World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
45
Citations
6689
World Ranking
5599
National Ranking
95

K.A. Subramanian 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 K.A. Subramanian 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: 120 publications — 15th percentile

15% of scientists in this discipline score the same or lower.

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

K.A. Subramanian 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 K.A. Subramanian 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: 45 D-Index — 46th percentile

46% of scientists in this discipline score the same or lower.

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

Overview

K.A. Subramanian is affiliated with the Indian Institute of Technology Delhi in India. Their research spans multiple areas within engineering, emphasizing chemical engineering and automotive technologies. The scientist has published extensively in the fields of engineering and chemical engineering, with a focus on fluid flow and transfer processes, automotive engineering, biomedical engineering, computational mechanics, and materials chemistry.

Their main topics of research cover advanced combustion engine technologies, vehicle emissions and performance, biodiesel production and applications, catalytic processes in materials science, combustion and flame dynamics, reinforcement learning in robotics, and fuel cells and related materials.

Among their recent publications are:

  • Outracing champion Gran Turismo drivers with deep reinforcement learning (2022), Nature
  • Experimental investigation on effects of equivalence ratio on combustion with knock, performance, and emission characteristics of dimethyl ether fueled CRDI compression ignition engine under homogeneous charge compression ignition mode (2022), Fuel
  • A novel approach for experimental study and numerical modeling of combustion characteristics of a hydrogen fuelled spark ignition engine (2022), Sustainable Energy Technologies and Assessments
  • Development of online control system for elimination of backfire in a hydrogen fuelled spark ignition engine (2020), International Journal of Hydrogen Energy
  • Effects of different compression ratios and spark timings on performance and emissions of a two-wheeler with 30% ethanol-gasoline blend (E30) (2020), Fuel

K.A. Subramanian frequently publishes in the following venues:

  • International Journal of Automotive Science And Technology
  • International Journal of Hydrogen Energy
  • Process Safety and Environmental Protection
  • arXiv (Cornell University)
  • Fuel

The scientist has collaborated regularly with several coauthors, including:

  • Anilkumar Shere
  • Akshey Marwaha
  • Peter R. Wurman
  • Takuma Seno
  • Nidhi Nidhi

K.A. Subramanian has also contributed to book publications, notably with Springer Nature. One of their books is Recent Advances in Manufacturing and Thermal Engineering, published in 2023.

Best Publications

  • Utilization of liquid biofuels in automotive diesel engines: An Indian perspective

    K.A. Subramanian;S.K. Singal;Mukesh Saxena;Sudhir Singhal

  • A comparison of water–diesel emulsion and timed injection of water into the intake manifold of a diesel engine for simultaneous control of NO and smoke emissions

    K.A. Subramanian

  • Production and characterization of biodiesel from algae

    Piyushi Nautiyal;K.A. Subramanian;M.G. Dastidar

  • Sustainable development of road transportation sector using hydrogen energy system

    B.L. Salvi;K.A. Subramanian

  • Adsorptive removal of dye using biochar derived from residual algae after in-situ transesterification: Alternate use of waste of biodiesel industry

    Piyushi Nautiyal;K.A. Subramanian;M.G. Dastidar

  • Effect of different percentages of biodiesel–diesel blends on injection, spray, combustion, performance, and emission characteristics of a diesel engine

    Subhash Lahane;K.A. Subramanian

  • Alternative fuels for transportation vehicles: A technical review

    B.L. Salvi;B.L. Salvi;K.A. Subramanian;N.L. Panwar

  • A comprehensive review on utilization of hydrogen in a compression ignition engine under dual fuel mode

    Venkateswarlu Chintala;K.A. Subramanian

  • Kinetic and thermodynamic studies on biodiesel production from Spirulina platensis algae biomass using single stage extraction–transesterification process

    Piyushi Nautiyal;K.A. Subramanian;M.G. Dastidar

  • Combustion synthesis and characterization of Sn4+ substituted nanocrystalline NiFe2O4

    S. Balaji;R. Kalai Selvan;L. John Berchmans;S. Angappan

  • Comparative evaluation of emission and fuel economy of an automotive spark ignition vehicle fuelled with methane enriched biogas and CNG using chassis dynamometer

    K.A. Subramanian;Vinaya C. Mathad;V.K. Vijay;P.M.V. Subbarao

  • Impact of nozzle holes configuration on fuel spray, wall impingement and NOx emission of a diesel engine for biodiesel–diesel blend (B20)

    Subhash Lahane;K.A. Subramanian

  • Control of backfire and NOx emission reduction in a hydrogen fueled multi-cylinder spark ignition engine using cooled EGR and water injection strategies

    Vipin Dhyani;K.A. Subramanian

  • Assessment of maximum available work of a hydrogen fueled compression ignition engine using exergy analysis

    Venkateswarlu Chintala;K.A. Subramanian

  • Experimental investigations of effects of hydrogen blended CNG on performance, combustion and emissions characteristics of a biodiesel fueled reactivity controlled compression ignition engine (RCCI)

    Sunmeet Singh Kalsi;K.A. Subramanian

  • Experimental investigation on effects of compression ratio and exhaust gas recirculation on backfire, performance and emission characteristics in a hydrogen fuelled spark ignition engine

    B.L. Salvi;K.A. Subramanian

  • Experimental investigations on effect of different compression ratios on enhancement of maximum hydrogen energy share in a compression ignition engine under dual-fuel mode

    V. Chintala;K.A. Subramanian

  • Emissions and fuel consumption characteristics of a heavy duty diesel engine fueled with Hydroprocessed Renewable Diesel and Biodiesel

    Devendra Singh;Devendra Singh;K.A. Subramanian;S.K. Singal

  • Hydrogen energy share improvement along with NOx (oxides of nitrogen) emission reduction in a hydrogen dual-fuel compression ignition engine using water injection

    V. Chintala;K.A. Subramanian

  • Experimental assessment of performance, combustion and emissions of a compression ignition engine fuelled with Spirulina platensis biodiesel

    Piyushi Nautiyal;Piyushi Nautiyal;K.A. Subramanian;M.G. Dastidar;Ashok Kumar;Ashok Kumar

  • Electrochemical membrane reactor for the reduction of carbondioxide to formate

    K. Subramanian;K. Asokan;D. Jeevarathinam;M. Chandrasekaran

Frequent Co-Authors

Rajasekhar Balasubramanian
Rajasekhar Balasubramanian National University of Singapore
Stephen Albert Johnston
Stephen Albert Johnston Arizona State University
Virendra Kumar Vijay
Virendra Kumar Vijay Indian Institute of Technology Delhi
Rajaram Bal
Rajaram Bal Indian Institute of Petroleum

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