World's Best Scientists 2026 revealed!
Gopalakrishnan Kumar

Gopalakrishnan Kumar

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Engineering and Technology
Korea
2026

D-Index & Metrics

Engineering and Technology

D-Index
99
Citations
29144
World Ranking
159
National Ranking
2

Gopalakrishnan Kumar 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 Gopalakrishnan Kumar 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: 362 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

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

Gopalakrishnan Kumar 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 Gopalakrishnan Kumar 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: 99 D-Index — 98th percentile

98% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

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

Overview

Gopalakrishnan Kumar is affiliated with Yonsei University in South Korea. Their academic work primarily spans the fields of Engineering and Environmental Science, with significant contributions to several subfields including Biomedical Engineering, Building and Construction, Renewable Energy, Sustainability and the Environment, Molecular Biology, and Pollution.

The main research topics addressed by Kumar focus on biofuel production and bioconversion, anaerobic digestion and biogas production, algal biology and biofuel production, microbial metabolic engineering and bioproduction, catalysis for biomass conversion, microbial fuel cells and bioremediation, and biodiesel production and applications.

Kumar has published extensively, with a notable presence in journals such as Bioresource Technology, Fuel, the International Journal of Hydrogen Energy, The Science of The Total Environment, and the International Journal of Energy Research. Their prolific output includes influential papers like:

  • Recent advances in lignocellulosic biomass for biofuels and value-added bioproducts - A critical review (2021, Bioresource Technology)
  • Techno-economic assessment of various hydrogen production methods - A review (2020, Bioresource Technology)
  • Lignocellulosic biomass-based pyrolysis: A comprehensive review (2021, Chemosphere)
  • A critical review of pretreatment technologies to enhance anaerobic digestion and energy recovery (2020, Fuel)
  • Potential of microalgae as a sustainable feed ingredient for aquaculture (2021, Journal of Biotechnology)

Collaboration is a prominent aspect of Kumar's research career. Frequent coauthors include J. Rajesh Banu, S. Kavitha, Sang-Hyoun Kim, R. Yukesh Kannah, and Shashi Kant Bhatia. This network reflects active engagement across multiple research groups and interdisciplinary projects.

Best Publications

  • An overview of food waste management in developing countries: Current status and future perspective.

    Ngoc Bao Dung Thi;Gopalakrishnan Kumar;Chiu Yue Lin

  • Recent advances in lignocellulosic biomass for biofuels and value-added bioproducts - A critical review.

    Veeramuthu Ashokkumar;Radhakrishnan Venkatkarthick;Shanmugam Jayashree;Santi Chuetor

  • Techno-economic assessment of various hydrogen production methods - A review.

    R. Yukesh Kannah;S. Kavitha;Preethi;O. Parthiba Karthikeyan

  • A review on lignin structure, pretreatments, fermentation reactions and biorefinery potential.

    Vinoth Kumar Ponnusamy;Dinh Duc Nguyen;Jeyaprakash Dharmaraja;Sutha Shobana

  • Lignocellulosic biomass-based pyrolysis: A comprehensive review

    Yogalakshmi K N;Poornima Devi T;Sivashanmugam P;Kavitha S

  • A critical review of pretreatment technologies to enhance anaerobic digestion and energy recovery

    M.R. Atelge;M.R. Atelge;A.E. Atabani;J. Rajesh Banu;J. Rajesh Banu;David Krisa

  • A comprehensive review on green nanomaterials using biological systems: Recent perception and their future applications.

    Rijuta Ganesh Saratale;Indira Karuppusamy;Ganesh Dattatraya Saratale;Arivalagan Pugazhendhi

  • New insights on the green synthesis of metallic nanoparticles using plant and waste biomaterials: current knowledge, their agricultural and environmental applications.

    Rijuta Ganesh Saratale;Ganesh Dattatraya Saratale;Han Seung Shin;Jaya Mary Jacob

  • Potential of microalgae as a sustainable feed ingredient for aquaculture

    Senthil Nagappan;Probir Das;Mohammad AbdulQuadir;Mahmoud Thaher

  • Fermentative hydrogen production from wastewaters: A review and prognosis

    Chiu Yue Lin;Chyi How Lay;Biswarup Sen;Chen Yeon Chu

  • A review on the biosynthesis of metallic nanoparticles (gold and silver) using bio-components of microalgae: Formation mechanism and applications.

    P. Dheeban Shankar;Sutha Shobana;Indira Karuppusamy;Arivalagan Pugazhendhi

  • Lignocellulose biohydrogen: Practical challenges and recent progress

    G. Kumar;P. Bakonyi;S. Periyasamy;S.H. Kim

  • A review on biopolymer production via lignin valorization

    J. Rajesh Banu;S. Kavitha;R. Yukesh Kannah;T. Poornima Devi

  • Biogas Production from Organic Waste: Recent Progress and Perspectives

    M.R. Atelge;M.R. Atelge;David Krisa;Gopalakrishnan Kumar;Cigdem Eskicioglu

  • Unraveling the catalyzing behaviors of different iron species (Fe2+ vs. Fe0) in activating persulfate-based oxidation process with implications to waste activated sludge dewaterability.

    Guangyin Zhen;Xueqin Lu;Lianghu Su;Takuro Kobayashi

  • A review of thermochemical conversion of microalgal biomass for biofuels: chemistry and processes

    Gopalakrishnan Kumar;Gopalakrishnan Kumar;Sutha Shobana;Wei Hsin Chen;Quang Vu Bach

  • Lignocellulosic biomass based biorefinery: A successful platform towards circular bioeconomy

    J. Rajesh Banu;Preethi;S. Kavitha;Vinay Kumar Tyagi

  • A critical review on anaerobic digestion of microalgae and macroalgae and co-digestion of biomass for enhanced methane generation

    Rijuta Ganesh Saratale;Gopalakrishnan Kumar;Rajesh Banu;Ao Xia

  • Electronic waste generation, recycling and resource recovery: Technological perspectives and trends.

    Eldon R. Rene;Manivannan Sethurajan;Vinoth Kumar Ponnusamy;Gopalakrishnan Kumar

  • Wastewater based microalgal biorefinery for bioenergy production: Progress and challenges.

    Shashi Kant Bhatia;Sanjeet Mehariya;Ravi Kant Bhatia;Manu Kumar

  • A critical review on issues and overcoming strategies for the enhancement of dark fermentative hydrogen production in continuous systems

    Periyasamy Sivagurunathan;Gopalakrishnan Kumar;Péter Bakonyi;Sang Hyoun Kim

  • Anaerobic membrane bioreactors for wastewater treatment: novel configurations, fouling control and energy considerations.

    Muhammad Maaz;Muhammad Yasin;Muhammad Aslam;Gopalakrishnan Kumar

Frequent Co-Authors

Sang-Hyoun Kim
Sang-Hyoun Kim Yonsei University
J. Rajesh Banu
J. Rajesh Banu Central University of Tamil Nadu
Arivalagan Pugazhendhi
Arivalagan Pugazhendhi Cape Breton University
Kaiqin Xu
Kaiqin Xu National Institute for Environmental Studies
Guangyin Zhen
Guangyin Zhen East China Normal University
Dinh Duc Nguyen
Dinh Duc Nguyen Kyonggi University
Chiu-Yue Lin
Chiu-Yue Lin Feng Chia University
A.E. Atabani
A.E. Atabani Yuan Ze University
Soon Woong Chang
Soon Woong Chang Kyonggi University
Eldon R. Rene
Eldon R. Rene IHE Delft Institute for Water Education

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