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D-Index & Metrics

Engineering and Technology

D-Index
46
Citations
8705
World Ranking
5134
National Ranking
46

Dimitrios T. Hountalas 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 Dimitrios T. Hountalas 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: 141 publications — 23rd percentile

23% of scientists in this discipline score the same or lower.

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

Dimitrios T. Hountalas 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 Dimitrios T. Hountalas 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: 46 D-Index — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Overview

Dimitrios T. Hountalas is affiliated with the National Technical University of Athens in Greece. Their research spans several areas within engineering, with a primary focus on topics related to emissions, performance, and efficiency in automotive and maritime transport sectors.

The main fields of study covered by Dimitrios T. Hountalas include:

  • Engineering

Their research delves into multiple subfields, notably:

  • Biomedical Engineering
  • Automotive Engineering
  • Mechanical Engineering
  • Environmental Engineering
  • Fluid Flow and Transfer Processes

The topics frequently addressed in their publications involve:

  • Vehicle emissions and performance
  • Biodiesel Production and Applications
  • Maritime Transport Emissions and Efficiency
  • Thermodynamic and Exergetic Analyses of Power and Cooling Systems
  • Refrigeration and Air Conditioning Technologies
  • Phase Equilibria and Thermodynamics
  • Advanced Combustion Engine Technologies

Among their recent scholarly papers are:

  • "Review of Biofuel Effect on Emissions of Various Types of Marine Propulsion and Auxiliary Engines," 2023, published in Energies
  • "Comparative Assessment of the Impact of Water Addition either to the Intake Air or in Diesel Emulsion on the Performance and Emissions of a HDDI Diesel Engine," 2020, published in Journal of Energy Engineering
  • "Design of Container Ship Main Engine Waste Heat Recovery Supercritical CO2 Cycles, Optimum Cycle Selection through Thermo-Economic Optimization with Genetic Algorithm and Its Exergo-Economic and Exergo-Environmental Analysis," 2022, published in Energies

Dimitrios T. Hountalas frequently collaborates with the following researchers:

  • Theodoros C. Zannis
  • Efthimios G. Pariotis
  • Theofanis Chountalas
  • Maria A. Founti
  • Athanasios G. Vallis

The primary publication venues for Dimitrios's work include:

  • Energies
  • Journal of Energy Engineering

Best Publications

  • Comparative performance and emissions study of a direct injection Diesel engine using blends of Diesel fuel with vegetable oils or bio-diesels of various origins

    C.D. Rakopoulos;K.A. Antonopoulos;D.C. Rakopoulos;D.T. Hountalas

  • Combustion and exhaust emission characteristics of a dual fuel compression ignition engine operated with pilot Diesel fuel and natural gas

    R.G Papagiannakis;D.T Hountalas

  • Emission characteristics of high speed, dual fuel, compression ignition engine operating in a wide range of natural gas/diesel fuel proportions

    R.G. Papagiannakis;C.D. Rakopoulos;D.T. Hountalas;D.C. Rakopoulos

  • Experimental investigation concerning the effect of natural gas percentage on performance and emissions of a DI dual fuel diesel engine

    R.G Papagiannakis;D.T Hountalas

  • Investigation of the performance and emissions of bus engine operating on butanol/diesel fuel blends

    D.C. Rakopoulos;C.D. Rakopoulos;D.T. Hountalas;E.C. Kakaras

  • Performance and emissions of bus engine using blends of diesel fuel with bio-diesel of sunflower or cottonseed oils derived from Greek feedstock

    C.D. Rakopoulos;D.C. Rakopoulos;D.T. Hountalas;E.G. Giakoumis

  • Effect of exhaust gas recirculation (EGR) temperature for various EGR rates on heavy duty DI diesel engine performance and emissions

    D.T. Hountalas;G.C. Mavropoulos;K.B. Binder

  • Application of a multi-zone combustion model to investigate the NOx reduction potential of two-stroke marine diesel engines using EGR

    Spiridon I. Raptotasios;Nikolaos F. Sakellaridis;Roussos G. Papagiannakis;Dimitrios T. Hountalas

  • Theoretical study of the effects of pilot fuel quantity and its injection timing on the performance and emissions of a dual fuel diesel engine

    R.G. Papagiannakis;D.T. Hountalas;C.D. Rakopoulos

  • Multi-zone modeling of combustion and emissions formation in DI diesel engine operating on ethanol–diesel fuel blends

    C.D. Rakopoulos;K.A. Antonopoulos;D.C. Rakopoulos;D.T. Hountalas

  • Operational and Environmental Evaluation of Diesel Engines Burning Oxygen-Enriched Intake Air or Oxygen-Enriched Fuels: A Review

    C. D. Rakopoulos;D. T. Hountalas;T. C. Zannis;Y. A. Levendis

  • Thermodynamic analysis of a Rankine cycle applied on a diesel truck engine using steam and organic medium

    C.O. Katsanos;D.T. Hountalas;E.G. Pariotis

  • DEVELOPMENT AND VALIDATION OF A 3-D MULTI-ZONE COMBUSTION MODEL FOR THE PREDICTION OF DI DIESEL ENGINES PERFORMANCE AND POLLUTANTS EMISSIONS

    C. D. Rakopoulos;D. T. Hountalas

  • A general purpose diagnostic technique for marine diesel engines – Application on the main propulsion and auxiliary diesel units of a marine vessel

    V.T. Lamaris;D.T. Hountalas

  • Prediction of marine diesel engine performance under fault conditions

    Dimitrios T Hountalas

  • Multi-Zone Combustion Modelling for the Prediction of Pollutants Emissions and Performance of DI Diesel Engines

    D. A. Kouremenos;C. D. Rakopoulos;D. T. Hountalas

  • Thermodynamic analysis of indirect injection diesel engines by two-zone modeling of combustion

    D. A. Kouremenos;C. D. Rakopoulos;D. Hountalas

  • Use of Water Emulsion and Intake Water Injection as NOx Reduction Techniques for Heavy Duty Diesel Engines

    D. T. Hountalas;G. C. Mavropoulos;T. C. Zannis;S. D. Mamalis

  • A fast algorithm for calculating the composition of diesel combustion products using 11 species chemical equilibrium scheme

    C.D. Rakopoulos;D.T. Hountalas;E.I. Tzanos;G.N. Taklis

  • Recovering Energy from the Diesel Engine Exhaust Using Mechanical and Electrical Turbocompounding

    D.T. Hountalas;C.O. Katsanos;V.T. Lamaris

Frequent Co-Authors

Constantine D. Rakopoulos
Constantine D. Rakopoulos National Technical University of Athens
Dimitrios C. Rakopoulos
Dimitrios C. Rakopoulos National Technical University of Athens
Evangelos G. Giakoumis
Evangelos G. Giakoumis National Technical University of Athens
Yiannis A. Levendis
Yiannis A. Levendis Northeastern University
Jesús Benajes
Jesús Benajes Universitat Politècnica de València

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