World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
41
Citations
8907
World Ranking
6846
National Ranking
165

Octavio Armas 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 Octavio Armas 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: 111 publications — 12th percentile

12% of scientists in this discipline score the same or lower.

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

Octavio Armas 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 Octavio Armas 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: 41 D-Index — 31st percentile

31% of scientists in this discipline score the same or lower.

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

Overview

Octavio Armas is affiliated with the University of Castilla-La Mancha in Spain and has a research profile centered primarily in the fields of Engineering and Chemical Engineering. This work extends into subfields including Fluid Flow and Transfer Processes, Automotive Engineering, Materials Chemistry, Biomedical Engineering, and Electrical and Electronic Engineering.

Their research covers a range of main topics, including:

  • Advanced Combustion Engine Technologies
  • Vehicle emissions and performance
  • Biodiesel Production and Applications
  • Advanced Thermoelectric Materials and Devices
  • Thermal Radiation and Cooling Technologies
  • Combustion and flame dynamics
  • Energy Harvesting in Wireless Networks

Octavio Armas has collaborated frequently with several researchers, including José A. Soriano, Pablo Fernández-Yáñez, Reyes García-Contreras, Luis Sánchez Rodríguez, and Carmen Mata.

The scientist has published research in several recurring academic venues, with notable frequency in:

  • Fuel
  • Energies
  • SSRN Electronic Journal
  • VideoGIE
  • Applied Sciences

Among recent publications, the following papers illustrate some of the key research contributions:

  • Thermal management of thermoelectric generators for waste energy recovery, 2021, Applied Thermal Engineering
  • Impact of regulated pollutant emissions of Euro 6d-Temp light-duty diesel vehicles under real driving conditions, 2020, Journal of Cleaner Production
  • Global energy balance in a diesel engine with a thermoelectric generator, 2020, Applied Energy
  • Comparison of real driving emissions from Euro VI buses with diesel and compressed natural gas fuels, 2020, Fuel
  • Citizen science initiative points at childhood BCG vaccination as a risk factor for COVID-19, 2021, Transboundary and Emerging Diseases

Best Publications

  • Effect of biodiesel fuels on diesel engine emissions

    Magín Lapuerta;Octavio Armas;José Rodríguez-Fernández

  • Emissions from a diesel–bioethanol blend in an automotive diesel engine

    Magín Lapuerta;Octavio Armas;José M. Herreros

  • Characterization of light duty Diesel engine pollutant emissions using water-emulsified fuel

    O. Armas;R. Ballesteros;F.J. Martos;J.R. Agudelo

  • Diesel emissions from biofuels derived from Spanish potential vegetable oils

    Magín Lapuerta;Octavio Armas;Rosario Ballesteros;Jesús Fernández

  • Diagnosis of DI Diesel combustion from in-cylinder pressure signal by estimation of mean thermodynamic properties of the gas

    M. Lapuerta;O. Armas;J.J. Hernández

  • Stability of diesel-bioethanol blends for use in diesel engines

    Magín Lapuerta;Octavio Armas;Reyes García-Contreras

  • Impact of fuel formulation on the nanostructure and reactivity of diesel soot

    Kuen Yehliu;Randy L. Vander Wal;Octavio Armas;André L. Boehman

  • Effect of alternative fuels on exhaust emissions during diesel engine operation with matched combustion phasing

    Octavio Armas;Kuen Yehliu;André L. Boehman

  • Effect of Ethanol on Blending Stability and Diesel Engine Emissions

    Magín Lapuerta;Octavio Armas;Reyes García-Contreras

  • Influence of measurement errors and estimated parameters on combustion diagnosis

    F. Payri;S. Molina;J. Martín;O. Armas

  • Emissions from different alternative diesel fuels operating with single and split fuel injection

    Kuen Yehliu;André L. Boehman;Octavio Armas

  • Reduction of diesel smoke opacity from vegetable oil methyl esters during transient operation

    Octavio Armas;Juan J. Hernández;María D. Cárdenas

  • Impact of engine operating modes and combustion phasing on the reactivity of diesel soot

    Kuen Yehliu;Octavio Armas;Randy L. Vander Wal;André L. Boehman

  • Correlation for the estimation of the density of fatty acid esters fuels and its implications. A proposed Biodiesel Cetane Index.

    Magín Lapuerta;José Rodríguez-Fernández;Octavio Armas

  • Pollutant emissions from engine starting with ethanol and butanol diesel blends

    Octavio Armas;Reyes García-Contreras;Ángel Ramos

  • Thermal management of thermoelectric generators for waste energy recovery

    P. Fernández-Yáñez;V. Romero;O. Armas;G. Cerretti

  • Diesel Particle Size Distribution Estimation from Digital Image Analysis

    Magín Lapuerta;Octavio Armas;Arántzazu Gómez

  • Thermal analysis of a thermoelectric generator for light-duty diesel engines

    Pablo Fernández-Yañez;Octavio Armas;Azael Capetillo;Simón Martínez-Martínez

  • Potential for reducing emissions in a diesel engine by fuelling with conventional biodiesel and Fischer–Tropsch diesel

    Magín Lapuerta;Octavio Armas;Juan José Hernández;Athanasios Tsolakis

  • Diesel Particulate Emissions from Biofuels Derived from Spanish Vegetable Oils

    Magín Lapuerta;Octavio Armas;Rosario Ballesteros

  • Sensitivity of diesel engine thermodynamic cycle calculation to measurement errors and estimated parameters

    M. Lapuerta;O. Armas;V. Bermúdez

Frequent Co-Authors

Magín Lapuerta
Magín Lapuerta University of Castilla-La Mancha
André L. Boehman
André L. Boehman University of Michigan–Ann Arbor
José de la Fuente
José de la Fuente University of Castilla-La Mancha
Jose Martin Herreros
Jose Martin Herreros University of Birmingham
Tomás García
Tomás García Spanish National Research Council
Christian Gortázar
Christian Gortázar University of Castilla-La Mancha
Ramón Murillo
Ramón Murillo Spanish National Research Council
Randy L. Vander Wal
Randy L. Vander Wal Pennsylvania State University
Francisco Payri
Francisco Payri Universitat Politècnica de València
M.P. Dorado
M.P. Dorado University of Córdoba

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