• Magnetorheological (MR) Fluids and Devices, Rheology, Tribology, Non-Newtonian Fluid Flow, Design of Biomedical devices.

• Car Driving and Bike Racing

• ME401: Industrial Engineering and Operation Research, MH501: Fundamentals of Mechatronics, ME214: Mechanics of Solids, ME208: Kinematics and Dynamics of Mechanisms ME313: Design of Machine Elements ME102: Engineering Mechanics

• Associate Professor, Department of Mechanical Engineering, Indian Institute of Technology Patna (May, 2023 – Present) Assistant Professor, Department of Mechanical Engineering, Indian Institute of Technology Patna (December, 2015 – May, 2023) Postdoctoral position, Division of Fluid and Experimental Mechanics, Lulea University of Technology, Sweden (January, 2016 – October, 2016) Assistant Professor, Department of Mechanical Engineering, National Institute of Technology Rourkela (July, 2015 – December, 2015) Assistant Professor, Department of Mechanical Engineering, Delhi Technological University (August, 2014 – June, 2015)

• First Class Honours in Bachelor of Production Engineering

• Tribology Society of India (TSI), Life Member Society of Automobile Engineers (SAE), India

• H Hirani and C Sarkar, Patent No. 416532 dated January 03, 2023 (Granted) for the title “Magnetorheological brake operating under shear, compression and valve modes”. Sarkar, C. & Singh, R. K., Patent Application No. 202231067989 (Filed) dated November 25, 2022 for title “A magnetorheological drum brake device”

