Dr.Sendhil Kumar Natarajan

@nitpy.ac.in

Assistant Professor and Head of the Department
National Institute of Technology Puducherry

Dr.Sendhil Kumar Natarajan
Kumar Natarajan, is working as an Assistant Professor & Head in the Department of Mechanical Engineering, NIT Puducherry. He did B.Tech in Mechanical Engineering and M.Tech., in Energy Technology in Pondicherry Engineering College in the year of 2001 and 2003. Later, he joined as a Research scholar, at IIT Madras, under Half Time Teaching and Research Assistantship (HTRA Scheme – Full time), MHRD scholarship and obtained his Ph.D in area of solar energy in the year of 2008. After his Ph.D., he joined as Senior R&D Engineer, at CSEM-UAE, Ras Al Khaimah, UAE. Later, he joined as a Post Doctoral Research Fellowship at Heriot-Watt University, Edinburgh, Scotland, United Kingdom under European Union Project. He got young faculty award and outstanding researcher award in the field of Solar Thermal. Recently, he received Best Researcher Award for the year of 2019 - 2020 from NIT Puducherry. He published 49 International Journals and 47 National and International conferences in the

EDUCATION

Ph.D. Mechanical Engineering, 2003 – 2008 (8.5 CGPA, Course Work)
Indian Institute of Technology Madras, Chennai, INDIA
Thesis Title: Investigation of Cavity Receivers for Fuzzy Focal Solar Parabolic Dish Concentrator

M.Tech. Energy Technology, 2001 – 2003 (8.04 CGPA, First Class)
Pondicherry Engineering College, Pondicherry, INDIA
Thesis Title: Design of 1 kW Solar Chimney Power Plant

B.Tech. Mechanical Engineering, 1997 – 2001 (68.50 %, First Class)
Pondicherry Engineering College, Pondicherry, INDIA
Thesis Title: Energy Conservation measures at FINE AUTOMOTIVE INDUSTRIAL RADIATORS (FAIR) Ltd. Sedarapet, Pondicherry, INDIA

RESEARCH INTERESTS

Solar Desalination, Solar Still, Heat Transfer, Integration of CPV with High Temperature Systems

