World's Best Scientists 2026 revealed!
Award Badge
Engineering and Technology
India
2026

D-Index & Metrics

Engineering and Technology

D-Index
89
Citations
24415
World Ranking
304
National Ranking
5

Research.com Recognitions

  • 2026 - Research.com Engineering and Technology in India Leader Award
  • 2025 - Research.com Engineering and Technology in India Leader Award
  • 2023 - Research.com Engineering and Technology in India Leader Award
  • 2022 - Research.com Engineering and Technology in India Leader Award

Overview

G.N. Tiwari is affiliated with the Indian Institute of Technology Delhi in India, focusing extensively on research related to energy and engineering. Their work spans over the domains of renewable energy systems, particularly solar thermal and photovoltaic technologies.

The scientist's research chiefly covers topics such as:

  • Solar Thermal and Photovoltaic Systems
  • Photovoltaic System Optimization Techniques
  • Solar-Powered Water Purification Methods
  • Solar Radiation and Photovoltaics
  • Solar Cell Performance Optimization
  • Thermal Radiation and Cooling Technologies
  • Greenhouse Technology and Climate Control

Tiwari's contributions are positioned largely in the fields of Energy and Engineering, with a particular emphasis on subfields including:

  • Renewable Energy, Sustainability and the Environment
  • Artificial Intelligence
  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Plant Science

Scientific articles authored or coauthored by Tiwari demonstrate engagement with several topics in solar energy and its applications, illustrated by a few recent publications:

  • Effect of shape of condensing cover on energy and exergy analysis of a PVT-CPC active solar distillation system, 2020, Solar Energy
  • Effect of top cover cooling on the performance of hemispherical solar still, 2020, Materials Today Proceedings
  • Environmental and economic sustainability of PVT drying system: A heat transfer approach, 2020, Environmental Progress & Sustainable Energy
  • Determination of optimum tilt and azimuth angle of BiSPVT system along with its performance due to shadow of adjacent buildings, 2021, Solar Energy
  • Experimental study of solar energy-based water purifier of single-slope type by incorporating a number of similar evacuated tubular collectors, 2021, Environmental Science and Pollution Research

Tiwari has frequently collaborated with other researchers including Rohit Tripathi, Akhoury Sudhir Kumar Sinha, Rohit Kumar Singh, Md. Meraj, and P. K. Srivastava.

Their work appears regularly in scholarly venues such as Materials Today Proceedings, Solar Energy, International Journal of Ambient Energy, Journal of Solar Energy Engineering, and Renewable Energy.

In addition to journal contributions, Tiwari has published a book titled Advance Solar Photovoltaic Thermal Energy Technologies released in 2023 by Springer Science+Business Media, adding to their academic output.

Best Publications

  • Present status of solar distillation

    G.N. Tiwari;H.N. Singh;Rajesh Tripathi

  • Thermal modeling of a combined system of photovoltaic thermal (PV/T) solar water heater

    Swapnil Dubey;G.N. Tiwari

  • Photovoltaic modules and their applications: A review on thermal modelling

    G.N. Tiwari;R.K. Mishra;S.C. Solanki

  • Life cycle cost analysis of single slope hybrid (PV/T) active solar still

    Shiv Kumar;G.N. Tiwari

  • Effect of water depths on heat and mass transfer in a passive solar still: in summer climatic condition

    Anil Kr. Tiwari;G.N. Tiwari

  • Estimation of convective mass transfer in solar distillation systems

    Sanjay Kumar;G.N. Tiwari

  • Monthly performance of passive and active solar stills for different Indian climatic conditions

    H.N. Singh;G.N. Tiwari

  • Effect of water depth on internal heat and mass transfer for active solar distillation

    Rajesh Tripathi;G.N. Tiwari

  • Analysis of PV/T flat plate water collectors connected in series

    Swapnil Dubey;G.N. Tiwari

  • Single basin solar still coupled with flat plate collector

    S.N. Rai;G.N. Tiwari

  • Embodied energy analysis of adobe house

    Ashish Shukla;G.N. Tiwari;M.S. Sodha

  • Solar Distillation Practice For Water Desalination Systems

    G. N. Tiwari

  • Parametric study of an active and passive solar distillation system: Energy and exergy analysis

    G.N. Tiwari;Vimal Dimri;Arvind Chel

  • Grape drying by using hybrid photovoltaic-thermal (PV/T) greenhouse dryer: An experimental study

    P. Barnwal;G.N. Tiwari

  • Performance of a solar still integrated with evacuated tube collector in natural mode

    Ragh Vendra Singh;Shiv Kumar;M.M. Hasan;M. Emran Khan

  • Simple multiple wick solar still: Analysis and performance

    M.S. Sodha;Ashvini Kumar;G.N. Tiwari;R.C. Tyagi

  • Energy and exergy analysis of photovoltaic/thermal integrated with a solar greenhouse

    Sujata Nayak;G.N. Tiwari

  • Solar radiation models—A review

    M. Jamil Ahmad;M. Jamil Ahmad;G. N. Tiwari

  • Thermal modeling based on solar fraction and experimental study of the annual and seasonal performance of a single slope passive solar still: The effect of water depths

    Anil Kr. Tiwari;G.N. Tiwari

  • Life cycle cost assessment of building integrated photovoltaic thermal (BIPVT) systems

    Basant Agrawal;G.N. Tiwari

  • Optimization of Tilt Angle for Solar Collector to Receive Maximum Radiation

    G. N. Tiwari;M. Jamil Ahmad

Frequent Co-Authors

M. S. Sodha
M. S. Sodha Indian Institute of Technology Delhi
Ashish Shukla
Ashish Shukla GLA University
Atul Kumar Srivastava
Atul Kumar Srivastava Indian Institute of Tropical Meteorology
S.C. Kaushik
S.C. Kaushik Indian Institute of Technology Delhi
Brian Norton
Brian Norton Tyndall National Institute
Ashok Kumar
Ashok Kumar Indian Institute of Technology Kanpur
Omid Mahian
Omid Mahian Xi'an Jiaotong University
Alibakhsh Kasaeian
Alibakhsh Kasaeian University of Tehran
Ibrahim Dincer
Ibrahim Dincer University of Ontario Institute of Technology

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Best Scientists Citing G.N. Tiwari

Trending Scientists

Recently Published Articles