• Journal Publications

  Name of all Authors(Last name, First Name)	Title of the research paper	Name of the journal	Year, Vol. No. Page	Latest Impact factor of the journal	H- index/H-5 index
  Singh, Rakesh Kumar and Sarkar, Chiranjit	Two-wheeler magnetorheological drum brake operating under hybrid mode for enhancing braking torque: Development and validation	Mechatronics	2023, 92, 102971	3.379	94/40
  Raj, Aashna, Sarkar, Chiranjit, Kumar, Piyush and Pathak, Manabendra	Study of magnetorheological grease flow in a double restriction seal configuration	Journal of Tribology	2023, 145(5)054401	1.891	89/25
  Singh, Rakesh Kumar and Sarkar, Chiranjit	In-situ Braking Torque and Temperature Analysis of Two-wheeler Drum Brake in Friction Braking	Journal of Mechanical Science and Technology	2023, 37(4), 0528	1.810	59/34
  Kesharwani, Rahul, Jha, Kishore Kumar, Anshari, M A A, Imam, Murshid and Sarkar, Chiranjit	Comparison of microstructure, texture, and mechanical properties of the SQ and thread pin profile FSW joint of AA6061-T6 with Al2O3 particle reinforcement	Materials Today Communications	2022, 33, 104785	3.662	30/41
  Quamar, Danishtah and Sarkar, Chiranjit	Optimal Design of Hydraulic Disc Brake for Magnetorheological (MR) Application	Defence Science Journal	2022, 72(6), 783-792	0.707	34/15
  Singh, Rakesh Kumar and Sarkar, Chiranjit	Characterization of Magnetorheological Brake in Shear Mode Using High-Strength MWCNTs and Fumed Silica-Based Magnetorheological Fluids at Low Magnetic Fields	Journal of Tribology	2023, 145(3)031702	1.891	89/25
  Kesharwani, Rahul, Jha, Kishore Kumar, Imam, Murshid and Sarkar, Chiranjit	The optimization of gap width size during friction stir welding of AA 6061-T6 with Al2O3 particle reinforcement	Journal of Materials Engineering and Performance	2022, Oct, 22, 1-20	2.036	72/39
  Maurya, Chandra Shekhar, Khan, Sandip and Sarkar, Chiranjit	Ferrofluids with monomer, dimer, and trimer nanoparticles: Effects of the dipole–dipole moment and magnetic field on the cluster formation	Journal of Magnetism and Magnetic Materials	2022, 564, 170022	3.097	179/ 64
  Kesharwani, Rahul, Jha, Kishore Kumar, Imam, Murshid and Sarkar, Chiranjit	The optimization of the groove depth height in friction stir welding of AA 6061-T6 with Al2O3 powder particle reinforcement	Journal of Material Research	2022, 37(21),3743-3760	2.909	152/ 48
  Raj, Aashna, Sarkar, Chiranjit, Kumar, Piyush and Pathak, Manabendra	Investigation of magnetorheological grease flow under the influence of a magnetic field	Journal of Molecular Liquids	2022, 361, Article No. 119682	6.633	132/120
  Maurya, Chandra Shekhar, and Sarkar, Chiranjit	Characterization of highly stable water-based magnetorheological gel using OPTIGEL-WX as an additive: the study of magneto-induced rheological and viscoelastic properties	Journal of Industrial and Engineering Chemistry	2022, 110, 137-149	6.064	97/73
  Raj, Aashna, Sarkar, Chiranjit, and Pathak, Manabendra	Thermal and multiphase flow simulations of polytetrafluoroethylene-based grease flow in restricted geometry	Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology	2022, 236 (1), 1-10	1.674	56/21
  Maurya, Chandra Shekhar, and Sarkar, Chiranjit	Rheological and creep and recovery behavior of carbonyl iron water- based magnetorheological gel using laponite as an additive and oleic acid as a surfactant	Rheologica Acta	2022, 66, 99-110	2.627	80/27
  Thakur, Manish, and Sarkar, Chiranjit	Design and testing of a conventional clutch filled with magnetorheological fluid activated by a flexible permanent magnet at low compressive load: Numerical simulation and experimental study	ASME Journal of Tribology	2021, 144 (021205), 1-14	2.045	84/24
  Kesharwani, Rahul, Imam, Murshid and Sarkar, Chiranjit	Effect of Flat Probe on Local Heat Generation and Microstructural Evolution in Friction Stir Welding of 6061-T6 Aluminium Alloy	Transactions of the Indian Institute of Metals	2021, 74(12), 1-19	1.499	31/25
  Maurya, Chandra Shekhar, and Sarkar, Chiranjit	Dynamic and creep and recovery performance of Fe3O4 nanoparticle and carbonyl iron microparticle water-based magnetorheological fluid	Journal of Intelligent Material Systems and Structures	2021, DOI: 10.1177/1045389X211026379, 1-13	2.569	111/37
  Thakur, Manish, and Sarkar, Chiranjit	Thermal and Tribological Performance of Graphite Flake-Based Magnetorheological Fluid Under Shear Mode Clutch	ASME Journal of Tribology	2021, 143(12), 1-24	2.045	84/24
  Maurya, Chandra Shekhar, and Sarkar, Chiranjit	Rheological response of soft flake-shaped carbonyl iron water-based MR fluid containing iron nanopowder with hydrophilic carbon shell	Rheologica Acta	2021, 60, 277-290	2.627	80/27
  Thakur, Manish, and Sarkar, Chiranjit	Lubrication performance of magnetorheological fluid in shear mode magnetorheological clutch with and without groove	Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology	2021, Special Issue: India Trib 2019, 1-18	1.674	56/21
  Raj, Aashna, Sarkar, Chiranjit, and Pathak, Manabendra	Magnetorheological Characterization of PTFE-Based Grease With MoS2 Additive at Different Temperatures	IEEE Transactions on Magnetics	2021, 57(7), 4600410	1.7	137/44
  Maurya, Chandra Shekhar, and Sarkar, Chiranjit	Synthesis and characterization of novel flake-shaped carbonyl iron and water-based magnetorheological fluids using laponite and oleic acid with enhanced sedimentation stability	Journal of Intelligent Material Systems and Structures	2021, 32(14), 1-16	2.569	111/37
  Thakur, Manish, and Sarkar, Chiranjit	Investigation of different groove profile effect on torque transmission in shear mode magnetorheological clutch: Numerical simulation and experimental study	ASME Journal of Tribology	2021, 143 (091801), 1-17	2.045	84/24
  Maurya, Chandra Shekhar, and Sarkar, Chiranjit	Effect of Fe3O4 nanoparticles on magnetorheological properties of flake shaped carbonyl iron water-based suspension	IEEE Transactions on Magnetics	2020, 56(12), 1-9	1.7	137/44
  Thakur, Manish, and Sarkar, Chiranjit	Experimental and Numerical Study of Magnetorheological Clutch with Sealing at Larger Radius Disc	Defence Science Journal	2020, 70(6), 575-582	0.73	32/17
  Kesharwani, Rahul, Imam, Murshid and Sarkar, Chiranjit	Clarification on the choice of sheet positioning in friction stir welding of dissimilar materials	Manufacturing Letters	2020, 24, 100-104	5.533	26/26
  Singh, Anurag, Thakur, Manish, and Sarkar, Chiranjit	Design and development of a wedge shaped magnetorheological clutch	Proc. I Mech E, Part L: Journal of Materials: Design and Applications	2020, 234(9), 1-15	2.311	34/25
  Thakur, Manish, and Sarkar, Chiranjit	Influence of graphite flakes on the strength of magnetorheological fluids at high temperature and its rheology	IEEE Transactions on Magnetics	2020, 56(5), 1-12	1.7	137/44
  Maurya, Chandra Shekhar, and Sarkar, Chiranjit	Magnetic and Transient Temperature Field Simulation of Plate-Plate Magnetorheometer Using Finite Element Method	IEEE Transactions on Magnetics	2020, 56(4), 1-9	1.7	137/44
  Westerberg, Lars, Göran, Lladós, Farré, Josep, Sarkar, Chiranjit, and Terré, Casals, Jasmina	Contaminant Particle Motion in Lubricating Grease Flow: a Computational Fluid Dynamics approach	Lubricant	2018, 6(1), 1-14	3.584	24/23
  Sarkar, Chiranjit, Westerberg, Lars, Göran, and Höglund, Erik	Numerical simulations of lubricating grease flow in a rectangular channel with- and without restrictions	Tribology Transactions	2018, 61(1), 144-156	1.960	65/25
  Westerberg, Lars, Göran, Sarkar, Chiranjit, Lladós, Farré, Josep, Lundström, Staffan and Höglund, Erik	Lubricating grease flow in a double restriction seal geometry: a Computational Fluid Dynamics approach	Tribology Letter	2017, 65, 1 - 17	3.106	92/32
  Sarkar, Chiranjit and Hirani, Harish	Experimental studies on Magnetorheological Brake containing Plane, Holed and Slotted Discs	Industrial Lubrication and Tribology	2017, 69(2), 116 - 122	1.297	30/18
  Sarkar, Chiranjit and Hirani, Harish	Particle dynamics of polydisperse magnetorheological fluids	Smart Science	2016, 3, 177-188		10/11
  Sarkar, Chiranjit and Hirani, Harish	Effect of particle size on shear stress of magnetorheological fluids	Smart Science	2016, 3, 65-73		10/11
  Sarkar, Chiranjit and Hirani, Harish	Synthesis and Characterisation of Nano Particle-based Magnetorheological Fluids for Brake	Tribology Online	2015, 10(4), 281-294		13/12
  Sarkar, Chiranjit and Hirani, Harish	Synthesis and Characterisation of Nano Silver Particle-based Magnetorheological Fluids for Brake	Defence Science Journal	2015, 65(3), 252 - 258	0.73	32/17
  Sarkar, Chiranjit and Hirani, Harish	Development of magnetorheological brake with slotted disc	Proc. I Mech E, Part D: Journal of Automobile Engineering	2015, 229, 1 – 18	1.484	65/26
  Sarkar, Chiranjit and Hirani, Harish	Theoretical and experimental studies on a magnetorheological brake operating under compression plus shear mode	Smart Materials and Structure	2013, 22(11), 115032	3.585	154/58
  Sarkar, Chiranjit and Hirani, Harish	Synthesis and Characterization of Antifriction Magnetorheological Fluids for Brake	Defence Science Journal	2013, 63(4), 408-412	0.73	32/17
  Sarkar, Chiranjit and Hirani, Harish	Design of a Squeeze Film Magnetorheological Brake Considering Compression Enhanced Shear Yield Stress of Magnetorheological Fluid	Journal of Physics: Conference Series	2013, 412(1), 012045		85/39

