Rajiv Shekhar

PhD, University of California, Berkeley

Professor
Materials Science and Engineering
Indian Institute of Technology
Kanpur, U.P., 208016
Ph: +91-512-259-7016
e-mail: vidtan@iitk.ac.in

Extractive metallurgy

  1. R. Thudum, A. Srivastava, S. Nandi, A. Nagaraj, R. Shekhar: “Molten salt electrolysis of neodymium: electrolyte selection and deposition mechanism,” Trans. Inst. Min. Metall. C, v 119 (2), 2010, pp. 88-92.
  2. S. N. Lenka, S. P. Mehrotra, R. Shekhar: “Magnetohydrodynamics in advanced Hall-Heroult cells: Physical modelling of flow in a laboratory-scale cell, Trans. Inst. Min. Metall. C, v 116, 2007, pp. 177-182.
  3. D. Bhunia, S. P. Mehrotra, R. Shekhar: “A novel probe for measuring current distribution in wood’s metal in a simulated Hall-Heroult cell,” Trans. Inst. Min. Metall. C, v 115, 2006, pp. 206-212.
  4. M. Sankar, N. K. Batra, R. Shekhar, and S. P. Mehrotra: “Roasting, reduction and leaching of Indian ilmenite ore for producing synthetic rutile,” Trans. Indian Institute of Metals, v 59, 2006, pp. 381-387.
  5. S. P. Mehrotra and R. Shekhar:"Particle suspension in air-agitated Pachuca tanks: Investigation of hysterisis and a novel split air injection technique," Metallurgical and Materials Transactions B, vol. 32B, April 2001, p. 223.
  6. G. G. Roy, R. Shekhar and S. P. Mehrotra: "Particle suspension in (air-agitated) Pachuca tanks," Metallurgical and Materials Transactions B, vol. 29B, April 1998, p. 339.
  7. T. Chandrashekhar, R. Shekhar and S. P. Mehrotra: "Solid-liquid mass transfer in air-agitated Pachuca tanks," Transactions of the Institution of Mining & Metallurgy, Section C, vol. 107, 1998, p. C151.
  8. N. K. Nath, N. Chakraborti and R. Shekhar: "Reduction of Indian nickeliferrous ore with gas flowing vertically through the bed," Scandinavian Journal of Metallurgy, vol. 27, 1998, p. 14.
  9. N. K. Nath, N. Chakraborti and R. Shekhar: "Reduction of Indian nickeliferrous ore with gas flowing horizontally over the bed," Scandinavian Journal of Metallurgy, vol. 26, 1997, p. 158.
  10. G. G. Roy and R. Shekhar : "Oxygen mass transfer in (air-agitated) Pachuca Tanks: Part II: Mathematical modelling of mass transfer coefficients," Transactions of the Institution of Mining & Metallurgy, Section C, vol. 105, 1996, p. C16.
  11. G. G. Roy and R. Shekhar: "Oxygen mass transfer in (air-agitated) Pachuca Tanks : Part I Laboratory-scale experimental measurements," Transactions of the Institution of Mining & Metallurgy, Section C, vol. 105, 1996, p. C9.
  12. R. Shekhar and J. W. Evans: "Physical Modelling studies of electrolyte flow due to gas evolution and some aspects of bubble behaviour in Advanced Hall Cells: Part III Predicting the performance of advanced Hall cells," Metallurgical Transaction B., February 1996, p. 19.
  13. N. K. Nath, N. Chakraborti and R. Shekhar: "Selective reduction of nickeliferrous ore : Part I Single pellet experiments," Scandinavian Journal of Metallurgy, vol. 24, 1995, p. 121.
  14. R. Shekhar and J. W. Evans: "Physical Modelling studies of electrolyte flow due to gas evolution and some aspects of bubble behaviour in Advanced Hall Cells: Part II Flow and interpolar resistance in cells with a grooved anode," Metallurgical Transaction B., June 1994, p. 341.
  15. R. Shekhar and J. W. Evans: "Physical Modelling studies of electrolyte flow due to gas evolution and some aspects of bubble behaviour in Advanced Hall Cells: Part I Flow in cells with a flat anode," Metallurgical Transaction B., June 1994, p. 333.
  16. R. Shekhar and J. W. Evans: "Fluid flow and interpolar resistance measurements in Advanced Hall-Heroult cells," Mineral Processing and Extractive Metallurgy Review' Vol. 9, 1992. p. 135.
  17. R. Shekhar and J. W. Evans: "Fluid flow in Pachuca (air agitated) tanks. Part II: Mathematical Modelling of flow in Pachuca Tanks." Metallurgical Transaction B., December 1990, p.191
  18. R. Shekhar and J. W. Evans: "Fluid flow in Pachuca (air agitated) tanks. Part I: Laboratory-scale experimental measurements," Metallurgical Transaction B., December 1989, p.781.

