World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
32
Citations
3769
World Ranking
9599
National Ranking
2725

Ajay Shah 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 Ajay Shah 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: 68 publications — 2nd percentile

2% of scientists in this discipline score the same or lower.

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

Ajay Shah 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 Ajay Shah 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: 32 D-Index — 3rd percentile

3% of scientists in this discipline score the same or lower.

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

Overview

Ajay Shah is affiliated with The Ohio State University in the United States and has an academic focus primarily within the field of Engineering. Their research spans several subfields including Biomedical Engineering, Industrial and Manufacturing Engineering, Building and Construction, Water Science and Technology, and Molecular Biology.

The scientist's research addresses various topics related to biomass and biofuel production as well as nutrient management and bioengineering. Main areas of study include:

  • Biofuel production and bioconversion
  • Thermochemical Biomass Conversion Processes
  • Anaerobic Digestion and Biogas Production
  • Catalysis for Biomass Conversion
  • Biodiesel Production and Applications
  • Phosphorus and nutrient management
  • Microbial Metabolic Engineering and Bioproduction

Frequent publication venues reflect a focus on sustainability, biofuels, and chemical processes, with common venues including:

  • Biofuels Bioproducts and Biorefining
  • Sustainability
  • Journal of Cleaner Production
  • Fermentation
  • Renewable and Sustainable Energy Reviews

Among the recent papers authored or coauthored by Ajay Shah are:

  • Techno-economic analysis of an integrated biorefinery strategy based on one-pot biomass fractionation and furfural production, 2020, Journal of Cleaner Production
  • Phosphorus adsorption behaviors of MgO modified biochars derived from waste woody biomass resources, 2020, Journal of Environmental Chemical Engineering
  • Biomass as source for hydrochar and biochar production to recover phosphates from wastewater: A review on challenges, commercialization, and future perspectives, 2021, Chemosphere
  • Techno-Economic Analysis of Bio-Based Lactic Acid Production Utilizing Corn Grain as Feedstock, 2020, Processes
  • Techno-economic impacts of using a laser-guided variable-rate spraying system to retrofit conventional constant-rate sprayers, 2020, Precision Agriculture

Collaborative work is a significant aspect of their research, with frequent coauthors including:

  • Ashish Manandhar
  • Sami Khanal
  • Seyed Hashem Mousavi-Avval
  • Asmita Khanal
  • Jaden Tatum

Their work encompasses experimental and techno-economic analyses within bio-based production systems and environmental engineering applications, contributing to research on biomass conversion techniques and nutrient recovery technologies.

Best Publications

  • Effects of torrefaction process parameters on biomass feedstock upgrading

    D. Medic;M. Darr;A. Shah;B. Potter

  • Effect of Torrefaction Process Parameters on Biomass Feedstock Upgrading

    Dorde Medic;Matthew J. Darr;Benjamin Potter;Ajay Shah

  • Anaerobic digestion for bioenergy production: Global status, environmental and techno-economic implications, and government policies.

    Juliana Vasco-Correa;Sami Khanal;Ashish Manandhar;Ajay Shah

  • Comparative techno-economic analysis of steam explosion, dilute sulfuric acid, ammonia fiber explosion and biological pretreatments of corn stover.

    Nawa Raj Baral;Ajay Shah

  • Techno-Economic Analysis of Cellulosic Butanol Production from Corn Stover through Acetone–Butanol–Ethanol Fermentation

    Nawa Raj Baral;Nawa Raj Baral;Ajay Shah

  • Performance and emissions of a spark-ignited engine driven generator on biomass based syngas.

    Ajay Shah;Radhakrishnan Srinivasan;Suminto D. Filip To;Eugene P. Columbus

  • Techno-economic analysis of an integrated biorefinery strategy based on one-pot biomass fractionation and furfural production

    Guiyan Zang;Guiyan Zang;Ajay Shah;Caixia Wan

  • Techno-economic analysis of cellulose dissolving ionic liquid pretreatment of lignocellulosic biomass for fermentable sugars production: Process Modelling and Techno-Economic Analysis: IL Pretreatment of Lignocellulosic Biomass

    Nawa Raj Baral;Nawa Raj Baral;Ajay Shah

  • Biomass as source for hydrochar and biochar production to recover phosphates from wastewater: A review on challenges, commercialization, and future perspectives

    Sivaprasad Shyam;Jayaseelan Arun;Kannappan Panchamoorthy Gopinath;Gautam Ribhu

  • Reactor performance and energy analysis of solid state anaerobic co-digestion of dairy manure with corn stover and tomato residues.

    Yangyang Li;Fuqing Xu;Yu Li;Jiaxin Lu

  • Life cycle assessment of integrated solid state anaerobic digestion and composting for on-farm organic residues treatment.

    Yangyang Li;Ashish Manandhar;Guoxue Li;Ajay Shah

  • Techno-Economic Bottlenecks of the Fungal Pretreatment of Lignocellulosic Biomass

    Juliana Vasco-Correa;Ajay Shah

  • The Effects of Particle Size, Different Corn Stover Components, and Gas Residence Time on Torrefaction of Corn Stover

    Dorde Medic;Matthew J. Darr;Ajay Shah;Sarah J. Rahn

  • Biomass storage: an update on industrial solutions for baled biomass feedstocks

    Matthew J Darr;Ajay Shah

  • Effect of Torrefaction on Water Vapor Adsorption Properties and Resistance to Microbial Degradation of Corn Stover

    Dorde Medic;Matthew J. Darr;Ajay Shah;Sarah Jane Rahn

  • Techno-economic analysis of cellulose dissolving ionic liquid pretreatment of lignocellulosic biomass for fermentable sugars production.

    Nawa Raj Baral;Nawa Raj Baral;Ajay Shah

  • Physicochemical properties of bio-oil and biochar produced by fast pyrolysis of stored single-pass corn stover and cobs

    Ajay Shah;Matthew J. Darr;Dustin Dalluge;Dorde Medic

  • Techno-Economic Analysis of Bio-Based Lactic Acid Production Utilizing Corn Grain as Feedstock

    Ashish Manandhar;Ajay Shah

  • Sequestration of Cu(II) and Ni(II) from wastewater by synthesized zeolitic materials: Equilibrium, kinetics and column dynamics

    Bhavna A. Shah;Chirag B. Mistry;Ajay V. Shah

  • Combined application of Life Cycle Assessment and Adaptive Neuro-Fuzzy Inference System for modeling energy and environmental emissions of oilseed production

    Seyed Hashem Mousavi-Avval;Shahin Rafiee;Mohammad Sharifi;Soleiman Hosseinpour

  • Techno-economic impacts of using a laser-guided variable-rate spraying system to retrofit conventional constant-rate sprayers

    Ashish Manandhar;Heping Zhu;Erdal Ozkan;Ajay Shah

  • Techno-economic analysis of a production-scale torrefaction system for cellulosic biomass upgrading

    Ajay Shah;Matthew J. Darr;Dorde Medic;Robert P. Anex

Frequent Co-Authors

Yebo Li
Yebo Li The Ohio State University
Guoxue Li
Guoxue Li China Agricultural University
Guoying Wang
Guoying Wang China Agricultural University
Robert C. Brown
Robert C. Brown Iowa State University
Shahin Rafiee
Shahin Rafiee University of Tehran
Long Lin
Long Lin Georgia Institute of Technology
Samir Kumar Khanal
Samir Kumar Khanal University of Hawaii at Manoa
Rattan Lal
Rattan Lal The Ohio State University
Erich Grotewold
Erich Grotewold Michigan State University
Katrina Cornish
Katrina Cornish The Ohio State University

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