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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 65 527 479 4 4 218 11843

Christos Tzivanidis publications per year

The chart shows the history of publications by Christos Tzivanidis between 1995 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Christos Tzivanidis published across 31 years, from 1995 to 2025, averaging 7.5 papers a year. Output peaked at 41 publications in 2018. 37 of the 231 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1995 to 2025. Vertical axis: number of publications, 0 to 41. Peak 41 publications in 2018. 1995: 2 publications 1996: 2 publications 1997: 3 publications 1998: 1 publication 1999: 0 publications 2000: 0 publications 2001: 0 publications 2002: 0 publications 2003: 0 publications 2004: 0 publications 2005: 0 publications 2006: 0 publications 2007: 0 publications 2008: 0 publications 2009: 0 publications 2010: 2 publications 2011: 3 publications 2012: 1 publication 2013: 0 publications 2014: 0 publications 2015: 3 publications 2016: 19 publications 2017: 26 publications 2018: 41 publications 2019: 32 publications 2020: 15 publications 2021: 9 publications 2022: 17 publications 2023: 18 publications 2024: 21 publications 2025: 16 publications
1995 2025

231 publications in total across all disciplines

View publications per year as a table
Christos Tzivanidis: publications per year, 1995 to 2025
Year Publications
1995 2
1996 2
1997 3
1998 1
1999 0
2000 0
2001 0
2002 0
2003 0
2004 0
2005 0
2006 0
2007 0
2008 0
2009 0
2010 2
2011 3
2012 1
2013 0
2014 0
2015 3
2016 19
2017 26
2018 41
2019 32
2020 15
2021 9
2022 17
2023 18
2024 21
2025 16
Total 231
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Christos Tzivanidis 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 Christos Tzivanidis 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, 217–226 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: 218 publications — 50th percentile

50% 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
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
217–226 117 218
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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Christos Tzivanidis 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 Christos Tzivanidis 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, 65 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: 65 D-Index — 85th percentile

85% 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
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 65
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

Christos Tzivanidis is affiliated with the National Technical University of Athens in Greece, focusing their research efforts primarily in the fields of Engineering and Energy. Their work spans multiple subfields including Mechanical Engineering, Renewable Energy, Sustainability and the Environment, Statistical and Nonlinear Physics, Building and Construction, and Electrical and Electronic Engineering.

Their main topics of study concern Solar Thermal and Photovoltaic Systems, Thermodynamic and Exergetic Analyses of Power and Cooling Systems, Refrigeration and Air Conditioning Technologies, Advanced Thermodynamics and Statistical Mechanics, Building Energy and Comfort Optimization, Photovoltaic System Optimization Techniques, and Heat Transfer and Optimization.

Christos Tzivanidis has contributed to various publication venues with frequent appearances in Applied Sciences, Energies, Thermal Science and Engineering Progress, Applied System Innovation, and Applied Thermal Engineering.

Frequent coauthors include Evangelos Bellos, Panagiotis Lykas, Dimitrios N. Korres, Angeliki Kitsopoulou, and Michail Gr. Vrachopoulos. The collaboration with these authors points to a sustained research network within the areas of solar energy and thermal systems.

The following recent papers indicate some of the specific areas of research pursued by Tzivanidis:

  • Solar-driven polygeneration systems: Recent progress and outlook (2020, Applied Energy)
  • A systematic parametric thermal analysis of nanofluid-based parabolic trough solar collectors (2020, Sustainable Energy Technologies and Assessments)
  • A comprehensive review of solar-driven multigeneration systems with hydrogen production (2022, International Journal of Hydrogen Energy)
  • Investigation and optimization of a solar-assisted pumped thermal energy storage system with flat plate collectors (2021, Energy Conversion and Management)
  • Yearly investigation of a solar-driven absorption refrigeration system with ammonia-water absorption pair (2021, Thermal Science and Engineering Progress)

Best Publications

  • Thermal enhancement of solar parabolic trough collectors by using nanofluids and converging-diverging absorber tube

    E. Bellos;C. Tzivanidis;K.A. Antonopoulos;G. Gkinis

  • Alternative designs of parabolic trough solar collectors

    Evangelos Bellos;Christos Tzivanidis

  • A detailed working fluid investigation for solar parabolic trough collectors

    Evangelos Bellos;Christos Tzivanidis;Kimon A. Antonopoulos

  • Energetic and financial investigation of a stand-alone solar-thermal Organic Rankine Cycle power plant

    Christos Tzivanidis;Evangelos Bellos;Kimon A. Antonopoulos

  • Enhancing the performance of parabolic trough collectors using nanofluids and turbulators

    Evangelos Bellos;Christos Tzivanidis;Dimitrios Tsimpoukis

  • Thermal and optical efficiency investigation of a parabolic trough collector

    C. Tzivanidis;E. Bellos;D. Korres;K.A. Antonopoulos

  • Thermal analysis of parabolic trough collector operating with mono and hybrid nanofluids

    Evangelos Bellos;Christos Tzivanidis

  • Exergetic, energetic and financial evaluation of a solar driven absorption cooling system with various collector types

    Evangelos Bellos;Christos Tzivanidis;Kimon A. Antonopoulos

  • Energetic and financial evaluation of solar assisted heat pump space heating systems

    Evangelos Bellos;Christos Tzivanidis;Konstantinos Moschos;Kimon A. Antonopoulos

  • The use of nanofluids in solar concentrating technologies: A comprehensive review

    Evangelos Bellos;Zafar Said;Christos Tzivanidis

  • Solar-driven polygeneration systems: Recent progress and outlook

    Alibakhsh Kasaeian;Evangelos Bellos;Armin Shamaeizadeh;Christos Tzivanidis

  • Thermal enhancement of parabolic trough collector with internally finned absorbers

    Evangelos Bellos;Christos Tzivanidis;Dimitrios Tsimpoukis

  • A detailed exergetic analysis of parabolic trough collectors

    Evangelos Bellos;Christos Tzivanidis

  • Multi-criteria evaluation of parabolic trough collector with internally finned absorbers

    Evangelos Bellos;Christos Tzivanidis;Dimitrios Tsimpoukis

  • Thermal, hydraulic and exergetic evaluation of a parabolic trough collector operating with thermal oil and molten salt based nanofluids

    Evangelos Bellos;Christos Tzivanidis;Dimitrios Tsimpoukis

  • Parametric investigation of nanofluids utilization in parabolic trough collectors

    Evangelos Bellos;Christos Tzivanidis

  • Design, simulation and optimization of a compound parabolic collector

    E. Bellos;D. Korres;C. Tzivanidis;K.A. Antonopoulos

  • Parametric analysis and optimization of a solar driven trigeneration system based on ORC and absorption heat pump

    Evangelos Bellos;Christos Tzivanidis

  • The impact of internal longitudinal fins in parabolic trough collectors operating with gases

    Evangelos Bellos;Christos Tzivanidis;Ilias Daniil;Kimon A. Antonopoulos

  • Investigation of a star flow insert in a parabolic trough solar collector

    Evangelos Bellos;Christos Tzivanidis

  • A review of concentrating solar thermal collectors with and without nanofluids

    Evangelos Bellos;Christos Tzivanidis

Frequent Co-Authors

Evangelos Bellos
Evangelos Bellos University of West Attica
Zafar Said
Zafar Said United Arab Emirates University
Alibakhsh Kasaeian
Alibakhsh Kasaeian University of Tehran
Sotirios Karellas
Sotirios Karellas National Technical University of Athens
John K. Kaldellis
John K. Kaldellis University of West Attica

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