FUTURE PROJECTS

Solar Desalination


Applications Invited

Solar Dryers


Applications Invited
118

Scopus Publications

5189

Scholar Citations

40

Scholar h-index

93

Scholar i10-index

Scopus Publications

RECENT SCHOLAR PUBLICATIONS

  • Experimental investigation of solar desalination systems using low-cost thermal energy storage from waste glass micromaterials in paraffin wax
    SK Suraparaju, RK Rajamony, MS El-Sebaey, TK Kotteda, A Sushma, ...
    Journal of the Taiwan Institute of Chemical Engineers 183, 106634 , 2026
    2026
    Citations: 8
  • Performance and Emission Optimization of a Diesel Engine using Karanja Biodiesel–Hydrogen Dual-Fuel with Azadirachta indica Antioxidant
    P Kumaran, S Natarajan, S Sathiyaraj, T Subramanian
    ITEGAM-JETIA 12 (57), 964-975 , 2026
    2026
  • Taguchi Optimization
    S Ashokkumar, S Natarajan, S Sathiyaraj, S Kumar, N Raj
    Recent Advances in Materials Processing and Characterization: Select … , 2026
    2026
  • Impact of double trumpet-shaped secondary reflector on flat receiver of a solar parabolic dish collector system
    SK Sahu, AS K, SK Natarajan
    Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 47 … , 2025
    2025
    Citations: 16
  • Thermal analysis of modified conical cavity receiver for a paraboloidal dish collector system.
    SK Natarajan
    Energy Sources Part A: Recovery, Utilization & Environmental Effects 47 (2) , 2025
    2025
    Citations: 12
  • Performance evaluation of a surface-modified direct solar dryer integrated with reflectors, CPC, and thermal energy storage for efficient drying of Kohlrabi
    G Muthuvairavan, SK Natarajan
    Journal of Energy Storage 133, 117979 , 2025
    2025
    Citations: 6
  • Innovative double-finned absorber and nanoparticle-enhanced energy storage for enhanced thermo-economic performance of solar stills
    SK Suraparaju, M Samykano, RR Nandavarapu, SK Natarajan, ...
    Separation and Purification Technology 361, 131360 , 2025
    2025
    Citations: 47
  • Numerical and experimental investigations on a thermoelectric generator for electric power generation from waste heat recovery in a combined cycle power plant–an energy and …
    SK Suraparaju, E Elangovan, G Vasudevan, M Samykano, SK Natarajan
    Transactions on Energy Systems and Engineering Applications 6 (1), 1-35 , 2025
    2025
  • Advanced nano-graphite-infused salt-hydrated phase change materials derived from recycled waste for enhancing thermal energy storage with exceptional thermal stability
    A Yadav, M Samykano, AK Pandey, SK Suraparaju, SK Natarajan, ...
    Thermal Science and Engineering Progress 62, 103621 , 2025
    2025
    Citations: 7
  • Modeling and simulation of solar compound parabolic concentrator-integrated low-temperature thermal desalination system
    G Muthuvairavan, AS Kopalakrishnaswami, G Venkatesan, SK Natarajan
    Journal of Solar Energy Engineering 147 (3), 031010 , 2025
    2025
    Citations: 3
  • Enhancing Machining Characteristics of Titanium in EDM Process Using Taguchi Optimization
    S Ashokkumar, S Natarajan, S Sathiyaraj, S Kumar, N Raj
    International Conference on Recent Advances in Materials Processing and … , 2025
    2025
  • Exploring the role of phase change materials in low-temperature solar thermal applications: an extensive overview with challenges and opportunities
    G Vasudevan, G Muthuvairavan, SK Suraparaju, A Yadav, M Samykano, ...
    Environmental Science and Pollution Research 32 (14), 8801-8833 , 2025
    2025
    Citations: 9
  • Techno-economic viability of sustainable solar co-generation using CPV cells in parabolic dish concentrators: A 20-year perspective
    SK Sahu, SK Suraparaju, SK Natarajan, DP Ghosh
    Proceedings of the Institution of Mechanical Engineers, Part C: Journal of … , 2025
    2025
    Citations: 4
  • An intelligent fault node diagnosis and classification approach using XGBoost with whale optimization in wireless sensor networks
    B Nagarajan, SK SVN
    Peer-to-Peer Networking and Applications 18 (1), 44 , 2025
    2025
    Citations: 3
  • TRUST-Based Optimization of High-Performance Machining Process Parameters of Aluminum for Enhanced Product Quality in Automotive Manufacturing.
    S Kalyanakumar, S Natarajan, M Prabhahar, M Saravanakumar, ...
    International Journal of Vehicle Structures & Systems (IJVSS) 17 (1) , 2025
    2025
  • OPTIMIZING DATA INTEGRITY: STATE-OF-THE-ART PRIVACY AND SECURITY TECHNIQUES IN DATABASE MANAGEMENT
    N KUMAR, K KUMAR
    INTERNATIONAL JOURNAL 7 (2) , 2025
    2025
  • A comprehensive review on biodiesel performance: advantages, challenges, policies and prospects
    VRR Guduru, SK Suraparaju, SK Natarajan, RKS Gadepalli, VR Raju
    International Journal of Oil, Gas and Coal Technology 38 (2), 240-282 , 2025
    2025
    Citations: 2
  • Author Correction: Assessing thermal and economic performance of solar dryers in sustainable strategies for bottle gourd and tomato preservation
    SK Suraparaju, E Elangovan, G Muthuvairavan, M Samykano, ...
    Scientific Reports 14, 30464 , 2024
    2024
  • Experimental analysis and development of novel drying kinetics model for drying grapes in a double slope solar dryer
    SK Natarajan, SK Suraparaju, G Muthuvairavan, E Elangovan, ...
    Renewable Energy 236, 121508 , 2024
    2024
    Citations: 21
  • Assessing thermal and economic performance of solar dryers in sustainable strategies for bottle gourd and tomato preservation
    SK Suraparaju, E Elangovan, G Muthuvairavan, M Samykano, ...
    Scientific Reports 14 (1), 27755 , 2024
    2024
    Citations: 26

