World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
50
Citations
8057
World Ranking
4153
National Ranking
276

Tim Coombs 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 Tim Coombs sits on this spectrum.

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 publications 804+

This scientist: 278 publications — 71st percentile

71% of scientists in this discipline score the same or lower.

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

Tim Coombs 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 Tim Coombs sits on this spectrum.

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: 50 D-Index — 59th percentile

59% of scientists in this discipline score the same or lower.

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

Overview

Tim Coombs is affiliated with the University of Cambridge in the United Kingdom. Their research spans across multiple fields with significant contributions in engineering and physics and astronomy, focusing particularly on condensed matter physics and electrical and electronic engineering. They have also explored biomedical engineering, electronic, optical and magnetic materials, and control and systems engineering.

Their main areas of study include:

  • Physics of Superconductivity and Magnetism
  • Superconducting Materials and Applications
  • Frequency Control in Power Systems
  • HVDC Systems and Fault Protection
  • Superconductivity in MgB2 and Alloys
  • Electric Motor Design and Analysis
  • Magnetic and transport properties of perovskites and related materials

Tim Coombs has published research predominantly in venues related to superconductivity and applied superconducting technologies. Frequent publication venues include:

  • IEEE Transactions on Applied Superconductivity
  • Superconductor Science and Technology
  • Materials
  • Physica C Superconductivity
  • IEEE Access

Their recent papers reflect the focus on high-temperature superconductors and related electromagnetic modeling, including:

  • "Review of the AC loss computation for HTS using H formulation" (2020) in Superconductor Science and Technology
  • "Overview of H-Formulation: A Versatile Tool for Modeling Electromagnetics in High-Temperature Superconductor Applications" (2020) in IEEE Access
  • "A temperature-dependent multilayer model for direct current carrying HTS coated-conductors under perpendicular AC magnetic fields" (2020) in Superconductor Science and Technology
  • "Roadmap on artificial intelligence and big data techniques for superconductivity" (2023) in Superconductor Science and Technology
  • "Advancements in dynamic characteristics analysis of superconducting electrodynamic suspension systems: Modeling, experiment, and optimization" (2024) in Superconductivity

Tim Coombs has collaborated frequently with a core group of coauthors, including:

  • Boyang Shen
  • Jintao Hu
  • Luning Hao
  • Adil Shah
  • Jiabin Yang

In addition to journal publications, Coombs has contributed to book publications, notably with Springer Science+Business Media on "Recent Advances in Sustainable Energy and Intelligent Systems" published in 2021.

Best Publications

  • Numerical solution of critical state in superconductivity by finite element software

    Z Hong;A M Campbell;T A Coombs

  • Overview of H -Formulation: A Versatile Tool for Modeling Electromagnetics in High-Temperature Superconductor Applications

    Boyang Shen;Francesco Grilli;Tim Coombs

  • 3D modeling of high-Tc superconductors by finite element software

    Min Zhang;T A Coombs

  • Review of the AC Loss Computation for HTS using the H-formulation.

    Boyang Shen;Francesco Grilli;Tim Coombs

  • Mechanism of a high-Tc superconducting flux pump: Using alternating magnetic field to trigger flux flow

    Jianzhao Geng;T. A. Coombs

  • Study of second generation, high-temperature superconducting coils: Determination of critical current

    Min Zhang;Jae-Ho Kim;Sastry Pamidi;Michal Chudy

  • An improved FEM model for computing transport AC loss in coils made of RABiTS YBCO coated conductors for electric machines

    Mark D Ainslie;Victor M Rodriguez-Zermeno;Zhiyong Hong;Weijia Yuan

  • Power dissipation in HTS coated conductor coils under the simultaneous action of AC and DC currents and fields

    Boyang Shen;Chao Li;Jianzhao Geng;Xiuchang Zhang

  • Behavior of bulk high-temperature superconductors of finite thickness subjected to crossed magnetic fields: Experiment and model

    Ph. Vanderbemden;Z. Hong;T. A. Coombs;S. Denis

  • Origin of DC voltage in type II superconducting flux pumps: field, field rate of change, and current density dependence of resistivity

    Jianzhao Geng;K Matsuda;L Fu;J-F Fagnard

  • Superconducting magnetic bearings for energy storage flywheels

    T. Coombs;A.M. Campbell;R. Storey;R. Weller

  • Numerical Modelling of AC Loss in Coated Conductors by Finite Element Software Using H Formulation

    Z. Hong;T. A. Coombs

  • A model for calculating the AC losses of second-generation high temperature superconductor pancake coils

    Weijia Yuan;A M Campbell;T A Coombs

  • New application of temperature-dependent modelling of high temperature superconductors: Quench propagation and pulse magnetization

    Min Zhang;Koichi Matsuda;T. A. Coombs

  • Alternating current loss of second-generation high-temperature superconducting coils with magnetic and non-magnetic substrate

    Min Zhang;J. Kvitkovic;Jae Ho Kim;C. H. Kim

  • A temperature-dependent multilayer model for direct current carrying HTS coated-conductors under perpendicular AC magnetic fields

    Jun Ma;Jun Ma;Jianzhao Geng;Wan Kan Chan;Justin Schwartz;Justin Schwartz

  • System Studies of the Superconducting Fault Current Limiter in Electrical Distribution Grids

    Lin Ye;M. Majoros;T. Coombs;A.M. Campbell

  • Review of the AC loss computation for HTS using H formulation

    Boyang Shen;Francesco Grilli;Tim Coombs

  • The design, magnetization and control of a superconducting permanent magnet synchronous motor

    Y Jiang;R Pei;W Xian;Z Hong

  • Experimental and numerical study of a YBCO pancake coil with a magnetic substrate

    Min Zhang;J. Kvitkovic;S. V. Pamidi;T. A. Coombs

  • A numerical method to estimate AC loss in superconducting coated conductors by finite element modelling

    Z Hong;Q Jiang;R Pei;A M Campbell

  • An Overview of Flux Pumps for HTS Coils

    Tim Coombs;Jianzhao Geng;Lin Fu;Koichi Matsuda

Frequent Co-Authors

Weijia Yuan
Weijia Yuan University of Strathclyde
Francesco Grilli
Francesco Grilli Karlsruhe Institute of Technology
Youguang Guo
Youguang Guo University of Technology Sydney
J.E. Evetts
J.E. Evetts University of Cambridge
Jianguo Zhu
Jianguo Zhu University of Sydney
Xinzhou Dong
Xinzhou Dong Tsinghua University
Md. Rabiul Islam
Md. Rabiul Islam University of Wollongong
Li Ren
Li Ren South China University of Technology
Xavier Obradors
Xavier Obradors Institut de Ciència de Materials de Barcelona
David C. Larbalestier
David C. Larbalestier Florida State University

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