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D-Index & Metrics

Mechanical and Aerospace Engineering

D-Index
54
Citations
9563
World Ranking
972
National Ranking
65

Homer Rahnejat 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 Homer Rahnejat sits on this spectrum.

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 publications 659+

This scientist: 383 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 659 publications or more.

Homer Rahnejat 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 Homer Rahnejat sits on this spectrum.

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.

Overview

Homer Rahnejat is affiliated with Loughborough University in the United Kingdom, specializing in engineering with a particular focus on mechanical engineering. Their research spans several interconnected subfields, including mechanics of materials, fluid flow and transfer processes, automotive engineering, and biomedical engineering.

The scientist's work centers on various topics within engineering, primarily involving tribology and lubrication engineering, gear and bearing dynamics analysis, adhesion, friction, and surface interactions, as well as lubricants and their additives. Additional areas of study include tribology and wear analysis, advanced combustion engine technologies, and hydraulic and pneumatic systems.

Rahnejat's frequent coauthors include Ramin Rahmani, Nader Dolatabadi, P.M. Johns-Rahnejat, Nicholas J. Morris, and Gajarajan Sivayogan. Collaborations with these researchers have contributed to a range of publications across several venues.

The main venues for their research publications are:

  • Lubricants
  • Proceedings of the Institution of Mechanical Engineers Part K Journal of Multi-body Dynamics
  • Journal of Tribology
  • Proceedings of the Institution of Mechanical Engineers Part D Journal of Automobile Engineering
  • Tribology International

Notable recent papers by Homer Rahnejat include:

  • Non-Newtonian Thermo-Elastohydrodynamics and Sub-Surface Stress Field of High-Performance Racing Spur Gears, 2022, Lubricants
  • The effect of outer ring elastodynamics on vibration and power loss of radial ball bearings, 2020, Proceedings of the Institution of Mechanical Engineers Part K Journal of Multi-body Dynamics
  • Current and Future Trends in Tribological Research, 2023, Lubricants
  • Lubricated Loaded Tooth Contact Analysis and Non-Newtonian Thermoelastohydrodynamics of High-Performance Spur Gear Transmission Systems, 2020, Lubricants
  • Multiphysics performance assessment of hydrogen fuelled engines, 2023, International Journal of Engine Research

Their research involves complex studies related to gear transmissions, bearing vibrations, and thermal effects in lubrication systems, with applications in high-performance engineering systems. Recent interest also extends into evaluating emerging technologies such as hydrogen-fueled engine systems.

This body of work is supported by longstanding contributions to the understanding of tribological phenomena and mechanical dynamics, facilitating developments in both theoretical foundations and applied engineering solutions within their fields of expertise.

Best Publications

  • Fundamentals of Tribology

    Ramsey Gohar;Homer Rahnejat

  • Multi-Body Dynamics: Vehicles, Machines and Mechanisms

    Homer Rahnejat

  • Bearing induced vibration in precision high speed routing spindles

    N. Lynagh;H. Rahnejat;M. Ebrahimi;R. Aini

  • The Vibrations of Radial Ball Bearings

    Homer Rahnejat;Ramsey Gohar

  • Tribology of piston compression ring conjunction under transient thermal mixed regime of lubrication

    Nicholas J. Morris;Ramin Rahmani;Homer Rahnejat;P.D. King

  • Non-linear multi-body dynamic analysis for the study of clutch torsional vibrations (judder)

    D. Centea;H. Rahnejat;M.T. Menday

  • Multi-Body Dynamics in Full-Vehicle Handling Analysis under Transient Manoeuvre

    S. Hegazy;H. Rahnejat;K. Hussain

  • Gear teeth impacts in hydrodynamic conjunctions promoting idle gear rattle

    Stephanos Theodossiades;Osman A.M. Tangasawi;Homer Rahnejat

  • Vibration monitoring of high speed spindles using spectral analysis techniques

    S. Vafaei;H. Rahnejat;R. Aini

  • A five degrees of freedom analysis of vibrations in precision spindles

    R. Aini;H. Rahnejat;R. Gohar

  • The effect of cylinder liner operating temperature on frictional loss and engine emissions in piston ring conjunction

    Ramin Rahmani;Homer Rahnejat;Brian Fitzsimons;D. Dowson

  • The “QFD/FMEA interface”

    D.M. Ginn;D.V. Jones;H. Rahnejat;M. Zairi

  • The influence of the interface coefficient of friction upon the propensity to judder in automotive clutches

    D. Centea;Homer Rahnejat;M.T. Menday

  • Transient elastohydrodynamic lubrication of rough new or worn piston compression ring conjunction with an out-of-round cylinder bore:

    Ramin Rahmani;Stephanos Theodossiades;Homer Rahnejat;Brian Fitzsimons

  • In-cycle and life-time friction transience in piston ring–liner conjunction under mixed regime of lubrication

    Gemma Styles;Ramin Rahmani;Homer Rahnejat;Brian Fitzsimons

  • Combined numerical and experimental investigation of the micro-hydrodynamics of chevron-based textured patterns influencing conjunctional friction of sliding contacts

    N Morris;M Leighton;M De la Cruz;R Rahmani

  • Multi-body dynamics: Historical evolution and application:

    Homer Rahnejat

  • In-Cylinder Friction Reduction Using a Surface Finish Optimization Technique

    Homer Rahnejat;Sashi Balakrishnan;Paul King;S.J. Howell-Smith

  • Multi-body dynamics in full-vehicle handling analysis:

    S. Hegazy;H. Rahnejat;Khalid Hussain

  • Torsional vibration analysis of a multi-body single cylinder internal combustion engine model

    A. Boysal;H. Rahnejat

Frequent Co-Authors

Ramin Rahmani
Ramin Rahmani Loughborough University
Stephanos Theodossiades
Stephanos Theodossiades Loughborough University
Rob Dwyer-Joyce
Rob Dwyer-Joyce University of Sheffield
Lawrence A. Bergman
Lawrence A. Bergman University of Illinois at Urbana-Champaign
Alexander F. Vakakis
Alexander F. Vakakis University of Illinois at Urbana-Champaign
Duncan Dowson
Duncan Dowson University of Leeds
Jacob Rosen
Jacob Rosen University of California, Los Angeles
Jafar Razmi
Jafar Razmi University of Tehran
Ashlie Martini
Ashlie Martini University of California, Merced
Carmel Majidi
Carmel Majidi Carnegie Mellon University

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