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 54 973 893 41 41 215 9532
Materials Science 54 8951 8644 160 153 220 9732

Jan K. Spelt publications per year

The chart shows the history of publications by Jan K. Spelt between 1975 and 2020, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jan K. Spelt published across 46 years, from 1975 to 2020, averaging 4.8 papers a year. Output peaked at 15 publications in 2011. 7 of the 223 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1975 to 2020. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 2011. 1975: 1 publication 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 1 publication 1983: 1 publication 1984: 3 publications 1985: 0 publications 1986: 2 publications 1987: 3 publications 1988: 2 publications 1989: 0 publications 1990: 1 publication 1991: 4 publications 1992: 7 publications 1993: 1 publication 1994: 6 publications 1995: 7 publications 1996: 5 publications 1997: 6 publications 1998: 6 publications 1999: 3 publications 2000: 6 publications 2001: 2 publications 2002: 4 publications 2003: 9 publications 2004: 3 publications 2005: 2 publications 2006: 5 publications 2007: 9 publications 2008: 9 publications 2009: 11 publications 2010: 14 publications 2011: 15 publications 2012: 10 publications 2013: 9 publications 2014: 8 publications 2015: 13 publications 2016: 13 publications 2017: 7 publications 2018: 8 publications 2019: 3 publications 2020: 4 publications
1975 2020

223 publications in total across all disciplines

View publications per year as a table
Jan K. Spelt: publications per year, 1975 to 2020
Year Publications
1975 1
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 1
1983 1
1984 3
1985 0
1986 2
1987 3
1988 2
1989 0
1990 1
1991 4
1992 7
1993 1
1994 6
1995 7
1996 5
1997 6
1998 6
1999 3
2000 6
2001 2
2002 4
2003 9
2004 3
2005 2
2006 5
2007 9
2008 9
2009 11
2010 14
2011 15
2012 10
2013 9
2014 8
2015 13
2016 13
2017 7
2018 8
2019 3
2020 4
Total 223
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Jan K. Spelt 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 Jan K. Spelt 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, 207–216 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: 215 publications — 49th percentile

49% 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
207–216 125 215
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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Jan K. Spelt 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 Jan K. Spelt 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, 54 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: 54 D-Index — 73rd percentile

73% 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 54
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

What is he best known for?

The fields of study he is best known for:

  • Composite material
  • Viscosity
  • Mechanical engineering

Jan K. Spelt mainly focuses on Composite material, Jet, Abrasive, Machining and Adhesive. His Composite material research incorporates elements of Metallurgy, Energy balance and Microelectronics. His study in Jet is interdisciplinary in nature, drawing from both Brittleness and Nozzle.

Jan K. Spelt incorporates Abrasive and Particle size in his studies. Jan K. Spelt interconnects Waviness, Airflow, Leading edge and Engineering drawing in the investigation of issues within Machining. The concepts of his Adhesive study are interwoven with issues in Structural engineering, Lap joint, Fracture mechanics, Strain energy release rate and Epoxy.

His most cited work include:

  • Analytical models of adhesively bonded joints—Part I: Literature survey (416 citations)
  • Analytical models of adhesively bonded joints-Part II: Comparative study (286 citations)
  • Mixed-mode fracture characterization of adhesive joints (145 citations)

What are the main themes of his work throughout his whole career to date?

His primary areas of study are Composite material, Abrasive, Jet, Machining and Adhesive. His study in Strain energy release rate, Epoxy, Brittleness, Fracture mechanics and Fracture falls within the category of Composite material. In his research on the topic of Abrasive, Surface roughness and Forensic engineering is strongly related with Surface finish.

The Jet study combines topics in areas such as Waviness, Edge and Nozzle. His Machining study frequently draws connections to other fields, such as Engineering drawing. Jan K. Spelt focuses mostly in the field of Adhesive, narrowing it down to topics relating to Structural engineering and, in certain cases, Stress.

He most often published in these fields:

  • Composite material (93.60%)
  • Abrasive (68.40%)
  • Jet (54.40%)

What were the highlights of his more recent work (between 2012-2020)?

  • Abrasive (68.40%)
  • Composite material (93.60%)
  • Jet (54.40%)

In recent papers he was focusing on the following fields of study:

Jan K. Spelt focuses on Abrasive, Composite material, Jet, Machining and Slurry. His Abrasive study integrates concerns from other disciplines, such as Surface finish, Body orifice, Borosilicate glass and Nozzle. Composite material is a component of his Brittleness, Fracture, Epoxy, Adhesive and Strain energy release rate studies.

His Jet research incorporates themes from Waviness, Volumetric flow rate and Engineering drawing. His Machining research is multidisciplinary, relying on both Mixing and Flow. The various areas that Jan K. Spelt examines in his Slurry study include Boiling, Inlet and Aspect ratio.

