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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Engineering and Technology 47 4765 4585 316 296 239 10936

Paola Lettieri publications per year

The chart shows the history of publications by Paola Lettieri between 1998 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Paola Lettieri published across 28 years, from 1998 to 2025, averaging 9.5 papers a year. Output peaked at 21 publications in 2016. 13 of the 267 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1998 to 2025. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 2016. 1998: 1 publication 1999: 1 publication 2000: 4 publications 2001: 2 publications 2002: 5 publications 2003: 2 publications 2004: 11 publications 2005: 15 publications 2006: 7 publications 2007: 15 publications 2008: 9 publications 2009: 14 publications 2010: 12 publications 2011: 10 publications 2012: 11 publications 2013: 9 publications 2014: 10 publications 2015: 18 publications 2016: 21 publications 2017: 15 publications 2018: 5 publications 2019: 5 publications 2020: 16 publications 2021: 16 publications 2022: 11 publications 2023: 9 publications 2024: 7 publications 2025: 6 publications
1998 2025

267 publications in total across all disciplines

View publications per year as a table
Paola Lettieri: publications per year, 1998 to 2025
Year Publications
1998 1
1999 1
2000 4
2001 2
2002 5
2003 2
2004 11
2005 15
2006 7
2007 15
2008 9
2009 14
2010 12
2011 10
2012 11
2013 9
2014 10
2015 18
2016 21
2017 15
2018 5
2019 5
2020 16
2021 16
2022 11
2023 9
2024 7
2025 6
Total 267
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Paola Lettieri publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Paola Lettieri sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: publications, 38–47 to 804+. Vertical axis: number of scientists, 0 to 457. Most scientists, 457, have 148–157 publications. The last bar groups every scientist with 804 publications or more. The highlighted bar, 238–247 publications, is where this scientist sits. 38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38–47 publications 804+

This scientist: 239 publications — 61st percentile

61% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

View publications distribution as a table
Number of Engineering and Technology scientists by publication count, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
Publications Scientists This scientist
38–47 20
48–57 35
58–67 96
68–77 135
78–87 190
88–97 259
98–107 283
108–117 369
118–127 341
128–137 386
138–147 372
148–157 457
158–167 415
168–177 407
178–187 421
188–197 378
198–207 403
208–217 317
218–227 346
228–237 321
238–247 260 239
248–257 280
258–267 240
268–277 214
278–287 242
288–297 203
298–307 166
308–317 154
318–327 175
328–337 159
338–347 99
348–357 131
358–367 106
368–377 118
378–387 97
388–397 108
398–407 82
408–417 71
418–427 64
428–437 55
438–447 54
448–457 60
458–467 47
468–477 40
478–487 30
488–497 29
498–507 38
508–517 40
518–527 32
528–537 23
538–547 28
548–557 23
558–567 19
568–577 16
578–587 17
588–597 18
598–607 22
608–617 15
618–627 9
628–637 11
638–647 21
648–657 12
658–667 9
668–677 11
678–687 9
688–697 6
698–707 14
708–717 7
718–727 8
728–737 10
738–747 9
748–757 5
758–767 5
768–777 11
778–787 7
788–797 2
798–803 4
804+ 100
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Paola Lettieri D-index placement in Engineering and Technology in 2026

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

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: D-Index, 30 to 107+. Vertical axis: number of scientists, 0 to 426. Most scientists, 426, have 42 D-Index. The last bar groups every scientist with 107 D-Index or more. The highlighted bar, 47 D-Index, is where this scientist sits. 30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 47 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

View D-Index distribution as a table
Number of Engineering and Technology scientists by D-index, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
D-Index Scientists This scientist
30 59
31 114
32 129
33 189
34 200
35 262
36 311
37 312
38 350
39 385
40 348
41 362
42 426
43 380
44 310
45 341
46 301
47 306 47
48 271
49 246
50 210
51 253
52 213
53 221
54 195
55 186
56 170
57 167
58 166
59 144
60 152
61 141
62 138
63 131
64 118
65 114
66 119
67 95
68 87
69 77
70 89
71 69
72 54
73 46
74 55
75 54
76 49
77 53
78 46
79 28
80 39
81 36
82 24
83 26
84 36
85 18
86 25
87 19
88 26
89 27
90 23
91 15
92 12
93 9
94 15
95 10
96 13
97 13
98 9
99 7
100 7
101 8
102 7
103 7
104 9
105 6
106 9
107+ 99
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Overview

Paola Lettieri is affiliated with University College London in the United Kingdom. Their research spans the fields of Engineering and Environmental Science, with a total of 56 publications in Engineering and 41 in Environmental Science.

Their work covers several subfields including Mechanical Engineering, Computational Mechanics, Environmental Engineering, Industrial and Manufacturing Engineering, and Renewable Energy, Sustainability and the Environment. The main research topics focus on Environmental Impact and Sustainability, Granular Flow and Fluidized Beds, Mineral Processing and Grinding, Geothermal Energy Systems and Applications, Recycling and Waste Management Techniques, Cyclone Separators and Fluid Dynamics, and Extraction and Separation Processes.

Paola Lettieri has contributed frequently to various publication venues. Notable journals where they have published include the Journal of Cleaner Production, Powder Technology, Sustainable Materials and Technologies, Cleaner Environmental Systems, and Open Research Europe.