Solar thermal energy

  1. Vishwa Deepak Kumar, Laltu Chandra, Sudipto Mukhopadhyay, Rajiv Shekhar: “Simulated experimental assessment of a laboratory-scale solar convective furnace system,” Journal of Solar Energy Engineering, v 145(4), 2023, pp. 041011 (1-11).
  2. Vishwa Deepak Kumar, Gurveer Singh, Laltu Chandra, Sudipto Mukhopadhyay, Rajiv Shekhar : “A multi-zone unsteady heat transfer model for an open volumetric air receiver: a step towards scale-up and design optimization”, International Journal of Heat and Mass Transfer, v 191, 2022, https://doi.org/10.1016/j.ijheatmasstransfer.2022.122747.
  3. Sharma, L. Chandra, P. S. Ghoshdastidar, R. Shekhar: “ A novel approach for modelling fluid flow and heat transfer in an open volumetric air receiver using ANSYS-FLUENT,” Solar Energy, v 204, 2020, pp. 246-255.
  4. Singh, V. Kumar, P. S. Ghoshdastidar, R. Shekhar, L. Chandra: “One-dimensional zonal model for the unsteady heat transfer analysis in an open volumetric air receiver,” Accepted for publication, J Therm Sci Eng Appl, v 13, 2021, pp. 011011.
  5. Patidar, S. Tiwari, P. Sharma, R. Pardeshi, L. Chandra, R. Shekhar: “Solar convective furnace for metals processing,” JOM, v 67, 2015, pp. 2696-2704.
  6. Singh, D. Saini, N. Yadav, L. Chandra, R. Shekhar: “Dust Deposition Mechanism and Cleaning Strategy for Open Volumetric Air Receiver Based Solar Tower Sub-systems,” Energy Procedia, v 69, 2015, pp. 2081-2089.
  7. Sharma, R. Sarma, L. Chandra, R. Shekhar, P. S. Ghoshdastidar: “On the design and evaluation of open volumetric air receiver for process heat applications,” Solar Energy, v 121, 2015, pp. 41-55.
  8. Sharma, R. Sarma, L. Chandra, R. Shekhar, P. S. Ghoshdastidar: "Solar tower based aluminium heat treatment system: Part I. Design and evaluation of an open volumetric air receiver," Solar Energy, v 111, 2015, pp. 135-150.
  9. Patidar, S. Tiwari, P.K. Sharma, L. Chandra, R. Shekhar: “Open volumetric air receiver based solar convective aluminum heat treatment furnace system,” Energy Procedia, v 69, 2015, pp. 506- 517.

Electroremediation
  1. Shukla, M. K. Harbola, K. Sanjay, R. Shekhar: “Electrochemical fencing of Cr(VI) from industrial wastes to mitigate ground water contamination,” Trans Indian Inst Met, v 70, 2017, pp. 511-518.
  2. Sanjay, R. P. Das, R. Shekhar, : “Electroosmotic pump: “Rate controlling mechanism for unusually fast electroremediation kinetics of Cr(VI) in basic Kanpur soil,” Electrochimica Acta, v 86, 2012, pp. 80-88.
  3. Sanjay, R. Shekhar: “Electrokinetic cleaning of industrial residues,” Trans. Inst. Min. Metall. C, v 121, 2012, pp. 117-120.
  4. K Sanjay, Arora, R. Shekhar and R P Das: “Electroremediation of Cr(VI) Contaminated Soils: Kinetics and Energy Efficiency,” Colloids and Surfaces A: Physicochemical and Engineering Aspects, vol. 222, 2003, pp. 253-259.
  5. Manna, K. Sanjay, R. Shekhar: “Electrochemical Cleaning Of Soil Contaminated With A Dichromate Lixiviant,” International Journal of Mineral Processing, vol. 1696, 2003, pp. 401-406.

Electrochemical drilling

  1. D. S. Bilgi, R. Kumar, V. K. Jain, R. Shekhar: “Predicting Radial Overcut in Deep Holes Drilled by Shaped Tube Electrochemical Machining,” International Journal of Advanced Manufacturing Technology, v 39 (1-2), 2008, pp. 47-54.
  2. D. S. Bilgi, V. K. Jain, R. Shekhar, A. V. Kulkarni: “Hole quality and interelectrode gap dynamics during pulse current electrochemical deep hole drilling,” International Journal of Advanced Manufacturing Technology, v. 34, 2007, pp. 79-95.
  3. D. S. Bilgi, V. K. Jain, R. Shekhar, S. Mehrotra:” Electrochemical deep hole drilling in super alloy for turbine application,” Journal of Materials Processing Technology, v 149, 2004, pp. 445-452
  4. S. Sharma, V. K. Jain and R. Shekhar: “Electrochemical drilling of inconel superalloy with acidified NaCl electrolyte,” International Journal of Advanced Manufacturing Technology, vol. 19, 2002, pp. 492 – 500.

