Dr Nikola Chalashkanov

Teaching Fellow in the Mechanics of Materials Research Group

Nikola Chalashkanov

 

Email

nc137@le.ac.uk

Location

Engineering South Block room 313b

Telephone

+44 (0) 116 229 7358
Internal: 7358

Post

Dr N Chalashkanov
Department of Engineering
University of Leicester
Leicester LE1 7RH

ORCID Profile: https://orcid.org/0000-0002-1231-0167

Google Scholar Profile: https://scholar.google.co.uk/citations?hl=en&view_op=list_works&gmla=AJsN-F7oOOZJsSHy9oHGeQB-B7hqH2l8I9jvSzux2lKrkD_ODJW3mKCgDTjq0mqTc5m-Ho67bMprGnzFFYo3nf-vPfQV8WIK6A&user=8ShAKzIAAAAJ

Research

My research has been focused on investigating dielectric properties of polymeric materials and studying electrical breakdown mechanisms in polymers. My main research interests include statistical analysis and data mining, chaos theory, dielectric spectroscopy, charge transport in dielectrics, partial discharge and electrical treeing phenomena.

 

Teaching

EG1006 Engineering Design and Experimentation - lectures and practicals

EG1201 Electrical and Electronic Engineering - module convenor

EG2005 Engineering Design 2 - academic mentor

EG2203 Electromagnetism and Electronics - lectures

EG4002 Design Project Management - module convenor

 

Awards

Merit Award - University of Leicester, 11th September 2015

 

Professional Membership

Fellow of the Higher Education Academy (HEA),

Senior Member of IEEE

Member of Institute of Physics (IoP),

CDIO leader for University of Leicester

 

Publications

Journal Papers

  1. Z. Zuo, L. A. Dissado, N. M. Chalashkanov, S. J. Dodd, and C. Yao, Dielectric Breakdown at Sub-Critical Fields, Applied Physics Letters, Vol.113 (11),  2018, 112901, https://doi.org/10.1063/1.5044718
  2. Wu C., X. Liang, L. A. Dissado, N. M. Chalashkanov, S. J. Dodd, Y. Gao, Sen Xu, Dielectric response of nano aluminium tri-hydrate filled silicone rubber, Composites Science and Technology, Vol. 163, 2018, pp. 56-62 https://doi.org/10.1016/j.compscitech.2018.04.002
  3. Gao Y., X. Liang, N. M. Chalashkanov, C. Wu, Z. Zuo, L. A. Dissado., Application and Significance of the Equivalent Circuit Method in the Analysis of Dielectric Response, Proceedings of the CSEE, Vol.38 (1), 2018, pp. 300-308
  4. Mancinelli P.,  A. Cavallini, S. J. Dodd, N. M. Chalashkanov, L. A. Dissado, Analysis of electrical tree inception in silicone gels, IEEE Trans. on Dielectrics and Electrical Insulation, Vol. 24 (6), 2017, 3974 - 3984
  5. Zhou Z., Y. Chenguo, L. A. Dissado, N. M. Chalashkanov, S. J. Dodd, Simulation of electro-thermal ageing and breakdown in polymeric insulation under high frequency trapezoidal-wave pulses, IEEE Trans. on Dielectrics and Electrical Insulation, Vol. 24 (6), 2017, pp. 3766 - 3775
  6. Lei W., K.  Wu, Y. Wang, Y. Cheng, X.  Zheng, L. A. Dissado, S. J. Dodd, N. M. Chalashkanov, J. C. Fothergill, C.  Zhang W.  Li, Are nano-composites really better DC insulators? A study using silica nanoparticles in XLPE, IEEE Trans. on Dielectrics and Electrical Insulation, Vol. 24 (4), 2017, pp. 2268-2270
  7. Gao Y., X. Liang, L.A. Dissado, S.J. Dodd, N.M. Chalashkanov, Dielectric response of filled high temperature vulcanization silicone rubber, IEEE Trans. on Dielectrics and Electrical Insulation, Vol. 23 (6), 2016, p. 3683 - 3695
  8. Chalashkanov N. M., S. J. Dodd, L. A. Dissado, J. C. Fothergill, The Role of Bulk Charge Transport Processes in Electrical Tree Formation and Breakdown Mechanisms in Epoxy Resins, IEEE Trans. on Dielectrics and Electrical Insulation, Vol. 23 (6), 2016, p. 3256 - 3266
  9. Mohd Hafizi A., B. Nouruddeen, B. Zolkafle, Z. A. Yanuar ,A. J. Abdul Azim , M. M.  Piah, A. A. Suleiman,S. Dodd, N. M. Chalashkanov, Temperature Effect on Electrical Treeing and Partial Discharge Characteristics of Silicone Rubber-Based Nanocomposites, Journal of Nanomaterials, vol. 2015, Article ID 962767, 13 pages, 2015. doi:10.1155/2015/962767
  10. Abdelmalik A. A.,  S. J. Dodd, L. A. Dissado, N. M. Chalashkanov, J.C. Fothergill, Charge Transport in Paper Impregnated with Natural Ester Oil,  IEEE Trans. on Dielectrics and Electrical Insulation, Vol. 21 (5), 2014, p. 2318 - 2328
  11. Chalashkanov N. M., S. J. Dodd, L. A. Dissado, J. C. Fothergill, Re-examination of the Dielectric Spectra of Epoxy Resins: Bulk Charge Transport and Interfacial Polarization Peaks, IEEE Trans. on Dielectrics and Electrical Insulation, Vol. 21 (3), 2014, p. 1330-1341

