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Abhishek Saraswat - PSFC - Abhishek Saraswat
Abhishek Saraswat
Graduate Student
Nuclear Science and Engineering
Lab Website
Biography

Abhishek's current research focuses on experimental investigations of hydrogen transport in molten salts for advanced breeding blanket configurations. Previously, he contributed to the Lead-Lithium MHD Loop (LLMHD Loop), the Experimental Helium Cooling Loop (EHCL), and a range of PbLi liquid metal experiments, including diagnostics development, corrosion studies, and purification. His research interests span high-temperature liquid breeder technologies, encompassing both liquid metals and molten salts, along with the development of advanced diagnostic techniques for these systems.

Education
  • B.E., Instrumentation & Control Engineering, University of Delhi, 2010
  • MS, Mechanical Engineering, Indian Institute of Technology Madras, 2022
  • SM, Nuclear Science and Engineering, Massachusetts Institute of Technology, 2026
Awards

Institute Research Award, Indian Institute of Technology Madras

Hydrogen permeation in molten salt; Evaluation of ceramic insulators for liquid metal applications; MHD and thermo-fluid investigations on liquid PbLi; Two-phase flow diagnostics for high temperature liquid Pb/Pb-alloys; High temperature, high pressure helium cooling system development; Coolant purification and corrosion studies for liquid PbLi.

Peer Reviewed Journal Publications:

