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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Mechanical and Aerospace Engineering 34 2873 2696 17 17 99 4393

George Kosmadakis publications per year

The chart shows the history of publications by George Kosmadakis between 2009 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. George Kosmadakis published across 17 years, from 2009 to 2025, averaging 6.4 papers a year. Output peaked at 12 publications in 2016. 13 of the 109 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 2009 to 2025. Vertical axis: number of publications, 0 to 12. Peak 12 publications in 2016. 2009: 6 publications 2010: 5 publications 2011: 4 publications 2012: 2 publications 2013: 3 publications 2014: 3 publications 2015: 3 publications 2016: 12 publications 2017: 5 publications 2018: 4 publications 2019: 12 publications 2020: 3 publications 2021: 12 publications 2022: 11 publications 2023: 11 publications 2024: 9 publications 2025: 4 publications
2009 2025

109 publications in total across all disciplines

View publications per year as a table
George Kosmadakis: publications per year, 2009 to 2025
Year Publications
2009 6
2010 5
2011 4
2012 2
2013 3
2014 3
2015 3
2016 12
2017 5
2018 4
2019 12
2020 3
2021 12
2022 11
2023 11
2024 9
2025 4
Total 109
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George Kosmadakis publication distribution in Mechanical and Aerospace Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mechanical and Aerospace Engineering in 2026. The highlighted bar marks where George Kosmadakis sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 63 bars. Horizontal axis: publications, 47–56 to 659+. Vertical axis: number of scientists, 0 to 155. Most scientists, 155, have 147–156 publications. The last bar groups every scientist with 659 publications or more. The highlighted bar, 97–106 publications, is where this scientist sits. 47–56 publications: 10 scientists 57–66 publications: 23 scientists 67–76 publications: 32 scientists 77–86 publications: 62 scientists 87–96 publications: 67 scientists 97–106 publications: 91 scientists 107–116 publications: 113 scientists 117–126 publications: 115 scientists 127–136 publications: 130 scientists 137–146 publications: 140 scientists 147–156 publications: 155 scientists 157–166 publications: 132 scientists 167–176 publications: 133 scientists 177–186 publications: 130 scientists 187–196 publications: 140 scientists 197–206 publications: 115 scientists 207–216 publications: 125 scientists 217–226 publications: 117 scientists 227–236 publications: 99 scientists 237–246 publications: 92 scientists 247–256 publications: 100 scientists 257–266 publications: 95 scientists 267–276 publications: 88 scientists 277–286 publications: 77 scientists 287–296 publications: 74 scientists 297–306 publications: 74 scientists 307–316 publications: 62 scientists 317–326 publications: 70 scientists 327–336 publications: 59 scientists 337–346 publications: 58 scientists 347–356 publications: 45 scientists 357–366 publications: 44 scientists 367–376 publications: 36 scientists 377–386 publications: 41 scientists 387–396 publications: 32 scientists 397–406 publications: 23 scientists 407–416 publications: 28 scientists 417–426 publications: 27 scientists 427–436 publications: 25 scientists 437–446 publications: 23 scientists 447–456 publications: 23 scientists 457–466 publications: 20 scientists 467–476 publications: 12 scientists 477–486 publications: 24 scientists 487–496 publications: 18 scientists 497–506 publications: 12 scientists 507–516 publications: 13 scientists 517–526 publications: 21 scientists 527–536 publications: 12 scientists 537–546 publications: 8 scientists 547–556 publications: 16 scientists 557–566 publications: 3 scientists 567–576 publications: 11 scientists 577–586 publications: 6 scientists 587–596 publications: 5 scientists 597–606 publications: 6 scientists 607–616 publications: 7 scientists 617–626 publications: 7 scientists 627–636 publications: 10 scientists 637–646 publications: 4 scientists 647–656 publications: 3 scientists 657–658 publications: 2 scientists 659+ publications: 100 scientists
47–56 publications 659+

This scientist: 99 publications — 6th percentile

6% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 659 publications or more.

