World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
46
Citations
8927
World Ranking
5125
National Ranking
83

Varun publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Varun sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 97 publications — 8th percentile

8% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

Varun D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Varun sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 46 D-Index — 49th percentile

49% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Overview

Varun is affiliated with the National Institute of Technology Hamirpur in India. Their research contributions span across multiple fields within engineering, with a particular focus on electrical and electronic engineering as well as control and systems engineering. Other areas of work include atomic and molecular physics and optics, aerospace engineering, and mechanical engineering.

The main topics covered in their research encompass plasma diagnostics and applications, gyrotron and vacuum electronics research, pulsed power technology applications, particle accelerators and beam dynamics, plasma applications and diagnostics, heat transfer mechanisms, and solar thermal and photovoltaic systems.

Varun has published research in a variety of academic venues. Among the frequent publication venues are:

  • Asian Journal of Multidimensional Research
  • IEEE Transactions on Electron Devices
  • ACADEMICIA An International Multidisciplinary Research Journal
  • Asian Journal of Physics
  • IEEE Transactions on Plasma Science

Some recent papers authored or co-authored by Varun include:

  • PIC Simulation of Pseudospark Discharge-Based Plasma Cathode Electron Source for the Generation of High Current Density and Energetic Electron Beam, 2020, IEEE Transactions on Electron Devices

Among frequent co-authors are:

  • Udit Narayan Pal
  • Ram Prakash Lamba
  • Navin Kumar Sharma
  • Shikha Misra
  • Rajneesh Kumar

Best Publications

  • LCA of renewable energy for electricity generation systems—A review

    Varun;I.K. Bhat;Ravi Prakash

  • Life cycle assessment of buildings: A review

    Aashish Sharma;Abhishek Saxena;Muneesh Sethi;Venu Shree

  • Life cycle assessment of solar PV based electricity generation systems: A review

    A.F. Sherwani;J.A. Usmani;Varun

  • Review of mathematical modeling on latent heat thermal energy storage systems using phase-change material

    Prashant Verma;Varun;S.K. Singal

  • Energy, economics and environmental impacts of renewable energy systems

    Varun;Ravi Prakash;Inder Krishnan Bhat

  • Performance and emission characteristics of biodiesel from different origins: A review

    Niraj Kumar;Varun;Sant Ram Chauhan

  • A review on roughness geometry used in solar air heaters

    Varun;R.P. Saini;S.K. Singal

  • Solar stills: A review

    Aayush Kaushal;Varun

  • A thermodynamic review of solar air heaters

    Abhishek Saxena;Varun;A.A. El-Sebaii

  • Correlations for solar air heater duct with dimpled shape roughness elements on absorber plate

    Muneesh Sethi;Varun;N.S. Thakur

  • Investigation of thermal performance of solar air heater having roughness elements as a combination of inclined and transverse ribs on the absorber plate

    Varun;R.P. Saini;S.K. Singal

  • Life cycle assessment of sugar industry: A review

    Manish Kumar Chauhan;Varun;Sachin Chaudhary;Suneel Kumar

  • A thermodynamic review on solar box type cookers

    Abhishek Saxena;Varun;S.P. Pandey;G. Srivastav

  • Heat transfer augmentation using twisted tape inserts: A review

    Varun;M.O. Garg;Himanshu Nautiyal;Sourabh Khurana

  • Experimental investigation of heat transfer augmentation using multiple arcs with gap on absorber plate of solar air heater

    N.K. Pandey;V.K. Bajpai;Varun

  • Reverse running pumps analytical, experimental and computational study: A review

    Himanshu Nautiyal;Varun;Anoop Kumar

  • Effective efficiency of solar air heaters having different types of roughness elements on the absorber plate

    M.K. Mittal;Varun;R.P. Saini;S.K. Singal

  • Nusselt number and friction factor correlations for solar air heater duct having protrusions as roughness elements on absorber plate

    Sanjay Yadav;Maneesh Kaushal;Varun;Siddhartha

  • Small hydropower for sustainable energy development in India

    Himanshu Nautiyal;S.K. Singal;Varun;Aashish Sharma

  • Evaluation of interface shear strength of composite liner system and stability analysis for a landfill lining system in Thailand

    D.T. Bergado;G.V. Ramana;H.I. Sia;Varun

Frequent Co-Authors

R.P. Saini
R.P. Saini Indian Institute of Technology Roorkee
Amar Patnaik
Amar Patnaik Malaviya National Institute of Technology Jaipur
A.A. El-Sebaii
A.A. El-Sebaii Tanta University

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