  • A. Saraswat, W. Zhou, N. Kim, J. F. Cota, G. Zheng, A. A. Khechfe, C. S. Barthel, M. P. Short, R. Delaporte-Mathurin and K. B. Woller, Permeation behavior of hydrogen isotopes in molten FLiBe (2LiF-BeF2): Identifying sources of uncertainty and associated measurement challenges. International Journal of Hydrogen Energy, 253, 2026.
  • A. Saraswat, R. Bhattacharyay, P. Chaudhuri and S. Gedupudi, Development of a test bed to investigate wetting behaviours of high-temperature heavy liquid metals for advanced nuclear applications, Liquids, 5(4), 2025.
  • A. Saraswat, A. Fraile, S. Gedupudi, R. Bhattacharyay and P. Chaudhuri. A comprehensive review of experimental and numerical studies on liquid metal-gas two-phase flows and associated measurement challenges. Annals of Nuclear Energy, 213, 2025.
  • A. Deoghar, S. Verma, A. Saraswat, A. Prajapati, S. Gupta, A. Patel, H. Tailor, A. Gandhi, S. K. Sharma, V. Vasava and R. Bhattacharyay, Preliminary assessment of the operational performance of the Pb-16Li heat extraction system. Fusion Science and Technology, 81(5), 2025.
  • A. Patel, S. Verma, A. Saraswat, P. Satyamurthy, S. Malhotra, R. Bhattacharyay, S. Gupta, A. Prajapati, M. Kumar, T. S. Rao, A. Makwana, D. Sharma, A. Jaiswal, D. Mohanta, S. K. Sharma, V. Vasava, H. Tailor, A. Deoghar, S. Sahu, C. Dodiya, U. Prasad, A. Ranjan and S. Ranjith Kumar. First operation of LLMHD loop with electromagnet for R & D MHD experiments. Fusion Engineering and Design, 207, 2024.
  • A. Saraswat, R. Bhattacharyay, S. Gedupudi and P. Chaudhuri. Design, fabrication and validation of an electrical conductivity principle based two-phase detection sensor array for molten lead (Pb) based heavy metal coolants up to 600ºC. Journal of Instrumentation, T05018, 19(5), 2024.
  • A. Saraswat, R. Bhattacharyay, P. Chaudhuri and S. Gedupudi. Fabrication aspects and performance characterization of α-Al2O3/AlPO4 based sandwich configuration flow channel inserts and coatings for high temperature liquid metal applications. ASME Journal of Nuclear Engineering and Radiation Science, 10(3), 2024.
  • A. Deoghar, A. Prajapati, S. Verma, A. Saraswat, S. Gupta, D. Sharma, N. Kumar, C. Sasmal, V. Vasava, H Tailor and R. Bhattacharyay. Development of lead lithium (Pb-16Li) alloy production system and characterization of the produced alloy. Fusion Engineering and Design, 198, 2024.
  • B. K. Yadav, A. Gandhi, A. Saraswat, S. Verma and P. Chaudhuri. Overview of the Experimental Helium Cooling (EHCL) System. Fusion Engineering and Design, 196, 2023.
  • A. Saraswat, A. Prajapati, R. Bhattacharyay, P. Chaudhuri and S. Gedupudi. Development of a compact multivariable sensor probe for two-phase detection in high-temperature PbLi-argon vertical columns. Instruments and Experimental Techniques, 65(1), 2022.
  • A. Saraswat, C. Sasmal, A. Prajapati, R. Bhattacharyay, P. Chaudhuri and S. Gedupudi. Experimental investigations on electrical-insulation performance of Al2O3 coatings for high temperature PbLi liquid metal applications. Annals of Nuclear Energy, 167, 2022.
  • A. Deoghar, A. Saraswat, H. Tailor, S. Verma, S. Gupta, C. S. Sasmal, V. Vasava, S. Sahu, A. Prajapati and R. Bhattacharyay. Entrapment of impurities inside a cold trap: A purification process for removal of corrosion impurities from molten Pb-16Li. Nuclear Fusion, 61, 2021.
  • H. Patel, M. Panchal, A. Saraswat, N. Patel and P. Chaudhuri. Simultaneous measurement of effective thermal conductivity and effective thermal diffusivity of Li2TiO3 pebble bed using transient hot-wire technique. Fusion Engineering and Design, 171, 2021.
  • B. K. Yadav, K. T. Sandeep, A. Gandhi, A. Saraswat, D. Sharma and P. Chaudhuri. Design updates for helium cooling system of Indian LLCB blanket. Fusion Engineering and Design, 167, 2021.
  • M. Panchal, A. Saraswat and P. Chaudhuri. Experimental measurements of gas pressure drop of packed pebble beds. Fusion Engineering and Design, 160, 2020.
  • M. Panchal, A. Saraswat, S. Verma and P. Chaudhuri. Measurement of effective thermal conductivity of lithium metatitanate pebble bed by transient hot-wire technique. Fusion Engineering and Design, 158, 2020.
  • S. Ranjithkumar, B. K. Yadav, A. Saraswat, P. Chaudhuri, E. R. Kumar, A. Kunze and B. E. Ghidersa. Performance assessment of the Helium cooled first wall mock-up in HELOKA facility. Fusion Engineering and Design, 150, 2019.
  • A. K. Verma, B. K. Yadav, A. Gandhi, A. Saraswat, S. Verma and E. R. Kumar. 3D modelling of loop layout, pipe stress analysis and structural responses of high-pressure high-temperature Experimental Helium Cooling Loop (EHCL). Fusion Engineering and Design, 145, 2019.
  • A. Saraswat, A. V. Deoghar and R. Bhattacharyay. Automation and interlock system design for Pb-Li liquid-metal purification experimental facility. Fusion Engineering and Design, 141, 2019.
  • M. Kumar, A. Patel, A. Jaiswal, A. Ranjan, D. Mohanta, S. Sahu, A. Saraswat, P. Rao, T. S. Rao, V. Mehta, S. Ranjithkumar, R. Bhattacharyay, E. R. Kumar, S. Malhotra and P. Satyamurthy. Engineering design and development of lead lithium loop for thermo-fluid MHD studies. Fusion Engineering and Design, 138, 2019.
  • M. Panchal, A. Saraswat, S. Verma and P. Chaudhuri. Estimation of effective thermal conductivity for lithium metatitanate (Li2TiO3) pebble beds using steady state axial heat flow methods. Journal of Coupled Systems and Multiscale Dynamics, 6(4), 2018.
  • A. Deoghar, A. Jaiswal, P. Rao, S. Verma, C. Sasmal, S. Gupta, A. Saraswat, A. Prajapati, S. Sahu and R. Bhattacharyay. Design, development and testing of prototype cold trap for Pb-16Li purification. Fusion Engineering and Design, 137, 2018.
  • A. Saraswat, S. Verma, S. Gupta, A. Sarada Sree and E. R. Kumar. Data-acquisition, control & interlock system design for corrosion experiments of IN-RAFM steel with flowing Pb-Li in presence of magnetic field. Fusion Engineering and Design, 132, 2018.
  • A. Sarada Sree, A. Saraswat, C.S. Sasmal, S. Verma, A. Prajapati, A. Jaiswal, S. Gupta, J. Chauhan, K. Pandya, M. Makwana, H. Tailor, H. S. Agravat, P. Rao and E. R. Kumar. Corrosion experiments on IN-RAFM steel in flowing lead-lithium for Indian LLCB TBM. Fusion Engineering and Design, 132, 2018.
  • A. Saraswat, S. Sahu, T. S. Rao, A. Prajapati, S. Verma, S. Gupta, M. Kumar, R. Bhattacharyay and P. Das. Development of diagnostics for high-temperature high-pressure liquid Pb-16Li applications. World Journal of Nuclear Science and Technology, 7, 2017.
  • B. K. Yadav, A. Gandhi, A. K. Verma, T. S. Rao, A. Saraswat, E. R. Kumar, M. Sarkar and K. N. Vyas. Conceptual design of experimental helium cooling loop for Indian TBM R&D experiments. International Journal of Physical and Mathematical Sciences, 8(2), 2014.
  • Peer Reviewed Book Chapters:
  • A. Saraswat, C. Sasmal, A. Prajapati, R. Bhattacharyay, P. Chaudhuri and S. Gedupudi. Electrically insulating corrosion-resistant tritium permeation barrier coatings for high temperature liquid metal breeders of nuclear fusion reactors. In: Pakseresht, A., Kamalan Kirubaharan, A. M. (eds) Coatings for High-Temperature Environments: Anti-Corrosion and Anti-Wear Applications, 2024, Springer Cham (invited book chapter).
  • A. Saraswat, A. Prajapati, R. Bhattacharyay, P. Chaudhuri and S. Gedupudi. Experimental investigations on bubble detection in water-air two-phase vertical columns. In: Kumar, A., Pal, A., Kachhwaha, S. S., Jain, P. K. (eds) Recent Advances in Mechanical Engineering. Lecture Notes in Mechanical Engineering, 2021, Springer Singapore.
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