View publications distribution as a table
Number of Mechanical and Aerospace Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 3,445 ranked scientists.
Publications Scientists This scientist
47–56 10
57–66 23
67–76 32
77–86 62
87–96 67
97–106 91 99
107–116 113
117–126 115
127–136 130
137–146 140
147–156 155
157–166 132
167–176 133
177–186 130
187–196 140
197–206 115
207–216 125
217–226 117
227–236 99
237–246 92
247–256 100
257–266 95
267–276 88
277–286 77
287–296 74
297–306 74
307–316 62
317–326 70
327–336 59
337–346 58
347–356 45
357–366 44
367–376 36
377–386 41
387–396 32
397–406 23
407–416 28
417–426 27
427–436 25
437–446 23
447–456 23
457–466 20
467–476 12
477–486 24
487–496 18
497–506 12
507–516 13
517–526 21
527–536 12
537–546 8
547–556 16
557–566 3
567–576 11
577–586 6
587–596 5
597–606 6
607–616 7
617–626 7
627–636 10
637–646 4
647–656 3
657–658 2
659+ 100
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George Kosmadakis D-index placement in Mechanical and Aerospace Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where George Kosmadakis sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 64 bars. Horizontal axis: D-Index, 30 to 93+. Vertical axis: number of scientists, 0 to 189. Most scientists, 189, have 34 D-Index. The last bar groups every scientist with 93 D-Index or more. The highlighted bar, 34 D-Index, is where this scientist sits. 30 D-Index: 83 scientists 31 D-Index: 113 scientists 32 D-Index: 144 scientists 33 D-Index: 153 scientists 34 D-Index: 189 scientists 35 D-Index: 158 scientists 36 D-Index: 139 scientists 37 D-Index: 127 scientists 38 D-Index: 130 scientists 39 D-Index: 126 scientists 40 D-Index: 104 scientists 41 D-Index: 100 scientists 42 D-Index: 107 scientists 43 D-Index: 101 scientists 44 D-Index: 103 scientists 45 D-Index: 79 scientists 46 D-Index: 88 scientists 47 D-Index: 70 scientists 48 D-Index: 83 scientists 49 D-Index: 44 scientists 50 D-Index: 64 scientists 51 D-Index: 56 scientists 52 D-Index: 50 scientists 53 D-Index: 48 scientists 54 D-Index: 58 scientists 55 D-Index: 52 scientists 56 D-Index: 48 scientists 57 D-Index: 42 scientists 58 D-Index: 34 scientists 59 D-Index: 42 scientists 60 D-Index: 37 scientists 61 D-Index: 42 scientists 62 D-Index: 44 scientists 63 D-Index: 22 scientists 64 D-Index: 33 scientists 65 D-Index: 29 scientists 66 D-Index: 23 scientists 67 D-Index: 29 scientists 68 D-Index: 24 scientists 69 D-Index: 19 scientists 70 D-Index: 34 scientists 71 D-Index: 26 scientists 72 D-Index: 19 scientists 73 D-Index: 18 scientists 74 D-Index: 19 scientists 75 D-Index: 14 scientists 76 D-Index: 19 scientists 77 D-Index: 8 scientists 78 D-Index: 18 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 17 scientists 82 D-Index: 11 scientists 83 D-Index: 16 scientists 84 D-Index: 7 scientists 85 D-Index: 9 scientists 86 D-Index: 8 scientists 87 D-Index: 6 scientists 88 D-Index: 6 scientists 89 D-Index: 7 scientists 90 D-Index: 10 scientists 91 D-Index: 4 scientists 92 D-Index: 4 scientists 93+ D-Index: 100 scientists
30 D-Index 93+

This scientist: 34 D-Index — 20th percentile

20% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 93 D-Index or more.

View D-Index distribution as a table
Number of Mechanical and Aerospace Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 3,445 ranked scientists.
D-Index Scientists This scientist
30 83
31 113
32 144
33 153
34 189 34
35 158
36 139
37 127
38 130
39 126
40 104
41 100
42 107
43 101
44 103
45 79
46 88
47 70
48 83
49 44
50 64
51 56
52 50
53 48
54 58
55 52
56 48
57 42
58 34
59 42
60 37
61 42
62 44
63 22
64 33
65 29
66 23
67 29
68 24
69 19
70 34
71 26
72 19
73 18
74 19
75 14
76 19
77 8
78 18
79 16
80 12
81 17
82 11
83 16
84 7
85 9
86 8
87 6
88 6
89 7
90 10
91 4
92 4
93+ 100
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Overview

George Kosmadakis is affiliated with the National Technical University of Athens in Greece. Their research primarily spans the field of Engineering, with significant contributions in several subfields including Mechanical Engineering, Renewable Energy, Sustainability and the Environment, Fluid Flow and Transfer Processes, Computational Mechanics, and Automotive Engineering.

