International Journals

  1. Sayantan Das and Udaya Kumar, “Modeling of Bi-Polar Leader Inception and Propagation from Flying Aircraft Prior to a Lightning Strike”, Atmosphere 2022, 13, 943. https://doi.org/10.3390/atmos13060943
  2. Ashiq M, Satish L & Udaya K, “Standing Waves on Uniform Single Layer Coils – Revisited and Extended”, IEEE Transactions on Power Delivery, Vol.37, No.6, Dec 2022. Digital Object Identifier 10.1109/TPWRD.2022.3160166
  3. Muhammed, L. Satish and U. Kumar, “Elegant procedure to estimate series capacitance of a uniform transformer winding from its measured FRA: implementable   on existing FRA instruments,” in High Voltage, vol. 5, no. 4, pp. 444-453, 8/ 2020, doi: 10.1049/hve.2019.0251. https://digital-library.theiet.org/content/journals/10.1049/hve.2019.0251
  1. Pal and U. Kumar, “Modeling of Return-Stroke Current Evolution Over a Realistic Ground,” in IEEE Transactions on Electromagnetic Compatibility, vol. 63, no. 5, pp. 1471-1479, Oct. 2021, doi: 10.1109/TEMC.2021.3066839.
  2. Nath and U. Kumar, “Total electric field due to an isolated electron avalanche,” in IEEE Transactions on Dielectrics and Electrical Insulation, vol. 23, no. 5, pp. 2562-2571, October 2016, doi: 10.1109/TDEI.2016.7736813.
  3. Subramanian, U. Kumar and S. Bhowmick, “On Overcoming the Transverse Boundary Error of the SU/PG Scheme for Moving Conductor Problems,” in IEEE Transactions on Magnetics, vol. 58, no. 1, pp. 1-8, Jan. 2022, doi: 10.1109/TMAG.2021.3123748.
  4. Ashiq M, Satish L & Udaya K, “Elegant procedure to estimate series capacitance of a uniform transformer winding from its measured FRA: implementable on existing FRA instruments” IET High Voltage, doi: 10.1049/hve.2019.0251
  5. Santosh J and Udaya Kumar, “Validity of Circuit Based Models for Air-Cored Helical Windings at High Frequency Regimes”, IET Generation, Transmission and Distribution. Vol. 13,  No. 9, 2019, pp. 1709-1717, https://doi.org/10.1049/iet-gtd.2018.6456.
  6. Debasish Nath, Udaya Kumar, “Total Electric Field due to an Isolated Electron Avalanche”, IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 23, Issue 5, October 2016, pp. 2562-2571.
  7. Sethupathy and Udaya Kumar, ” Stable Galerkin finite-element scheme for the simulation of problems involving conductors moving rectilinearly in magnetic fields “, in print, IET Science, Measurement and Technology.
  8. Shtifanov A.I., Potapenko A.N., Potapenko T.A., Kumar U., “Computational Experiments with the Ability to Determine the General Features of the Composite Lightning Air Terminal”, Fundamental Research, No. 11, Issue 6, 2015, pp. 1137 – 1144.
  9. Potapenko A.N., Kumar U., Potapenko T.A., Shtifanov A.I., The Research of Distributed Lightning Protection of the Space-Launch Complex on the Basis of Simulation Experiment”, Fundamental Research, No. 11, Issue 4, 2015, pp. 727 – 734.
  10. Sethupathy and Udaya Kumar, “Augmenting Numerical Stability of the Galerkin Finite Element Formulation for Electromagnetic Flowmeter Analysis”, IET Science, Measurement and Technology, 2016, pp. 1-8.
  11. Udaya Kumar, “Role of upward leaders in modifying the induced currents in solitary down-conductors during a nearby lightning strike to ground “, Journal of Atmospheric and Solar-Terrestrial Physics, Elsevier, Vol 134, pp 30 – 40, 2015.
  12. Udaya Kumar, Rupam Pal and Paramesha K, “Evaluation of the grounding resistance of conductors buried in step-like terrain”, IEEE Trans on Industrial Applications, December 2015 Issue.
  13. Vernon Cooray, Udaya Kumar, Farhad Rachidi and Carlo Alberto Nucci, “On the possible variation of the lightning striking distance as assumedin the IEC lightning protection standard as a function of structure height”, Electric Power Systems Research, Vol. 113, 2014, pp. 79-87.
  14. Udaya Kumar and Rosy Balaram Raysaha, “Genesis of Return Stroke Current Evolution at the Wavefront”, Journal of Atmospheric Research, Vol. 129-130, 2013, pp. 42- 48.
  15. Rosy Balaram Raysaha, Udaya Kumar and Vernon Cooray, “Analysis for the Reflected Waves on the Channel by Tall Grounded Objects Using a Special Case”, IEEE Trans. on Electromagnetic Compatibility., Vol. 54, No. 2, April 2012,  pp. 262 – 271.
  16. Vinoda Shivanand, Vishwanath Hehgde and Udaya Kumar, “On the Influence of Neighbouring Conducting Objects on the Induced Currents in Simple Down Conductors due to Nearby Lightning Strike, Electric Power Components and Systems, volume 40, No. 14, 2012, pp. 1533-1543.
