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Virkeshwar Kumar
PhD (IIT, Bombay)
Assistant Professor, Department of Mechanical Engineering
Research Interest
Solidification, Melting, Casting, Welding, Interfacial interactions phenomena, Evaporation, Crystallization during evaporation, Boiling, Flow visualization, Transport Phenomena, Natural convection, Experimental Fluid Dynamics and Heat Transfer, Phase change process, Phase change materials.
Office
NL-1-115R, Northern Lab,
Manufacturing science lab,
Department of Mechanical Engineering
Indian Institute of Technology Kanpur
Kanpur 208016, India
Specialization
Manufacturing Sciences
Education
Ph.D. (Mechanical Engineering) 2020, Indian Institute of Technology Bombay
B.Tech. (Manufacturing Engineering) 2014, National Institute of Foundry and Forge Technology, Ranchi
Previous Work Experience
Assistant Professor (July 2022-Present) IIT Kanpur, Department of Mechanical Engineering
C. V. Raman Postdoc Fellow (July 2020 July 2022) IISc Bangalore, Department of Mechanical Engineering The research focused on evaporation-based experiments such as crystallization, detection of adulterants in milk, and boiling.
Research Associate/Project Research Associate (Dec 2019-July 2020) IIT Bombay, Department of Mechanical Engineering FSI during the phase change process using Ansys and experimental methods Project agency: Mercedes-Benz R&D India (MBRDI)
Teaching Assistant (Jan 2016–Dec 2019)IIT Bombay, Department of Mechanical EngineeringManufacturing Process (ME206), Thermodynamics (ME209), Heat transfer (ME346), Manufacturing Processes Lab (ME374), Moving Boundary Problems in Solidification (ME778), Liquid material processing (ME788)
Teaching Assistant (Jan 2016 Dec 2019) IIT Bombay, Department of Mechanical Engineering
Selected Publications
Journals
Virkeshwar Kumar, Susmita Dash, “Patterns during Evaporative Crystallization of a Saline Droplet” Langmuir, 33, 10265-10273, 2022. DOI: doi.org/10.1021/acs.langmuir.2c01535
Journals
Virkeshwar Kumar, Ketan S., Shyamprasad Karagadde, “Convection-induced bridging during alloy solidification” Physics of Fluids, 34, 5, 053605, 2022. DOI: doi.org/10.1063/5.0088590
Journals
Virkeshwar Kumar, Susmita Dash, “Evaporation-based low-cost method for the detection of adulterant in milk” ACS Omega, 6, 27200-27207, 2021. DOI: doi.org/10.1021/acsomega.1c03887,
Note: Highlighted by many Media houses such as The Hindu, Indian Express, Time of India, and IISc Press release.
Journals
Virkeshwar Kumar, Atul Srivastava, Shyamprasad Karagadde, “Role of microstructure and composition on the natural convection during ternary alloy solidification” Journal of Fluid Mechanics, 913, A41, 2021. DOI: org/10.1017/jfm.2021.1
Journals
Virkeshwar Kumar, G. S. Abhishek, Atul Srivastava, Shyamprasad Karagadde, “On the mechanism responsible for unconventional thermal behaviour during freezing” Journal of Fluid Mechanics, 903, A32, 2020. DOI: org/10.1017/jfm.2020.630
Journals
Aniket Monde, Oaj Chawla, Virkeshwar Kumar, Shyamprasad Karagadde, and Prodyut Chakraborty, “Shrinkage induced flow during directional solidification of pure substance in a bottom cooled cavity: A study on flow reversal phenomena”, Physics of Fluids, 32, 047104, 2020. DOI: org/10.1063/5.0002953
Journals
Virkeshwar Kumar, Atul Srivastava, Shyamprasad Karagadde “Characteristics of solidification-driven double-diffusive layers in mixtures” Journal of Flow Visualization and Image Processing, 27, 427-451, 2020. DOI: org/10.1615/JFlowVisImageProc.2020032771
Journals
Virkeshwar Kumar, Atul Srivastava, Shyamprasad Karagadde, “Generalized regimes for the existence of stratified regions during freezing of multi-component mixtures” Physics of Fluids, 31,12, 123602, 2019. DOI: org/10.1063/1.5125852.
Journals
Virkeshwar Kumar, Atul Srivastava, Shyamprasad Karagadde, “Do the intrusive probes alter the characteristic length-scales of natural convection?” Journal of Flow Visualization and Image Processing, 25, 3-4, 207-228 (2018). DOI: org/10.1615/JFlowVisImageProc.2018027287.
Journals
Virkeshwar Kumar, Atul Srivastava, Shyamprasad Karagadde, “Compositional dependency of double-diffusive layers during binary alloy solidification: Full-field measurements and quantification” Physics of Fluids, 29, 113603 (2018). DOI: org/10.1063/1.5049135 Note: Featured Article in the journal, with AIP media coverage via SciLight doi.org/10.1063/1.5081144)
Journals
Virkeshwar Kumar, Mitesh Kumawat, Atul Srivastava, Shyamprasad Karagadde “Mechanism of flow reversal during solidification of an anomalous liquid” Physics of Fluids, 29, 123603 2017. DOI: org/10.1063/1.5005139
Journals
Virkeshwar Kumar, Atul Srivastava, Shyamprasad Karagadde, “Real-time observations of density anomaly-driven convection and front instability during solidification of water” ASME Journal of Heat Transfer, 140, 042503, 2018. DOI: org/10.1115/1.4038420
Awards & Fellowships
Excellence in Ph.D. Research Award for 2018-2020, IIT Bombay (58th Convocation, 2020).
C V Raman Post-Doc Fellowship, IISc Bangalore, 2020.
Won 2nd Prize in image contest, Mechanical Department Annual Research Student Symposium, IISc Bangalore, July 2021.
Ph.D. Annual Progress Seminar Award (2017-18), Department of Mechanical Engineering IIT Bombay
International Travel Support (ITS) grant to attend ICASP-5 & CSSCR-5 conference at Salzburg Austria: 2019