Materials Processing

  1. Ajeet K Srivastav, Rajiv Shekhar: "Nucleation and growth mechanism of Co-Pt alloy nanowires electrodeposited within alumina template," Journal of Nanoparticle Research, v 17, 14, 2015.
  2. Kumar, Govind, K. Philippe, K. Balani: “Processing and nano-mechanical characterization of Mg-Li-Al based Alloys,” Procedia Materials Science, v 5, 2014, pp. 585–59.
  3. K. Srivastav, R. Shekhar, “Crystal anisotropy induced temperature dependent magnetization in cobalt nanowires electrodeposited within alumina template,” Journal of Magnetism and Magnetic Materials, v 349, 2014, pp. 21-26.
  4. Karnik, A. Ghosh, R. Shekhar, “The mechanism of electrochemical discharge (ECD),” Key Engineering Materials, v 572, 2014, pp. 295-299.
  5. Kumar, Govind, R. Balasubramaniam, R. Shekhar, K. Balani: “Microstructure evolution and texture development in thermomechanically processed Mg–Li–Al based alloys,” Mater. Sci. Eng. A, v 547, 2012, pp. 38–50.
  6. Kumar, R. Balasubramaniam, R. Shekhar, K. Balani: “Microstructure and texture evolution during hot rolling of Mg-9Li-7Al-1Sn alloy for aerospace application,”  Material Science Forum, v 702-703, 2012, pp. 85-88.
  7. Shiva Kumar, A. Roy, A. Raghunath, R. C. Sharma, R. Shekhar: “Feasibility and kinetics of nitriding of pure titanium and Ti-6Al-4V in the molten salt bath of potassium nitrate,” Surface Engineering, v 28, 2012, pp. 458-463.
  8. Kumar, Govind, R. Shekhar, K. Balani: “Effect of hot rolling on microstructure and texture evolution of Mg-Li based alloy,” Material Science Forum, v 690, 2011, pp. 347-350.
  9. Karnik, A. Ghosh, R. Shekhar, “Polarity dependence of the electrochemical discharge(ECD),” Key Engineering Materials, v 486, 2011, pp. 131-134.
  10. Karnik, A. Ghosh, R. Shekhar: “Fused deposition process combining electrochemical discharge with high speed selective jet electrodeposition,” Trans IMF, v 87 (5), 2009, pp. 264-271.
  11. Roy, S. J. Parihar, A. Singh, R. C Sharma, R. Shekhar: “Quench hardening of 0.4 % C steel by using aqueous electrolyte plasma as heat source,” Surface Engineering, v 25 (6), 2009, pp.423- 429.
  12. Pradhan, T. Sripadmini, P. Pradhan, M. Katiyar, and R. Shekhar: “Effect of electrode configuration and mode of deposition on magnetoresistance in electrodeposited Co/Cu multilayers on n-Si by a fully electrochemical method,” Electrochimica Acta, v 54 (2), 2008, pp. 430-433.
  13. Roy, R. K. Tewari, R.C. Sharma, R. Shekhar: “Aqueous electrolyte plasma nitriding: A feasibility study,” Surface Engineering, v 23, 2007, pp. 243-246.

Transmission expansion planning

  1. N. Gupta, R. Shekhar, P. K. Kalra: "Computationally efficient composite transmission expansion planning: a pareto optimal approach for techno-economic solution,” accepted for publication, International Journal of Electrical Power and Energy Systems, v 63, 2014, pp. 917-926.
  2. N. Gupta, R. Shekhar, P. K. Kalra: “Probabilistic transmission expansion planning: congestion management based roulette wheel simulation for optimal capacity,” International Journal of Electrical Power and Energy Systems, v 43, 2012, pp. 1259-1266.

Energy policy

  1. R. Shekhar: “Time to tap solar thermal energy,” in Financial Express, 07/01/2015, New Delhi.
  2. P. K. Kalra, R. Shekhar and V. Shrivastava: “Rural Electrification,” in India Infrastructure Report 2007, 3I Network, Ed. A. Rastogi, Oxford University Press, New Delhi, 2007, p. 138.
  3. P. K. Kalra and R. Shekhar: “Urban Energy Management,” in India Infrastructure Report 2006, 3I Network, Ed. A. Rastogi, Oxford University Press, New Delhi, 2006, p. 190.
  4. P. Chitkara, R. Shekhar and P. K. Kalra: “Inter-state transmission of electricity: lessons from the Northern regional grid collapse,” India Infrastructure Report 2002, 3I Network, Eds. S. Morris and R. Shekhar, Oxford University Press, New Delhi, 2001, p. 249..
  5. P. Chitkara, R. Shekhar and P. K. Kalra: “Missing Interconnections in the Power Systems, India Infrastructure Report 2001, 3I Network, Ed. S. Morris, Oxford University Press, New Delhi, 2001, p. 94.