP-2018), Trivandram, India.
• 2018: Best Research Paper Award in the 12th IIR Conference on Phase Change Material and Slurries for Refrigeration and Air Conditioning, 2018, Canada.
• 2018: Inducted Member, Indian National Young Academy (INYAS).
• 2018: PK Kelkar Young Faculty Research Fellowship Position, IIT Kanpur (2018 - 2021).
• 2018: Shortlisted for presentation for selection for SwarnaJayanti Fellowship.
• Received several letters of commendation for teaching excellence from the Chairman, Senate of IIT Kanpur for newly designed courses on Solidification Processing, Additive Manufacturing.
• 2016: Best Research Paper Award in the 3rd Annual International Conference on Metal & Manufacturing, Singapore, 2016.
• 2015: Shortlisted for presentation for selection for INAE Young Engineer Award.
• 2014: IEI Young Engineers Award.
• 2012: Britain’s Young Engineers, Presented research work in the House of Commons.
• 2011: Young Investigator Meeting - YIM Award, 2011, Boston, USA.
• 2011: Marie Curie Fellowship, University of Southampton, UK, 2011-12.
• 2008: Best Poster Prize in Fluids Days International Symposium held at JNCASR Bangalore, 2008.
• 2006: Professor V.M. Krishna Sastri Best Paper Award in the International ISHMT-ASME Heat Mass Transfer Conference held at IIT Guwahati.
• 2005: National Doctoral Fellowship awarded by AICTE.
• 2004: Indian National Academy of Engineering’s (INAE) national level Innovation Potential of Students Project Award - 2004 for Master's thesis.