World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Mechanical and Aerospace Engineering 35 2750 2581 19 19 73 3380

Ataollah Khanlari publications per year

The chart shows the history of publications by Ataollah Khanlari between 2013 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ataollah Khanlari published across 13 years, from 2013 to 2025, averaging 6.1 papers a year. Output peaked at 19 publications in 2020. 10 of the 79 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 2013 to 2025. Vertical axis: number of publications, 0 to 19. Peak 19 publications in 2020. 2013: 1 publication 2014: 0 publications 2015: 1 publication 2016: 0 publications 2017: 1 publication 2018: 3 publications 2019: 6 publications 2020: 19 publications 2021: 14 publications 2022: 12 publications 2023: 12 publications 2024: 6 publications 2025: 4 publications
2013 2025

79 publications in total across all disciplines

View publications per year as a table
Ataollah Khanlari: publications per year, 2013 to 2025
Year Publications
2013 1
2014 0
2015 1
2016 0
2017 1
2018 3
2019 6
2020 19
2021 14
2022 12
2023 12
2024 6
2025 4
Total 79
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Ataollah Khanlari 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 Ataollah Khanlari 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, 67–76 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: 73 publications — 2nd percentile

2% 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 73
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
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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Ataollah Khanlari 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 Ataollah Khanlari 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, 35 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: 35 D-Index — 24th percentile

24% 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 35
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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Best Publications

  • Experimental and numerical study of the effect of integrating plus-shaped perforated baffles to solar air collector in drying application

    Ataollah Khanlari;Hande Özge Güler;Azim Doğuş Tuncer;Ceylin Şirin

  • Performance enhancement of a greenhouse dryer: Analysis of a cost-effective alternative solar air heater

    Ataollah Khanlari;Adnan Sözen;Ceylin Şirin;Azim Doğuş Tuncer;Azim Doğuş Tuncer

  • Energy and exergy analysis of a photovoltaic thermal (PVT) system used in solar dryer: A numerical and experimental investigation

    Erdem Çiftçi;Ataollah Khanlari;Adnan Sözen;İpek Aytaç

  • Energy and exergy analysis of a vertical solar air heater with nano-enhanced absorber coating and perforated baffles

    Unknown

  • Experimental and numerical analysis of a grooved hybrid photovoltaic-thermal solar drying system

    Unknown

  • Energy-exergy and enviro-economic survey of solar air heaters with various air channel modifications

    Azim Doğuş Tuncer;Azim Doğuş Tuncer;Ataollah Khanlari;Adnan Sözen;Emine Yağız Gürbüz;Emine Yağız Gürbüz

  • Simulation and experimental analysis of heat transfer characteristics in the plate type heat exchangers using TiO2/water nanofluid

    Ataollah Khanlari;Adnan Sözen;Halil İbrahim Variyenli

  • Effect of turbulator modifications on the thermal performance of cost-effective alternative solar air heater

    Faraz Afshari;Adnan Sözen;Ataollah Khanlari;Azim Doğuş Tuncer;Azim Doğuş Tuncer

  • Thermal performance enhancement of tube-type alternative indirect solar dryer with iron mesh modification

    Adnan Sözen;Ceylin Şirin;Ataollah Khanlari;Azim Doğuş Tuncer;Azim Doğuş Tuncer

  • Drying municipal sewage sludge with v-groove triple-pass and quadruple-pass solar air heaters along with testing of a solar absorber drying chamber.

    Ataollah Khanlari;Adnan Sözen;Faraz Afshari;Ceylin Şirin

  • Energy-exergy and sustainability analysis of a PV-driven quadruple-flow solar drying system

    Ataollah Khanlari;Adnan Sözen;Faraz Afshari;Azim Doğuş Tuncer;Azim Doğuş Tuncer

  • Experimental and numerical study on enhancement of heat transfer characteristics of a heat pipe utilizing aqueous clinoptilolite nanofluid

    Adnan Sözen;Metin Gürü;Ataollah Khanlari;Erdem Çiftçi

  • Analysis of thermal performance of an improved shell and helically coiled heat exchanger

    Azim Doğuş Tuncer;Azim Doğuş Tuncer;Adnan Sözen;Ataollah Khanlari;Emine Yağız Gürbüz;Emine Yağız Gürbüz

  • Upgrading the performance of shell and helically coiled heat exchangers with new flow path by using TiO2/water and CuO–TiO2/water nanofluids

    Unknown

  • Numerical and experimental study on thermal performance of a novel shell and helically coiled tube heat exchanger design with integrated rings and discs

    Unknown

  • Thermal performance improvement of an indirect solar dryer with tube-type absorber packed with aluminum wool

    Adnan Sözen;Fikret Şinasi Kazancıoğlu;Azim Doğuş Tuncer;Azim Doğuş Tuncer;Ataollah Khanlari

  • A comprehensive survey on utilization of hybrid nanofluid in plate heat exchanger with various number of plates

    Faraz Afshari;Azim Doğuş Tuncer;Adnan Sözen;Halil Ibrahim Variyenli

  • Energetic, environmental and economic analysis of drying municipal sewage sludge with a modified sustainable solar drying system

    Ataollah Khanlari;Azim Doğuş Tuncer;Azim Doğuş Tuncer;Adnan Sözen;Ceylin Şirin

  • A comparative study on utilizing hybrid-type nanofluid in plate heat exchangers with different number of plates

    Emine Yağız Gürbüz;Emine Yağız Gürbüz;Adnan Sözen;Halil İbrahim Variyenli;Ataollah Khanlari

  • Experimental and numerical analysis on using CuO-Al2O3/water hybrid nanofluid in a U-type tubular heat exchanger

    Emine Yağız Gürbüz;Halil İbrahim Variyenli;Adnan Sözen;Ataollah Khanlari

Frequent Co-Authors

Azim Doğuş Tuncer
Azim Doğuş Tuncer Catalan Institute of Nanoscience and Nanotechnology
Adnan Sözen
Adnan Sözen Gazi University
Ümit Ağbulut
Ümit Ağbulut Yıldız Technical University

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