World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
36
Citations
4522
World Ranking
8782
National Ranking
2439

Robert M. Wagner 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 Robert M. Wagner 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: 130 publications — 19th percentile

19% of scientists in this discipline score the same or lower.

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

Robert M. Wagner 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 Robert M. Wagner 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: 36 D-Index — 13th percentile

13% of scientists in this discipline score the same or lower.

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

Overview

Robert M. Wagner is affiliated with Oak Ridge National Laboratory in the United States. Their research spans multiple fields with a primary focus on Medicine, supported by contributions in Neurology, Fluid Flow and Transfer Processes, Automotive Engineering, Biomedical Engineering, and Pharmacology.

The main research topics covered in their work include:

  • Advanced Combustion Engine Technologies
  • Vehicle emissions and performance
  • Biodiesel Production and Applications
  • Botulinum Toxin and Related Neurological Disorders
  • Parkinson's Disease Mechanisms and Treatments
  • Combustion and flame dynamics
  • Cholinesterase and Neurodegenerative Diseases

Robert M. Wagner has contributed to several recent publications, including:

  • Gasoline Compression Ignition on a Light-Duty Multi-Cylinder Engine Using a Wide Range of Fuel Reactivities and Heavy Fuel Stratification, 2021, Journal of Energy Resources Technology
  • Impact of Multimode Range and Location on Urban Fuel Economy on a Light-Duty Spark-Ignition Based Powertrain Using Vehicle System Simulations, 2020, SAE technical papers on CD-ROM/SAE technical paper series
  • Elevated Cholinesterase Activity and the Metabolic Syndrome-Dissecting Fatty Liver, Insulin Resistance and Dysglycaemia, 2025, Liver International
  • Pflanzenkohle zur klimafreundlichen Kompostierung von Festmist und Grünschnitt - Ergebnisse aus dem CarboTIP Projekt, 2020, Müll und Abfall
  • Einfluss von Pflanzenkohle auf die Cadmiumverfügbarkeit in Kleingartenböden, 2020, Altlasten-Spektrum

Their frequent co-authors include:

  • Michael Roden
  • Martin Heni
  • Scott Curran
  • Louise Fritsche
  • Jürgen Machann

Robert M. Wagner's work frequently appears in the following publication venues:

  • Diabetologie und Stoffwechsel
  • Müll und Abfall
  • Journal of Energy Resources Technology
  • SAE technical papers on CD-ROM/SAE technical paper series
  • Liver International

Best Publications

  • IJER editorial: The future of the internal combustion engine:

    R D Reitz;H Ogawa;R Payri;T Fansler

  • In-Cylinder Fuel Blending of Gasoline/Diesel for Improved Efficiency and Lowest Possible Emissions on a Multi-Cylinder Light-Duty Diesel Engine

    Scott Curran;Vitaly Y Prikhodko;KukWon Cho;C. Scott Sluder

  • Emission Characteristics of a Diesel Engine Operating with In-Cylinder Gasoline and Diesel Fuel Blending

    Vitaly Y Prikhodko;Scott Curran;Teresa L Barone;Samuel Arthur Lewis Sr

  • Piston Bowl Optimization for RCCI Combustion in a Light-Duty Multi-Cylinder Engine

    Reed Hanson;Scott Curran;Robert Wagner;Sage Kokjohn

  • Investigation of Knock Limited Compression Ratio of Ethanol Gasoline Blends

    James Szybist;Matthew Foster;Wayne R. Moore;Keith Confer

  • Efficiency and Emissions Mapping of RCCI in a Light-Duty Diesel Engine

    Scott Curran;Reed Hanson;Robert Wagner;Rolf D. Reitz

  • Simultaneous Low Engine-Out NOx and Particulate Matter with Highly Diluted Diesel Combustion

    Robert M. Wagner;Johney B. Green;Thang Q. Dam;K. Dean Edwards

  • A perspective on the range of gasoline compression ignition combustion strategies for high engine efficiency and low NOx and soot emissions: Effects of in-cylinder fuel stratification*:

    Adam B Dempsey;Scott J Curran;Robert M Wagner

  • Well-to-wheel analysis of direct and indirect use of natural gas in passenger vehicles

    Scott Curran;Robert M Wagner;Ronald L Graves;Martin Keller

  • Reactivity controlled compression ignition combustion on a multi-cylinder light-duty diesel engine

    Scott J Curran;Reed M Hanson;Robert M Wagner

  • Effect of E85 on RCCI Performance and Emissions on a Multi-Cylinder Light-Duty Diesel Engine

    Scott Curran;Reed Hanson;Robert Wagner

  • Understanding the transition between conventional spark-ignited combustion and HCCI in a gasoline engine

    C. Stuart Daw;Robert M. Wagner;K. Dean Edwards;Johney B. Green

  • On the Nature of Cyclic Dispersion in Spark Assisted HCCI Combustion

    Robert M Wagner;K Dean Edwards;C Stuart Daw;Johney Boyd Green Jr

  • Invited Review: A review of deterministic effects in cyclic variability of internal combustion engines

    Charles Ea Finney;Brian C Kaul;C Stuart Daw;Robert M Wagner

  • Analysis of cyclic variability in spark-assisted HCCI combustion using a double Wiebe function

    William J. Glewen;Robert M. Wagner;K. Dean Edwards;C. Stuart Daw

  • Effects of Biofuel Blends on RCCI Combustion in a Light-Duty, Multi-Cylinder Diesel Engine

    Reed Hanson;Scott Curran;Robert Wagner;Rolf D. Reitz

  • Characterization of lean combustion instability in premixed charge spark ignition engines

    R M Wagner;J A Drallmeier;C S Daw

  • Characteristics of cyclic heat release variability in the transition from spark ignition to HCCI in a gasoline engine

    A.K. Sen;G. Litak;K.D. Edwards;C.E.A. Finney

  • Exhaust chemistry of low-NOx, low-PM diesel combustion

    C. Scott Sluder;Robert M. Wagner;Samuel A. Lewis;John M. E. Storey

  • Experimental Evaluation of SI Engine Operation Supplemented by Hydrogen Rich Gas from a Compact Plasma Boosted Reformer

    J. B. Green;N. Domingo;J. M. E. Storey;R. M. Wagner

  • A Historical Analysis of the Co-evolution of Gasoline Octane Number and Spark-Ignition Engines

    Derek A. Splitter;Alex E. Pawlowski;Alex E. Pawlowski;Robert M. Wagner

Frequent Co-Authors

C. Stuart Daw
C. Stuart Daw Oak Ridge National Laboratory
Rolf D. Reitz
Rolf D. Reitz University of Wisconsin–Madison
Derek A. Splitter
Derek A. Splitter Oak Ridge National Laboratory
Grzegorz Litak
Grzegorz Litak Lublin University of Technology
Sage L. Kokjohn
Sage L. Kokjohn University of Wisconsin–Madison
Burak Ozpineci
Burak Ozpineci Oak Ridge National Laboratory
Robert L. McCormick
Robert L. McCormick National Renewable Energy Laboratory
Claus Daniel
Claus Daniel Oak Ridge National Laboratory
Michael P. Brady
Michael P. Brady Oak Ridge National Laboratory
Harry M. Meyer
Harry M. Meyer Oak Ridge National Laboratory

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