The scientist's main research topics include:

  • Thermodynamic and Exergetic Analyses of Power and Cooling Systems
  • Refrigeration and Air Conditioning Technologies
  • Advanced Combustion Engine Technologies
  • Advanced Thermodynamic Systems and Engines
  • Solar Thermal and Photovoltaic Systems
  • Combustion and flame dynamics
  • Vehicle emissions and performance

George Kosmadakis has published extensively, with many papers in venues such as Energy and the International Journal of Hydrogen Energy. Frequent publication venues for the scientist also include Zenodo (CERN European Organization for Nuclear Research), Open Research Europe, and Applied Thermal Engineering.

Among recent papers authored or coauthored by George Kosmadakis are:

  • "Techno-economic analysis of high-temperature heat pumps with low-global warming potential refrigerants for upgrading waste heat up to 150 °C" (2020), Energy Conversion and Management
  • "Reversible high-temperature heat pump/ORC for waste heat recovery in various ships: A techno-economic assessment" (2022), Energy
  • "Investigating the performance and cost effects of nanorefrigerants in a low-temperature ORC unit for waste heat recovery" (2020), Energy
  • "Assessing the cyclic-variability of spark-ignition engine running on methane-hydrogen blends with high hydrogen contents of up to 50%" (2021), International Journal of Hydrogen Energy

The scientist has frequently collaborated with colleagues such as George Meramveliotakis, Sotiriοs Karellas, Dimitrios Rakopoulos, C.D. Rakopoulos, and Marika Pilou. These collaborations reflect a network of research activity primarily focused in energy systems and engine technologies.

Best Publications

  • Industrial waste heat: Estimation of the technically available resource in the EU per industrial sector, temperature level and country

    Michael Papapetrou;George Kosmadakis;Andrea Cipollina;Umberto La Commare

  • On site experimental evaluation of a low-temperature solar organic Rankine cycle system for RO desalination

    D. Manolakos;G. Kosmadakis;S. Kyritsis;G. Papadakis

  • Critical evaluation of current heat transfer models used in CFD in-cylinder engine simulations and establishment of a comprehensive wall-function formulation

    C.D. Rakopoulos;G.M. Kosmadakis;E.G. Pariotis

  • Estimating the potential of industrial (high-temperature) heat pumps for exploiting waste heat in EU industries

    George Kosmadakis

  • Simulation and economic analysis of a CPV/thermal system coupled with an organic Rankine cycle for increased power generation

    G. Kosmadakis;D. Manolakos;G. Papadakis

  • Economic assessment of a two-stage solar organic Rankine cycle for reverse osmosis desalination

    G. Kosmadakis;D. Manolakos;S. Kyritsis;G. Papadakis

  • Identification of behaviour and evaluation of performance of small scale, low-temperature Organic Rankine Cycle system coupled with a RO desalination unit

    D. Manolakos;G. Kosmadakis;S. Kyritsis;G. Papadakis

  • Techno-economic analysis of high-temperature heat pumps with low-global warming potential refrigerants for upgrading waste heat up to 150 °C

    George Kosmadakis;Cordin Arpagaus;Panagiotis Neofytou;Stefan Bertsch

  • Experimental comparative assessment of butanol or ethanol diesel-fuel extenders impact on combustion features, cyclic irregularity, and regulated emissions balance in heavy-duty diesel engine

    Constantine D. Rakopoulos;Dimitrios C. Rakopoulos;George M. Kosmadakis;Roussos G. Papagiannakis

  • Investigating the EGR rate and temperature impact on diesel engine combustion and emissions under various injection timings and loads by comprehensive two-zone modeling

    Constantine D. Rakopoulos;Dimitrios C. Rakopoulos;George C. Mavropoulos;George M. Kosmadakis

  • Investigating the effect of crevice flow on internal combustion engines using a new simple crevice model implemented in a CFD code

    C.D. Rakopoulos;G.M. Kosmadakis;A.M. Dimaratos;E.G. Pariotis

  • Performance investigation of concentrating solar collectors coupled with a transcritical organic Rankine cycle for power and seawater desalination co-generation

