World's Best Scientists 2026 revealed!

D-Index & Metrics

Mechanical and Aerospace Engineering

D-Index
47
Citations
8472
World Ranking
1365
National Ranking
18

Hong G. Im 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 Hong G. Im 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: 330 publications — 78th percentile

78% of scientists in this discipline score the same or lower.

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

Hong G. Im 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 Hong G. Im 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: 47 D-Index — 61st percentile

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

The last bar groups every scientist with 93 D-Index or more.

Research.com Recognitions

  • 2012 - Fellow of the American Society of Mechanical Engineers

Overview

Hong G. Im is affiliated with King Abdullah University of Science and Technology in Saudi Arabia. Their research primarily focuses on engineering and chemical engineering, with substantial contributions in the specialized areas of computational mechanics, fluid flow and transfer processes, aerospace engineering, automotive engineering, and biomedical engineering.

The scientist's extensive publication record reflects significant work in advanced combustion engine technologies, combustion and flame dynamics, and combustion and detonation processes. Other research topics include vehicle emissions and performance, heat transfer and supercritical fluids, biodiesel production and applications, and fluid dynamics and heat transfer.

Frequent coauthors collaborating with Hong G. Im include Francisco E. Hernández Pérez, Xinlei Liu, Emre Cenker, Junjun Guo, and Abdullah S. AlRamadan.

Prominent venues where Hong G. Im has published multiple articles are:

  • Combustion and Flame
  • SAE technical papers on CD-ROM/SAE technical paper series
  • Proceedings of the Combustion Institute
  • Fuel
  • International Journal of Engine Research

Selected recent papers authored by Hong G. Im cover a range of topics related to combustion and fluid processes, including:

  • "On the formation of hydrogen peroxide in water microdroplets," 2022, Chemical Science
  • "Computational characterization of hydrogen direct injection and nonpremixed combustion in a compression-ignition engine," 2021, International Journal of Hydrogen Energy
  • "Computational assessment of effects of throat diameter on combustion and turbulence characteristics in a pre-chamber engine," 2022, Applied Thermal Engineering
  • "Effects of Geometry on Passive Pre-Chamber Combustion Characteristics," 2020, SAE technical papers on CD-ROM/SAE technical paper series
  • "Computational comparison of the conventional diesel and hydrogen direct-injection compression-ignition combustion engines," 2021, Fuel

Among the recognitions received by the scientist is the designation as Fellow of the American Society of Mechanical Engineers, awarded in 2012.

Best Publications

  • Characteristic boundary conditions for simulations of compressible reacting flows with multi-dimensional, viscous and reaction effects

    Chun Sang Yoo;H. G. Im

  • Direct numerical simulation of ignition front propagation in a constant volume with temperature inhomogeneities: I. Fundamental analysis and diagnostics

    Jacqueline H. Chen;Evatt R. Hawkes;Ramanan Sankaran;Scott D. Mason

  • Characteristic boundary conditions for direct simulations of turbulent counterflow flames

    Chun Sang Yoo;Y Wang;A Trouve;HG Im

  • Structure and propagation of triple flames in partially premixed hydrogen-air mixtures

    H.G. Im;J.H. Chen

  • The effects of non-uniform temperature distribution on the ignition of a lean homogeneous hydrogen–air mixture

    Ramanan Sankaran;Hong G. Im;Evatt R. Hawkes;Jacqueline H. Chen

  • Correlation of flame speed with stretch in turbulent premixed methane/air flames

    Jacqueline H. Chen;Hong G. Im

  • Stretch effects on the burning velocity of turbulent premixed hydrogen/air flames

    Jacqueline B. Chen;Hong G. Im

  • Preferential diffusion effects on the burning rate of interacting turbulent premixed hydrogen-air flames

    Hong G. Im;Jacqueline H. Chen

  • Ignition of hydrogen-air mixing layer in turbulent flows

    H. G. Im;J. H. Chen;Chung King Law

  • Ozone Production With Dielectric Barrier Discharge: Effects of Power Source and Humidity

    Xuming Zhang;Bok Jik Lee;Hong G. Im;Min Suk Cha

  • Effects of flow strain on triple flame propagation

    Hong G Im;Jacqueline H Chen

  • Large eddy simulation of turbulent front propagation with dynamic subgrid models

    Hong G. Im;Thomas S. Lund;Joel H. Ferziger

  • Heavy fuel oil pyrolysis and combustion: kinetics and evolved gases investigated by TGA-FTIR

    Abdul Gani Abdul Jameel;Yunqing Han;Omar Brignoli;Omar Brignoli;Selvedin Telalović

  • Response of counterflow diffusion flames to oscillating strain rates

    H. G. Im;Chung King Law;J. S. Kim;F. A. Williams

  • Autoignition and front propagation in low temperature combustion engine environments

    Gaurav Bansal;Hong G. Im

  • A scalable silicon microreactor for preferential CO oxidation: performance comparison with a tubular packed-bed microreactor

    Sujit Srinivas;Amit Dhingra;Hong Im;Erdogan Gulari

  • Effects of hydrogen addition on the markstein length and flammability limit of stretched methane/air premixed flames

    Ramanan Sankaran;Hong G. Im

  • EFFECTS OF FLOW TRANSIENTS ON THE BURNING VELOCITY OF LAMINAR HYDROGEN/AIR PREMIXED FLAMES

    Hong G. Im;Jacqueline H. Chen

  • Development and application of a comprehensive soot model for 3D CFD reacting flow studies in a diesel engine

    Sangjin Hong;Margaret S. Wooldridge;Hong G. Im;Dennis N. Assanis

  • Computational characterization of hydrogen direct injection and nonpremixed combustion in a compression-ignition engine

    Rafig Babayev;Arne Andersson;Albert Serra Dalmau;Hong G. Im

  • Dynamic flammability limits of methane/air premixed flames with mixture composition fluctuations

    Ramanan Sankaran;Hong G. Im

Frequent Co-Authors

Bengt Johansson
Bengt Johansson Technical University of Denmark
Margaret S. Wooldridge
Margaret S. Wooldridge University of Michigan–Ann Arbor
S. Mani Sarathy
S. Mani Sarathy King Abdullah University of Science and Technology
Jacqueline H. Chen
Jacqueline H. Chen Sandia National Laboratories
Nilanjan Chakraborty
Nilanjan Chakraborty Newcastle University
Jyh-Yuan Chen
Jyh-Yuan Chen University of California, Berkeley
Dimitris A. Goussis
Dimitris A. Goussis Khalifa University
Dennis N. Assanis
Dennis N. Assanis University of Delaware
Chung King Law
Chung King Law Princeton University
Chun Sang Yoo
Chun Sang Yoo Ulsan National Institute of Science and Technology

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