Conference Papers - Teaching

  1. Chalashkanov N., A. Bhangaonkar, R. Thornton, On the Importance of Peer Instruction in Group Design Projects, 14th International CDIO Conference, 28 June – 2 July, 2018, Kanazawa, Japan
  2. Thompson G., D Spooner, N. Chalashkanov, Student Perceptions and Reflections in Peer Review of Group Projects, 11th International CDIO Conference. June 8-11. 2015, Chengdu, China
  3. Chalashkanov N., Implementing the CDIO Framework in a General Engineering Department: A Case Study, in Proc. 10th International CDIO Conference. June 15-19. 2014, Barcelona, Spain

Conference Papers - Research

  1. A. A. Mulla, S. J. Dodd, N. Chalashkanov, L. A. Dissado, Electro-Thermal Model for Calculating the Space Charge around Defects in a 2-D Thin Film Sample, in Proc. IEEE CEIDP 2017. October 22-25. 2017. Fort Worth, Texas, USA, pp. 824-827. 10.1109/CEIDP.2017.8257605
  2. Lei W., L. A. Dissado, S.J. Dodd, N.M. Chalashkanov, J.C. Fothergill, Y. Cheng, and X. Zheng, DC Breakdown Voltage Tests May Not Be A Good Indicator Of Long-Term Ageing Behaviour. A Study Of Silica – XLPE Nanocomposites, Conference Proceedings of ISEIM 2017, September 12-15, 2017, Toyohashi City, Japan, pp. 425-428,  10.23919/ISEIM.2017.8088775
  3. Mulla A. A., S. J. Dodd, N. Chalashkanov, L. A. Dissado, Development of Simulation Models for Calculating Space Charge Accumulation around Defects in a Thin Film Sample under HVDC, in Proc. IEEE ICEMPE 2017, May 14-17. 2017, Xian, China, pp. 1-4, 10.1109/ICEMPE.2017.7982063
  4. Mancinelli P., A. Cavallini, N. M. Chalashkanov, S. J. Dodd, L. A. Dissado, Electrical treeing in Silicone gel under square voltage: frequency, rise time and crosslinking influence, in Proc. IEEE CEIDP 2016. October 16-19. 2016, Toronto, Canada, pp. 979-982,10.1109/CEIDP.2016.7785537
  5. Chalashkanov N. M., S.J. Dodd, L.A. Dissado, J.C. Fothergill, A Comparison between PSA plots of Partial Discharges in Needle Voids and Electrical Trees, 1st IEEE ICD conference, July 3-7. 2016, Montpellier, France, pp. 476 – 479, 10.1109/ICD.2016.7547646
  6. Chalashkanov N. M.,  S.J.Dodd, L.A. Dissado, L.M. Salvatierra, L. Kovalevski, E. Mola, Strain produced by electrostatic forces in electrical trees and its relationship with the elastic modulus of the polymer matrix, in Proc. IEEE CEIDP 2015. October 18-21. 2015, Ann Arbor, MI, USA, pp. 601 – 604, 10.1109/CEIDP.2015.7352112
  7. Kovalevski L., L.M. Salvatierra, P.L. Dammig Quina, I.M.   Irurzun, E.E. Mola, N. M. Chalashkanov, S.J.  Dodd,   L.A. Dissado, Effect of the field frequency during treeing tests in silicone polymers with different degree of crosslinking, in Proc. CEIDP 2015. October 18-21. 2015, Ann Arbor, MI, USA, pp. 613 – 616, 10.1109/CEIDP.2015.7352139
  8. Chalashkanov N. M., L. M. Salvatierra, S. J. Dodd, L. A. Dissado and M. H. Ahmad, Pulse Sequence Analysis (PSA) on PD data from electrical trees grown in various materials, in Proc. IEEE CEIDP 2013. October 20-23. 2013, Shenzhen, China, pp. 813 – 816, 10.1109/CEIDP.2013.6748333