• C Sarkar, “Ferromagnetic particles removal from bearings – A Computational Fluid Dynamics Approach”, 11th International Conference on Industrial Tribology, IndiaTrib-2022, 2022, New Delhi. M Thakur, C Sarkar, S Chouksey, & R Srinivas, “Numerical study of the plane, slotted and holed disc magnetorheological brakes: A Computational Fluid Dynamics approach”, 9th International and 49th National Conference on FMFP 2022, 2022, IIT Roorkee. C Sarkar, “Numerical simulations of magnetorheological grease in a rectangular channel with- and without restrictions in the presence of external magnetic field”, 10TH International Conference on Industrial Tribology (INDIATRIB – 2019), 2019, Indian Institute of Science (IISc), Bangalore, India. C Sarkar, “Numerical simulation of transmiitable torque in rotating magnetorheological fluid device with different surface texture”, STLE Tribology Frontiers Conference, 2019, Chicago, USA. C Sarkar, “Lubricating grease flow: A computational fluid dynamics Approach”, All India seminars on ‘Major advances and sustainable developments in lubrication domain’, 13th September 2018, Tata Steel Jamshedpur, India. C Sarkar, “Studies on Magnetorheological brake operating under compression and shear modes”, Tribology Department, Central Mechanical Engineering Research Institute Durgapur, 7th August 2018, Durgapur, India. C Sarkar, “Computational Fluid Dynamics of Grease Flow”, Division of Fluid and Experimental Mechanics, Lulea University of Technology Sweden, 18 March 2016, Lulea University of Technology, Sweden. C Sarkar, and H Hirani, “Design of a high torque magnetorheological brake considering compression enhanced shear yield stress of magnetorheological fluid”, 13th International Conference on Electrorheological Fluids and Magnetorheological Suspensions, 2-6 July 2012, Gazi University, Ankara, Turkiye. C Sarkar and H Hirani, “Parametric Design of a Compression Enhanced Shear Yield Stress Magnetorheological Fluid Brake”, 1st National Conference on Thermal, Fluid and Manufacturing Science, J 20-21 January 2012, Surat, India. C Sarkar and B N Lahiri, “Operational ergonomics and productivity drive through flow process charting of non-parallel drilling operations on cubical block with reconfigurable drilling machine”, International Conference on Ergonomic for Everyone, HWWE-2009, 17-19 December 2009, Calcutta University, Kolkata, India.