MOST CITED SCHOLAR PUBLICATIONS

  • Solar thermal energy technologies and its applications for process heating and power generation–A review
    KR Kumar, NVVK Chaitanya, NS Kumar
    Journal of Cleaner Production 282, 125296 , 2021
    2021
    Citations: 468
  • Comparison of receivers for solar dish collector system
    NS Kumar, KS Reddy
    Energy Conversion and Management 49 (4), 812-819 , 2008
    2008
    Citations: 244
  • Combined laminar natural convection and surface radiation heat transfer in a modified cavity receiver of solar parabolic dish
    NSK KS Reddy
    International Journal of Thermal Sciences, , 2008
    2008
    Citations: 211
  • Numerical investigation of natural convection heat loss in modified cavity receiver for fuzzy focal solar dish concentrator
    NS Kumar, KS Reddy
    Solar Energy 81 (7), 846-855 , 2007
    2007
    Citations: 192
  • Numerical Investigations of Solar Cell Temperature for Photovoltaic Concentrator System With and Without Passive Cooling Arrangements
    Sendhil Kumar Natarajan, Matty Katz, Simon Weingaertner and Tapas Kumar Mallick
    International Journal of Thermal Science 50 (12), 2514-2521 , 2011
    2011
    Citations: 179
  • An improved model for natural convection heat loss from modified cavity receiver of solar dish concentrator
    KS Reddy, NS Kumar
    Solar Energy 83 (10), 1884-1892 , 2009
    2009
    Citations: 150
  • Advances in green hydrogen production through alkaline water electrolysis: A comprehensive review
    S Dash, A Singh, SK Surapraraju, SK Natarajan
    International Journal of Hydrogen Energy 83, 614-629 , 2024
    2024
    Citations: 138
  • Advancements in solar technologies for sustainable development of agricultural sector in India: a comprehensive review on challenges and opportunities
    AK Thakur, R Singh, A Gehlot, AK Kaviti, R Aseer, SK Suraparaju, ...
    Environmental Science and Pollution Research 29 (29), 43607-43634 , 2022
    2022
    Citations: 131
  • Productivity enhancement of single-slope solar still with novel bottom finned absorber basin inserted in phase change material (PCM): techno-economic and enviro-economic analysis
    SK Suraparaju, SK Natarajan
    Environmental Science and Pollution Research 28 (33), 45985-46006 , 2021
    2021
    Citations: 125
  • Experimental investigation of single-basin solar still using solid staggered fins inserted in paraffin wax PCM bed for enhancing productivity.
    SK Suraparaju, SK Natarajan
    Environmental Science & Pollution Research 28 (16), 20330 , 2021
    2021
    Citations: 118
  • Performance evaluation of single slope solar still with novel pond fibres
    SK Suraparaju, R Dhanusuraman, SK Natarajan
    Process Safety and Environmental Protection 154, 142-154 , 2021
    2021
    Citations: 100
  • Heat loss characteristics of trapezoidal cavity receiver for solar linear concentrating system
    SK Natarajan, KS Reddy, TK Mallick
    Applied Energy 93, 523-531 , 2012
    2012
    Citations: 100
  • Experimental performance investigation of modified cavity receiver with fuzzy focal solar dish concentrator
    KS Reddy, SK Natarajan, G Veershetty
    Renewable Energy 74, 148-157 , 2015
    2015
    Citations: 94
  • Convection and surface radiation heat losses from modified cavity receiver of solar parabolic dish collector with two-stage concentration
    KS Reddy, N Sendhil Kumar
    Heat and Mass Transfer 45, 363-373 , 2009
    2009
    Citations: 86
  • Review on solar dryers for drying fish, fruits, and vegetables
    SK Natarajan, E Elangovan, RM Elavarasan, A Balaraman, S Sundaram
    Environmental Science and Pollution Research 29 (27), 40478-40506 , 2022
    2022
    Citations: 80
  • An experimental study on eco-friendly and cost-effective natural materials for productivity enhancement of single slope solar still
    SK Natarajan, SK Suraparaju, RM Elavarasan, R Pugazhendhi, ...
    Environmental Science and Pollution Research 29 (2), 1917-1936 , 2022
    2022
    Citations: 78
  • Polyaniline-based nanocomposites for direct methanol fuel cells (DMFCs)-A Recent Review
    SL Madaswamy, AA Alothman, M mana AL-Anazy, AA Ifseisi, ...
    Journal of Industrial and Engineering Chemistry 97, 79-94 , 2021
    2021
    Citations: 75
  • A holistic review on the integration of heat pipes in solar thermal and photovoltaic systems
    R Senthil, RM Elavarasan, R Pugazhendhi, M Premkumar, E Vengadesan, ...
    Solar Energy 227, 577-605 , 2021
    2021
    Citations: 69
  • Enhancement of yield in single slope solar still by composite heat storage material—experimental and thermo-economic assessment
    A Sampathkumar, SK Suraparaju, SK Natarajan
    Journal of Solar Energy Engineering 145 (2), 021005 , 2023
    2023
    Citations: 64
  • Waste-derived thermal storage solutions for sustainable solar desalination using discarded engine oil and paraffin wax: A techno-environmental feasibility evaluation
    SK Suraparaju, M Samykano, SK Natarajan, RK Rajamony, AK Pandey
    Desalination 576, 117318 , 2024
    2024
    Citations: 57

GRANT DETAILS

Experimental Investigation of Combined Thermoelectric Generators and Concentrating Photovoltaic Module Receiver with Secondary Reflectors in a Solar Parabolic Dish Concentrator System for Electricity Production - Completed - Project File no. YSS/2014/000748

RESEARCH OUTPUTS (PATENTS, SOFTWARE, PUBLICATIONS, PRODUCTS)

Solar Powered Electric Liquid Sprayer Device and Method Thereof - Granted – Patent Number: 365031

Flat receiver for Solar Parabolic Dish Concentrator System and Method Thereof - Granted – Patent Number: 356665

Single Slope Solar Desalination Still Using Staggered Fins Inserted in Paraffin Wax PCM Bed - Granted – Patent Number: 356589

Single Slope Solar Desalination System with Algal Fibres - Published Under Examination - 202141019442

CONSULTANCY

Jipmer - Medical College – Heat Load Calculations -Agency CPWD – Karaikal - Lakhs

INDUSTRY EXPERIENCE

Senior R& D Engineer - CSEM-UAE, Ras Al Khaimah, United Arab Emirates, July 2008 – January 2009