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 34 2892 2715 996 883 172 4167

Timothy Ombrello publications per year

The chart shows the history of publications by Timothy Ombrello between 2005 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Timothy Ombrello published across 22 years, from 2005 to 2026, averaging 8.7 papers a year. Output peaked at 20 publications in 2019. 12 of the 191 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 2005 to 2026. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 2019. 2005: 1 publication 2006: 3 publications 2007: 1 publication 2008: 5 publications 2009: 2 publications 2010: 6 publications 2011: 6 publications 2012: 5 publications 2013: 7 publications 2014: 3 publications 2015: 18 publications 2016: 12 publications 2017: 19 publications 2018: 15 publications 2019: 20 publications 2020: 14 publications 2021: 17 publications 2022: 7 publications 2023: 4 publications 2024: 14 publications 2025: 8 publications 2026: 4 publications
2005 2026

191 publications in total across all disciplines

View publications per year as a table
Timothy Ombrello: publications per year, 2005 to 2026
Year Publications
2005 1
2006 3
2007 1
2008 5
2009 2
2010 6
2011 6
2012 5
2013 7
2014 3
2015 18
2016 12
2017 19
2018 15
2019 20
2020 14
2021 17
2022 7
2023 4
2024 14
2025 8
2026 4
Total 191
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Timothy Ombrello 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 Timothy Ombrello 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, 167–176 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: 172 publications — 34th percentile

34% 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
167–176 133 172
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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Timothy Ombrello 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 Timothy Ombrello 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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Best Publications

  • Flame propagation enhancement by plasma excitation of oxygen. Part I: Effects of O3

    Timothy Ombrello;Sang Hee Won;Yiguang Ju;Skip Williams

  • Kinetic effects of non-equilibrium plasma-assisted methane oxidation on diffusion flame extinction limits

    Wenting Sun;Mruthunjaya Uddi;Sang Hee Won;Timothy Ombrello

  • Plasma assisted ammonia combustion: Simultaneous NOx reduction and flame enhancement

    Unknown

  • Combustion enhancement via stabilized piecewise nonequilibrium gliding arc plasma discharge

    Timothy Ombrello;Xiao Qin;Yiguang Ju;Alexander Gutsol

  • Effects of non-equilibrium plasma discharge on counterflow diffusion flame extinction

    Wenting Sun;Mruthunjaya Uddi;Timothy Ombrello;Sang Hee Won

  • An exploration of inter-pulse coupling in nanosecond pulsed high frequency discharge ignition

    Unknown

  • The effect of ozone addition on combustion: Kinetics and dynamics

    Unknown

  • Characteristics of Gliding Arc and Its Application in Combustion Enhancement

    Alexander Fridman;Alexander Gutsol;Shailesh Gangoli;Yiguang Ju

  • Kinetic Ignition Enhancement of Diffusion Flames by Nonequilibrium Magnetic Gliding Arc Plasma

    Timothy Ombrello;Yiguang Ju;Alexander Fridman

  • The effect of ozone addition on laminar flame speed

    Xiang Gao;Yao Zhang;Sampath Adusumilli;Jerry Seitzman

  • Cavity Ignition in Supersonic Flow by Spark Discharge and Pulse Detonation

    Timothy M Ombrello;Campbell D Carter;Chung-Jen Tam;Kuang-Yu Hsu

  • From ignition to stable combustion in a cavity flameholder studied via 3D tomographic chemiluminescence at 20 kHz

    Lin Ma;Qingchun Lei;Yue Wu;Wenjiang Xu

  • Schlieren imaging and pulsed detonation engine testing of ignition by a nanosecond repetitively pulsed discharge

    Joseph K. Lefkowitz;Peng Guo;Timothy Ombrello;Sang Hee Won

  • Simultaneous gas density and fuel concentration measurements in a supersonic combustor using laser induced breakdown

    Hyungrok Do;Campbell D. Carter;Qili Liu;Timothy M. Ombrello

  • Reduction of flame development time in nanosecond pulsed high frequency discharge ignition of flowing mixtures

    Unknown

  • Burner Platform for Sub-Atmospheric Pressure Flame Studies

    Timothy Ombrello;Campbell Carter;Viswanath Katta

  • Stability Enhancement of Ozone-Assisted Laminar Premixed Bunsen Flames in Nitrogen Co-Flow

    Tran Manh Vu;Sang Hee Won;Timothy Ombrello;Min Suk Cha

  • Kinetic Ignition Enhancement of $\hbox{H}_{2}$ Versus Fuel-Blended Air Diffusion Flames Using Nonequilibrium Plasma

    T. Ombrello;Yiguang Ju

  • Quasi-DC electrical discharge characterization in a supersonic flow

    Unknown

  • Investigation of transient ignition processes in a model scramjet pilot cavity using simultaneous 100 kHz formaldehyde planar laser-induced fluorescence and CH* chemiluminescence imaging

    Joseph D. Miller;Scott J. Peltier;Mikhail N. Slipchenko;Jason G. Mance

Frequent Co-Authors

Sang Hee Won
Sang Hee Won University of South Carolina
Viswanath R. Katta
Viswanath R. Katta Innovative Scientific Solutions (United States)
Yiguang Ju
Yiguang Ju Princeton University
Lin Ma
Lin Ma Virginia Tech
Ephraim Gutmark
Ephraim Gutmark University of Cincinnati
Jerry Seitzman
Jerry Seitzman Georgia Institute of Technology
James R. Gord
James R. Gord United States Air Force Research Laboratory
Mark A. Cappelli
Mark A. Cappelli Stanford University

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