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SAGARIKA KUMAR
Academic
Background:
- Joined Department of Energy Science & Engineering, IIT Bombay as M.Sc-Ph.D student in 2012
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B.Sc. (Hons.) in Physics, Miranda House, Delhi University, 2009-2012
Work Experience: Carried out a project on "Studying the Fundamentals and Few Applications of Spectroscopy" under DS Kothari Centre for Research and Innovation in Science Education, Miranda House, Delhi University.
Contact: +91-9167273231
Email id: sagarika505@gmail.com
Research Interests:
- Environmental degradation analysis of crystalline silicon photovoltaic modules
- Characterization of defects in PV modules using spatial characterization techniques
- Finite element modelling simulation of thermo-mechanical damage in photovoltaic modules
- Chemical and micro-structural analysis of solar cell degradation products
Ph.D. Topic: Characterization of Degradation in PV modules Under Simulated Environmental Conditions
Publications:
Journals:
- R. Meena, S. Kumar, R. Gupta, "Comparative investigation and analysis of delaminated and discolored encapsulant degradation in crystalline silicon photovoltaic modules", Solar Energy, vol. 203, pp. 114-122, 2020
- S. Kumar, R. Meena, R. Gupta, "Imaging and micro-structural characterization of moisture induced degradation in crystalline silicon photovoltaic modules", Solar Energy, vol. 194 (C), pp. 903-912, 2019
- S. Kumar, R. Gupta, "Decoupled effects of thermal cycle parameters on thermo-mechanical damage accumulation at fingers in crystalline silicon photovoltaic modules ", Microelectronic Engineering , vol. 217, pp. 111102, 2019
- S. Roy, S. Kumar, R. Gupta, "Investigation and analysis of finger breakages in commercial crystalline silicon photovoltaic modules under standard thermal cycling test ", Engineering Failure Analysis, vol. 101, pp. 309-319, 2019
- S. Kumar, R. Gupta "Investigation and analysis of thermo-mechanical degradation of fingers in a photovoltaic module under thermal cyclic stress conditions", Solar Energy , vol. 174, pp. 1044-1052, 2018
- P. Jena, H. Mohammed, S. Kumar and R. Gupta, "Application of Electro-thermal Approach for Non-Destructive Evaluation of Materials and Structures by Infrared Thermography," Journal of Nondestructive Testing and Evaluation, vol. 16, no. 12, pp. 22-29, 2018
- S. Kumar, P. Jena, A. Sinha, R. Gupta, "Application of Infrared Thermography for Non-Destructive Inspection of Solar Photovoltaic Modules," Journal of Nondestructive Testing and Evaluation, vol. 15 (9), pp.25-32, 2017
- S. Kumar, S. Roy, R. Gupta, "Characterization of Degradation under Standard Environmental Testing Methods for Crystalline Silicon Photovoltaic Modules," International Journal of Power and Energy Research, vol. 1 (3), pp. 150-158, 2017
International Conferences:
- R. Meena, S. Kumar and R. Gupta, "Investigation and Analysis of Chemical Degradation in Metallization and Interconnects using Electroluminescence Imaging in Crystalline Silicon Photovoltaic Modules", Virtual-47th IEEE Photovoltaics Specialists Conference, July 2020
- S. Kumar and R. Gupta, "Effects of Solder Configurations on Finger Breakages in Photovolatic Modules under Thermal Cycling Conditions", 36th European Photovoltaic Solar Energy Conference and Exhibition, Marseille, France, September 2019
- S. Roy, S. Kumar, R. Meena and R. Gupta, "Investigation on Shunt Severity in PV modules by Electroluminescence Imaging and Lock-in Thermography", 36th European Photovoltaic Solar Energy Conference and Exhibition, Marseille, France, September 2019
- B. Adhothu, A. Singh, S. Kumar, S. Zele and S. Mallick "Effects of curing temperature on properties of ethylene vinyl acetate (EVA) used for crystalline silicon solar module encapsulation", 36th European Photovoltaic Solar Energy Conference and Exhibition, Marseille, France, September 2019
- S. Kumar and R. Gupta, "Influence of Cell Packaging and Design Parameters on Thermo-mechanical Reliability of Fingers in Crystalline Silicon Photovoltaic Modules", AIP Conference Proceedings, 2147, 090002, Leuven, Belgium, 2019
- H. Mohammed, R. Gupta, O. Sastry, B. Bora, D. Magare, Y. Singh and S. Kumar, "Estimation of Most Frequent Operating Conditions of Different Technology Silicon Photovoltaic Module in India Using IEC 61853-1 Approach", AIP Conference Proceedings, 2147, 090004, Leuven, Belgium, 2019
- S. Kumar, R. Gupta , "Thermo-mechanical degradation at finger-solder interface in a crystalline silicon photovoltaic module under thermal fatigue conditions", 46th IEEE Photovoltaics Specialists Conference, Chicago, USA, 2019
- A. Sinha, S. Roy, S. Kumar and R. Gupta, "Investigation of Degradation in Photovoltaic Modules by Infrared and Electroluminescence Imaging", Advances in Optical Science and Engineering, Springer proceedings of the 3rd International Conference OPTRONIX, vol. 194, Kolkata, India, 2016
Awards:
- Best paper award in R&D category from Indian Society for Non-Destructive Testing, for the year 2018. The award was given by Chairman of Atomic Energy Regulatory Board and sponsored by M/s Industrial X-Ray & Allied Radiographers (I) Pvt. Ltd.
- NDT Best Paper Award 2017 in Industrial applications from Governor of Tamil Nadu, sponsored by Indian Society for Non-Destructive Testing and M/s East-west Engineering & Electronics Co.
- Best Poster Presentation award at the IPSEC 2015.
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