  17. Subba Reddy B and Udaya Kumar, “Modeling and Simulation of surface and volume stress for High voltage Porcelain insulators”, International Journal of Computers & Applications, ACTA press, Canada, Vo. 34, 1, 2012, pp.29-35.
  18. Rosy Balaram Raysaha and Udaya Kumar, “Investigation on the Sources of Reflection at the Junction of Tall Grounded Object and Lightning Channel”, IEEE Trans. on Electromagnetic Compatibility, Vol. 53, No. 3, August 2011, pp. 764-772.
  19. Rosy Balaram Raysaha,  Udaya Kumar and Rajeev Thottappillil, “A Macroscopic Model for First Return Stroke of Lightning, IEEE Trans. on Electromagnetic Compatibility, Vol. 53, No. 3, August 2011, pp. 782-791.
  20. Rosy Balaram Raysaha and Udaya Kumar, “Dynamics for the secondary current pulses at the main wavefront”, Journal of Lightning Research, Vol. 3, 2011, pp. 10-17.
  21. Vishwanath Hegde, Govind R. Kunkolienker & Udaya Kumar, “Numerical Electromagnetic Analysis of Current and Voltage Distribution along down Conductors and Towers Hit by Direct Lightning”, Electric Power Components and Systems, Vol. 39, 2011, pp. 225-236.
  22. Subba Reddy B and Udaya Kumar, “Enhancement of Surface Flashover Performance of High Voltage Ceramic Disc Insulators”, Journal of Materials Engineering and Performance, ASM International, Springer publications, USA, Volume 20, No. 1, 2011, pp. 24-30.
  23. Subba Reddy B and Udaya Kumar, “Simulation of Potential and Electric Field Profiles for transmission line Insulators”, International Journal of Modeling and Simulation, ACTA Press, Canada, Vol. 30, No.4, December 2010, pp. 490-498.
  24. Subba Reddy B and Udaya Kumar, “Radio Interference Measurements on a Ceramic disc Insulator String with Field Reduction Electrode”, Journal of Instrumentation, IOP Science publication, Vol. 5, 2010, pp.1-7.
  25. Lucian Dascalescu, Subhankar Das and Udaya Kumar, “Numerical Simulation of conductive particle behaviour at the surface of a plate electrode affected by a DC corona field”, Journal of Electrostatics, Vol. 67, 2009, pp. 167-172.
  26. Vishwanath Hegde and Udaya Kumar, “Studies on characteristics of lightning generated currents in an interconnected lightning protection system”, Journal of Electrostatics, Vol. 67, 2009, pp. 590-596.
  27. Udaya Kumar, “Investigation on the Potential rise and Currents in Insulated Mast Scheme with Single Tower During Stroke Interception”, Journal of Lightning Research, Vol. 1, 2009, pp. 28-38.
  28. Udaya Kumar, Rosy Balaram Raysaha and Dileep Kumar K.P., “Time Domain Modelling of First Return Stroke of Lightning”, The Open Atmospheric Science Journal, Vol. 2, 2008, 261-270.
  29. Udaya Kumar, Vishwanath Hedge and Pranavkumar Darji, “Investigations on the Voltages and Currents in the Lightning Protection System of the Indian Satellite Launch Pad-I During a Stroke Interception”, IEE Science Measurement and Technology, 1, No. 5, 2007, pp. 225 – 231.
  30. Udaya Kumar, Vishwanath Hegde, and Vinoda Shivanand, “Preliminary Studies on the Characteristics of the Induced Currents in Simple Down Conductors Due to a Nearby Lightning Strike”, IEEE Tran. Electromagnetic Compatibility, Vol. 48, No. 4, Nov. 2006, pp. 805 -816
  31. Udaya Kumar and Paresh Kumar Nayak, “Investigations on the Post-Stroke Voltages and Currents in Lightning Protection Schemes Involving Single Tower”, IEEE Electromagnetic Compatibility, Volume 47, No. 3, pp. 543 – 551, August 2005 
  32. Udaya Kumar, Prasanth Kumar B & Jagannath Padhi, “A Macroscopic Inception Criterion for the Upward Leaders of natural Lightning”, IEEE Transaction on Power Delivery, Volume 20, No 2, pp. 904 – 911, April 2005.
  33. Udaya Kumar and Nelson T Joseph, “Analysis of the Air Termination System of the Lightning Protection Scheme for the Indian Satellite Launch Pad”, IEE Proceedings, Science & Measurement Technology,Volume 150, Issue 01, January 2003.
  34. Udaya Kumar and Vasu Mogaveera, “Studies on Voltage distribution in ZnO Surge Arrester”, IEE Proceedings, Generation, Transmission & Distribution, 149, No. 4, July 2002.
  35. Udaya Kumar and G.R. Nagabhushana, “Novel Model for the Simulation of Lightning Stepped Leader”, IEE Proceedings, Science & Measurement Technology, Vol. 147, No. 2, March 2000, pp. 56-64.
  36. Udaya Kumar and G.R. Nagabhushana, “Images in Linearly Conducting Dielectrics”, IEE Proceedings, Science & Measurement Technology, Vol. 144, No. 4, July 1997, pp.163-167.