    C. Li;G. Kosmadakis;D. Manolakos;E. Stefanakos

  • Investigation of piston bowl geometry and speed effects in a motored HSDI diesel engine using a CFD against a quasi-dimensional model

    C.D. Rakopoulos;G.M. Kosmadakis;E.G. Pariotis

  • Methane/hydrogen fueling a spark-ignition engine for studying NO, CO and HC emissions with a research CFD code

    G.M. Kosmadakis;D.C. Rakopoulos;C.D. Rakopoulos

  • Parametric theoretical study of a two-stage solar organic Rankine cycle for RO desalination

    G. Kosmadakis;D. Manolakos;G. Papadakis

  • Comparative Evaluation of Ethanol, n-Butanol, and Diethyl Ether Effects as Biofuel Supplements on Combustion Characteristics, Cyclic Variations, and Emissions Balance in Light-Duty Diesel Engine

    Dimitrios C. Rakopoulos;Constantine D. Rakopoulos;Evangelos G. Giakoumis;Neofytos P. Komninos

  • Evaluation of a combustion model for the simulation of hydrogen spark-ignition engines using a CFD code

    C.D. Rakopoulos;G.M. Kosmadakis;E.G. Pariotis

  • Comparative thermodynamic study of refrigerants to select the best for use in the high-temperature stage of a two-stage organic Rankine cycle for RO desalination

    G. Kosmadakis;D. Manolakos;S. Kyritsis;G. Papadakis

  • Experimental investigation of a low-temperature organic Rankine cycle (ORC) engine under variable heat input operating at both subcritical and supercritical conditions

    George Kosmadakis;Dimitris Manolakos;George Papadakis

  • A combined experimental and numerical study of thermal processes, performance and nitric oxide emissions in a hydrogen-fueled spark-ignition engine

    C.D. Rakopoulos;G.M. Kosmadakis;J. Demuynck;M. De Paepe

  • CFD modeling and experimental study of combustion and nitric oxide emissions in hydrogen-fueled spark-ignition engine operating in a very wide range of EGR rates

    G.M. Kosmadakis;C.D. Rakopoulos;J. Demuynck;M. De Paepe

  • Experimental testing of a low-temperature organic Rankine cycle (ORC) engine coupled with concentrating PV/thermal collectors: Laboratory and field tests

    George Kosmadakis;Arnaud Landelle;Marija Lazova;Dimitris Manolakos

  • Design of a two stage Organic Rankine Cycle system for reverse osmosis desalination supplied from a steady thermal source

    G. Kosmadakis;D. Manolakos;S. Kyritsis;G. Papadakis

  • Investigation of nitric oxide emission mechanisms in a SI engine fueled with methane/hydrogen blends using a research CFD code

    G.M. Kosmadakis;D.C. Rakopoulos;C.D. Rakopoulos

  • Exergy assessment of combustion and EGR and load effects in DI diesel engine using comprehensive two-zone modeling

    Dimitrios C. Rakopoulos;Constantine D. Rakopoulos;George M. Kosmadakis;Evangelos G. Giakoumis

  • Review of experimental research on supercritical and transcritical thermodynamic cycles designed for heat recovery application

    Steven Lecompte;Erika Ntavou;Bertrand Tchanche;George Kosmadakis

  • Performance Evaluation of a Helical Coil Heat Exchanger Working under Supercritical Conditions in a Solar Organic Rankine Cycle Installation

    Marija Lazova;Henk Huisseune;Alihan Kaya;Steven Lecompte

Frequent Co-Authors

George Papadakis
George Papadakis Agricultural University of Athens
Constantine D. Rakopoulos
Constantine D. Rakopoulos National Technical University of Athens
Dimitrios C. Rakopoulos
Dimitrios C. Rakopoulos National Technical University of Athens
Michel De Paepe
Michel De Paepe Ghent University
Evangelos G. Giakoumis
Evangelos G. Giakoumis National Technical University of Athens
Andrea Cipollina
Andrea Cipollina University of Palermo
Sotirios Karellas
Sotirios Karellas National Technical University of Athens
Sebastian Verhelst
Sebastian Verhelst Ghent University
Giorgio Micale
Giorgio Micale University of Palermo
Elias Stefanakos
Elias Stefanakos University of South Florida

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