  9. Ahmad M. H., N.M. Chalashkanov, S.J. Dodd, M.A.M. Piah, N. Bashir, and Y.Z. Arief, Temperature Dependence of PD from Electrical Trees Grown in Silicone Rubber based Nanocomposites, in Proc 11th IEEE International Conference on Solid Dielectrics, June 30th - July 4th 2013, Bologna, Italy, pp. 816 - 819 , 10.1109/ICSD.2013.6619843
  10. Chalashkanov N. M., S. J. Dodd and J. C. Fothergill, Limitations of Kramers-Kronig transform for calculation of the DC conductance magnitude from dielectric measurements, in Proc. IEEE CEIDP 2012. October 14-17. 2012 Montreal, Canada, pp. 251 - 254 , 10.1109/CEIDP.2012.6378768
  11. Chalashkanov N. M., S. J. Dodd, H. Zheng and J. C. Fothergill, Influence of water absorption in flexible epoxy resins on the space charge behaviour, in Proc. IEEE CEIDP 2012. October 14-17. 2012 Montreal, Canada, pp. 677 – 680, 10.1109/CEIDP.2012.6378871
  12. Chalashkanov N. M., et al., Pulse Sequence Analysis on PD data from electrical trees in flexible epoxy resins, in Proc. CEIDP 2011. October 16-19. 2011 Cancun, Mexico, pp. 776-779, 10.1109/IEEE CEIDP.2011.6232771
  13. Chalashkanov N. M., S. J. Dodd, et al., On the Relationship between Bulk Charge Transport and Electrical Breakdown Mechanisms in Epoxy Resins, in Proc. Nord-IS, 13-15 June. 2011 Tampere, Finland
  14. Dodd S.J., N. M. Chalashkanov, et al., Influence of Absorbed Moisture on the Dielectric Properties of Epoxy Resins, 2010 IEEE CEIDP. West Lafayette, Indiana, USA, 10.1109/CEIDP.2010.5723953 
  15. Dodd S.J., N.M. Chalashkanov, J.C. Fothergill, Partial Discharge Patterns in Conducting and Non-Conducting Electrical Trees, in Proc. 10th IEEE International Conference on Solid Dielectrics 2010, 4th-9th July , Potsdam, Germany, 10.1109/ICSD.2010.5568217 
  16. Dodd S.J., N.M. Chalashkanov, J.C. Fothergill, L.A. Dissado, Influence of the Temperature on the Dielectric Properties of Epoxy Resins, in Proc. 10th IEEE International Conference on Solid Dielectrics 2010, 4th-9th July, Potsdam, Germany, 10.1109/ICSD.2010.5567945 
  17. Chalashkanov N. M., et al., PD Pattern Recognition Using ANFIS, in Proc. IEEE - CEIDP 2008, October 26-29, Quebec city, Canada, pp. 417 – 420, 10.1109/CEIDP.2008.4772865 
  18. Dodd S.J., N. Chalashkanov, and J.C. Fothergill, Statistical Analysis of Partial Discharges from Electrical Trees Grown in a Flexible Epoxy Resin, in Proc. IEEE - CEIDP 2008, October 26-29. Quebec city, Canada, pp. 666 – 669, 10.1109/CEIDP.2008.4772838 
  19. Kolev N., N. Chalashkanov, Modelling of Partial Discharge Inception and Extinction Voltages Using Adaptive Neuro-Fuzzy Inference System (ANFIS), Proc. 9th  IEEE International Conference on Solid Dielectrics 2007, July 8-13, Winchester, Hampshire, UK, pp. 605 – 608, 10.1109/ICSD.2007.4290886 

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