Dr. Charchit Kumar is an Assistant Professor in the Department of Mechanical Engineering at the Indian Institute of Technology Madras, India. He obtained his joint PhD in the field of biomechanics at the Institut Charles Sadron (CNRS), University of Strasbourg (France) and University of Freiburg (Germany). Following his PhD, he was a Postdoctoral Research & Teaching Associate at the Laboratoire ICube (CNRS), University of Strasbourg France. Prior to joining the IIT Madras, he worked as a Research Associate at the James Watt School of Engineering of the University of Glasgow, United Kingdom.
Dr Kumar is a Chartered Engineer (CEng) and a chartered member of the Institution of Mechanical Engineers (IMechE). He is an active member of the IMechE Tribology Group. His research interests include contact mechanics, micro-/nano-textured functional surfaces, additive manufacturing, nano-energy harvesters, biomechanics, soft materials and issues related to electro-mechanical systems.
C. Kumar, J. Perris, S. Bairagi, G. Min, Y. Xu, N. Gadegaard & D. Mulvihill, Multiscale in-Situ uantification of the role of surface roughness and contact area using a novel Mica-PVS triboelectric nanogenerator. Nano Energy 107, 108122,2023. 10.1016/.nanoen.2022.108122
J. Muller, C. Kumar, A. K. Ghosh, V. Gupta, M. Tschopp, V. Le Houerou, A. Fery, G. Decher, M. Pauly & O. Felix, Spray-deposited anisotropic assemblies of plasmonic nanowires for direction-sensitive strain measurement, ACS Applied Materials & Interface, 14, 54073–54080, 2022. 10.1021/acsami.2c14526
J. Perris, C. Kumar, Y. Xu, M. Tassieri, M.E. Kartal, N. Gadegaard & D. Mulvihill, 3D printing and rapid replication of advanced numerically generated rough surface topographies in numerous polymers. Advanced Engineering Materials, 2200832, 2022. 10.1002/adem.202200832
S. Bairagi, G. Khandelwal, X. Karagiorgis, S. Gokhool, C. Kumar, G. Min & D. Mulvihill, High performance triboelectric nanogenerator based on commercial textiles: electrospun nylon 66 nanofibres on silk and PVDF on polyester. ACS Applied Materials & Interface, 14 (39), 44591–44603, 2022.
10.1021/acsami.2c13092
C. Kumar, T. Speck & V. Le Houérou, Local contact formation during sliding on soft adhesive surfaces with complex micro-structuring. Tribology International 163:107180, 2021. 10.1016/j.triboint.2021.107180
C. Kumar, D. Favier, T. Speck & V. Houérou. In-situ investigation of adhesion mechanisms on complex micro-structured biological surfaces. Advanced Materials Interfaces 7, 2000969, 2020. 10.1002/admi.202000969
C. Kumar, A. Palacios, V. A. Surapaneni, G. Bold, M. Thielen, E. Licht, T. E. Higham, T. Speck & V. Le Houérou. Replicating the complexity of natural surfaces: technique validation and applications for biomimetics, ecology and evolution. Philosophical Transactions of the Royal Society A 377: 20180265,
2019. 10.1098/rsta.2018.0265
C. Kumar, V. Le Houérou, T. Speck & H. Bohn. Straightforward and precise approach to replicate complex hierarchical structures from plant surfaces onto soft matter polymers. Royal Society Open Science 5, 172132, 2018. 10.1098/rsos.172132