Between 2012 and 2020, his most popular works were:

  • Characteristics of abrasive slurry jet micro-machining: A comparison with abrasive air jet micro-machining (70 citations)
  • Characteristics of abrasive slurry jet micro-machining: A comparison with abrasive air jet micro-machining (70 citations)
  • Surface evolution models for abrasive slurry jet micro-machining of channels and holes in glass (56 citations)

In his most recent research, the most cited papers focused on:

  • Composite material
  • Viscosity
  • Mechanical engineering

His primary scientific interests are in Abrasive, Machining, Jet, Composite material and Surface finish. Jan K. Spelt focuses mostly in the field of Abrasive, narrowing it down to matters related to Slurry and, in some cases, Corrosion. His biological study spans a wide range of topics, including Particle velocity and Conical surface.

His Jet study incorporates themes from Waviness and Aspect ratio. His Composite material research is multidisciplinary, incorporating elements of Body orifice and Nozzle. As a part of the same scientific family, Jan K. Spelt mostly works in the field of Surface finish, focusing on Surface roughness and, on occasion, Forensic engineering.

Best Publications

  • Analytical models of adhesively bonded joints—Part I: Literature survey

    Lucas F.M. da Silva;Paulo J.C. das Neves;R.D. Adams;J.K. Spelt

  • Analytical models of adhesively bonded joints-Part II: Comparative study

    Lucas F.M. da Silva;Paulo J.C. das Neves;R.D. Adams;A. Wang

  • Finite element analysis of a femoral retrograde intramedullary nail subject to gait loading

    G Cheung;P Zalzal;M Bhandari;J.K Spelt

  • Mixed-mode fracture characterization of adhesive joints

    G. Fernlund;J.K. Spelt

  • Fracture load predictions for adhesive joints

    G. Fernlund;M. Papini;D. McCammond;J.K. Spelt

  • Heat transfer to flowing granular media

    J.K. Spelt;C.E. Brennen;R.H. Sabersky

  • Surface evolution models in abrasive jet micromachining

    A. Ghobeity;T. Krajac;T. Burzynski;M. Papini;M. Papini

  • Measurement of adhesive joint fracture properties as a function of environmental degradation

    J.W. Wylde;J.K. Spelt

  • Effect of adhesive thickness on fatigue and fracture of toughened epoxy joints – Part I: Experiments

    S. Azari;M. Papini;J.K. Spelt

  • Abrasive waterjet micro-machining of channels in metals: Comparison between machining in air and submerged in water

    Naser Haghbin;Jan K. Spelt;Jan K. Spelt;Marcello Papini;Marcello Papini

  • Process repeatability in abrasive jet micro-machining

    A. Ghobeity;H. Getu;T. Krajac;J.K. Spelt;J.K. Spelt

  • Experimental investigation of vibratory finishing of aluminum

    S. Wang;R.S. Timsit;J.K. Spelt

  • Characteristics of abrasive slurry jet micro-machining: A comparison with abrasive air jet micro-machining

    H. Nouraei;A. Wodoslawsky;M. Papini;M. Papini;J.K. Spelt;J.K. Spelt

  • Solid surface tension: the interpretation of contact angles by the equation of state approach and the theory of surface tension components

    J. K. Spelt;D. R. Absolom;A. W. Neumann

  • The effect of geometry on the fracture of adhesive joints

    M. Papini;G. Fernlund;J.K. Spelt

  • Surface roughness and erosion rate of abrasive jet micro-machined channels: Experiments and analytical model

    R. Haj Mohammad Jafar;J.K. Spelt;J.K. Spelt;M. Papini;M. Papini

  • Observations of fatigue crack initiation and propagation in an epoxy adhesive

    M. Dessureautt;J.K. Spelt

  • Contact forces and mechanisms in a vibratory finisher

    A. Yabuki;M.R. Baghbanan;J.K. Spelt

  • THE EQUATION OF STATE APPROACH TO INTERFACIAL TENSIONS

    J. K. Spelt;D. Li;A. W. Neumann

  • Impact velocity measurement of media in a vibratory finisher

    D. Ciampini;M. Papini;M. Papini;J.K. Spelt;J.K. Spelt

  • Abrasive jet micromachining of polymethylmethacrylate

    H. Getu;A. Ghobeity;J.K. Spelt;J.K. Spelt;M. Papini;M. Papini

Frequent Co-Authors

Marcello Papini
Marcello Papini Toronto Metropolitan University
Amir Ameli
Amir Ameli University of Massachusetts Lowell
A.W. Neumann
A.W. Neumann University of Toronto
Josef Daniel Ackerman
Josef Daniel Ackerman University of Guelph
Robert D. Adams
Robert D. Adams University of Bristol
C. Ross Ethier
C. Ross Ethier Georgia Institute of Technology
Blair E. Carlson
Blair E. Carlson General Motors (United States)
Raul D.S.G. Campilho
Raul D.S.G. Campilho Instituto Superior de Engenharia do Porto
Peter Davies
Peter Davies French Research Institute for Exploitation of the Sea
David A. Dillard
David A. Dillard Virginia Tech

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