Among their recent papers are:

  • The impact and effectiveness of the general public wearing masks to reduce the spread of pandemics in the UK: a multidisciplinary comparison of single-use masks versus reusable face masks (2021, UCL Open Environment)
  • Biohydrogen: A life cycle assessment and comparison with alternative low-carbon production routes in UK (2021, Journal of Cleaner Production)
  • Continuous production of iron oxide nanoparticles via fast and economical high temperature synthesis (2020, Reaction Chemistry & Engineering)
  • Anticipatory life cycle assessment of gold nanoparticles production: Comparison of milli-continuous flow and batch synthesis (2020, Journal of Cleaner Production)
  • Application of acoustic techniques to fluid-particle systems - A review (2021, Process Safety and Environmental Protection)

The researcher has collaborated extensively with co-authors including Andrea Paulillo, Massimiliano Materazzi, Alberto Striolo, Fabio Grimaldi, and Martina Pucciarelli. The frequency of collaboration ranges from 7 to 31 joint publications with these colleagues.

Best Publications

  • Recycling and recovery routes of plastic solid waste (PSW): A review

    S.M. Al-Salem;P. Lettieri;J. Baeyens

  • The valorization of plastic solid waste (PSW) by primary to quaternary routes: From re-use to energy and chemicals

    S.M. Al-Salem;P. Lettieri;J. Baeyens

  • Life cycle assessment of energy from waste via anaerobic digestion: A UK case study

    Sara Evangelisti;Paola Lettieri;Domenico Borello;Roland Clift

  • Life cycle assessment of future electric and hybrid vehicles: A cradle-to-grave systems engineering approach

    Carla Tagliaferri;Sara Evangelisti;Federica Acconcia;Teresa Domenech

  • Environmental impact of municipal solid waste management using Life Cycle Assessment: The effect of anaerobic digestion, materials recovery and secondary fuels production

    Raffaele Cremiato;Maria Laura Mastellone;Carla Tagliaferri;Lucio Zaccariello

  • Life cycle assessment of a polymer electrolyte membrane fuel cell system for passenger vehicles

    Sara Evangelisti;Carla Tagliaferri;Dan J.L. Brett;Paola Lettieri

  • Life cycle assessment of alternative technologies for municipal solid waste and plastic solid waste management in the Greater London area

    S.M. Al-Salem;S. Evangelisti;P. Lettieri

  • Economic and environmental scheduling of smart homes with microgrid: DER operation and electrical tasks

    Di Zhang;Sara Evangelisti;Paola Lettieri;Lazaros G. Papageorgiou

  • Kinetic study of high density polyethylene (HDPE) pyrolysis

    S.M. Al-Salem;P. Lettieri

  • Optimal design of CHP-based microgrids: Multiobjective optimisation and life cycle assessment

    Di Zhang;Sara Evangelisti;Paola Lettieri;Lazaros G. Papageorgiou

  • Techno-economic performance of energy-from-waste fluidized bed combustion and gasification processes in the UK context

    Liban Yassin;Paola Lettieri;Stefaan J.R. Simons;Antonino Germanà

  • Performance analysis of RDF gasification in a two stage fluidized bed-plasma process.

    M. Materazzi;P. Lettieri;R. Taylor;C. Chapman

  • Self-segregation of high-volatile fuel particles during devolatilization in a fluidized bed reactor

    G. Bruni;R. Solimene;A. Marzocchella;P. Salatino

  • Life cycle assessment of conventional and two-stage advanced energy-from-waste technologies for municipal solid waste treatment

    Sara Evangelisti;Carla Tagliaferri;Roland Clift;Paola Lettieri

  • 2D and 3D CFD Simulations of Bubbling Fluidized Beds Using Eulerian-Eulerian Models

    Luca Cammarata;Paola Lettieri;Giorgio D. M. Micale;Derek Colman

  • Life cycle assessment of nanocellulose-reinforced advanced fibre composites

    Martin Hervy;Sara Evangelisti;Paola Lettieri;Koon-Yang Lee

  • Thermodynamic modelling and evaluation of a two-stage thermal process for waste gasification

    Massimiliano Materazzi;Paola Lettieri;Luca Mazzei;Richard Taylor

  • Life cycle assessment of integrated waste management systems for alternative legacy scenarios of the London Olympic Park

    Olga Parkes;Paola Lettieri;I. David L. Bogle

  • Gas retention in fine-grained pyroclastic flow materials at high temperatures

    Timothy H. Druitt;G. Avard;G. Bruni;P. Lettieri

  • The environmental dangers of employing single-use face masks as part of a COVID-19 exit strategy

    Ayse Lisa Allison;Esther Ambrose-Dempster;Teresa Domenech Aparsi;Maria Bawn

  • The influence of interparticle forces on the fluidization behaviour of some industrial materials at high temperature

    P. Lettieri;J.G. Yates;D. Newton

  • Chapter 4:An Introduction to Heat Transfer

    Tim Elson;Paola Lettieri

  • An introduction to heat transfer

    P Lettieri;T Elson

Frequent Co-Authors

Roland Clift
Roland Clift University of Surrey
Daniele Marchisio
Daniele Marchisio Polytechnic University of Turin
Piero Salatino
Piero Salatino University of Naples Federico II
Lazaros G. Papageorgiou
Lazaros G. Papageorgiou University College London
Giorgio Micale
Giorgio Micale University of Palermo
Changkook Ryu
Changkook Ryu Sungkyunkwan University
Jim Swithenbank
Jim Swithenbank University of Sheffield
Volker Hessel
Volker Hessel University of Adelaide
John R.W. Yates
John R.W. Yates University of Cambridge
Alberto Striolo
Alberto Striolo University College London

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