World's Best Scientists 2026 revealed!

D-Index & Metrics

Mechanical and Aerospace Engineering

D-Index
64
Citations
18192
World Ranking
537
National Ranking
238

Tim Lieuwen 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 Tim Lieuwen 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: 441 publications — 90th percentile

90% of scientists in this discipline score the same or lower.

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

Tim Lieuwen 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 Tim Lieuwen 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: 64 D-Index — 85th percentile

85% 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

  • 2020 - Fellow of American Physical Society (APS) Citation For outstanding contributions to the understanding of reacting shear flows, particularly the interactions of hydrodynamic stability, thermoacoustic stability, and flames
  • 2019 - Fellow of the Combustion Institute for exceptional research on combustion instability and turbulent combustion
  • 2018 - Member of the National Academy of Engineering For contributions to research and development in low-emissions gas turbine combustion systems and US energy policy.
  • 2018 - Gold George Westinghouse Medal, The American Society of Mechanical Engineers
  • 2011 - Fellow of the American Society of Mechanical Engineers
  • 2010 - Silver George Westinghouse Medal, The American Society of Mechanical Engineers

Overview

Tim Lieuwen is affiliated with the Georgia Institute of Technology in the United States and has an extensive research portfolio in engineering and chemical engineering disciplines. Their work focuses significantly on computational mechanics and fluid dynamics related to combustion and turbine technologies.

The main fields of study for this researcher include Engineering, with 155 publications, and Chemical Engineering, with 40 publications. Subfields emphasize computational mechanics (94 publications), fluid flow and transfer processes (38), aerospace engineering (26), safety, risk, reliability and quality (19), and materials chemistry (8).

Their research topics cover a range of subjects related to combustion and flame dynamics, including advanced combustion engine technologies and fluid dynamics. Specific research areas include:

  • Combustion and flame dynamics
  • Advanced Combustion Engine Technologies
  • Fire dynamics and safety research
  • Fluid Dynamics and Turbulent Flows
  • Aerodynamics and Acoustics in Jet Flows
  • Combustion and Detonation Processes
  • Catalytic Processes in Materials Science

Tim Lieuwen has contributed papers to several key publication venues known in their fields, such as:

  • Journal of Engineering for Gas Turbines and Power (15 publications)
  • Combustion and Flame (9 publications)
  • Journal of Fluid Mechanics (9 publications)
  • Proceedings of the Combustion Institute (6 publications)
  • AIAA Scitech 2020 Forum (4 publications)

Recent papers authored or co-authored by Tim Lieuwen include:

  • "Assessment of Current Capabilities and Near-Term Availability of Hydrogen-Fired Gas Turbines Considering a Low-Carbon Future," 2020, Journal of Engineering for Gas Turbines and Power
  • "Minimizing the impacts of the ammonia economy on the nitrogen cycle and climate," 2023, Proceedings of the National Academy of Sciences
  • "Pollutant Emissions Reporting and Performance Considerations for Hydrogen-Hydrocarbon Fuels in Gas Turbines," 2022, Journal of Engineering for Gas Turbines and Power
  • "Air Quality Implications of Using Ammonia as a Renewable Fuel: How Low Can NOx Emissions Go?", 2023, ACS Energy Letters
  • "Numerical investigation of NOx production from premixed hydrogen/methane fuel blends," 2023, Combustion and Flame

Frequent collaborators include Benjamin Emerson, Vishal Acharya, David Wu, David R. Noble, and Christopher A. Fugger, reflecting strong collaborative ties within their research network.

In addition to journal articles, Tim Lieuwen has contributed to book publications, notably one titled "Unsteady Combustor Physics," published by Cambridge University Press in 2021.

Awards and honors received by Tim Lieuwen include:

  • Fellow of the American Physical Society (APS), 2020, for contributions to understanding reacting shear flows and thermoacoustic stability
  • Fellow of the Combustion Institute, 2019, recognizing work on combustion instability and turbulent combustion
  • Member of the National Academy of Engineering, 2018, for contributions to low-emissions gas turbine combustion systems and US energy policy
  • Gold George Westinghouse Medal from The American Society of Mechanical Engineers, 2018
  • Fellow of the American Society of Mechanical Engineers, 2011
  • Silver George Westinghouse Medal from The American Society of Mechanical Engineers, 2010

Best Publications

  • Combustion Instabilities In Gas Turbine Engines: Operational Experience, Fundamental Mechanisms, and Modeling

    Timothy C. Lieuwen;Vigor Yang

  • Unsteady Combustor Physics

    Timothy C. Lieuwen

  • Lean blowoff of bluff body stabilized flames: Scaling and dynamics

    Santosh J. Shanbhogue;Sajjad Husain;Tim Lieuwen

  • A Mechanism of Combustion Instability in Lean Premixed Gas Turbine Combustors

    T. Lieuwen;H. Torres;C. Johnson;B. T. Zinn

  • Modeling Premixed Combustion-Acoustic Wave Interactions: A Review

    T. Lieuwen

  • Laminar flame speeds of H2/CO mixtures : Effect of CO2 dilution, preheat temperature, and pressure

    J. Natarajan;T. Lieuwen;J. Seitzman

  • The role of equivalence ratio oscillations in driving combustion instabilities in low NOx gas turbines

    Tim Lieuwen;Ben T. Zinn

  • Fuel Flexibility Influences on Premixed Combustor Blowout, Flashback, Autoignition, and Stability

    Tim Lieuwen;Vince McDonell;Eric Petersen;Domenic Santavicca

  • Experimental Investigation of Limit Cycle Oscillations in an Unstable Gas Turbine Combustor

    Tim C. Lieuwen

  • Transverse combustion instabilities: Acoustic, fluid mechanic, and flame processes

    Jacqueline O'Connor;Vishal Acharya;Timothy Lieuwen

  • Synthesis Gas Combustion : Fundamentals and Applications

    Timothy C. Lieuwen;Vigor Yang;Richard A. Yetter

  • Burner Development and Operability Issues Associated with Steady Flowing Syngas Fired Combustors

    Tim Lieuwen;Vince McDonell;Domenic Santavicca;Thomas Sattelmayer

  • Dynamics of Laminar Premixed Flames Forced by Harmonic Velocity Disturbances

    Preetham;H. Santosh;Tim Lieuwen

  • Laminar premixed flame response to equivalence ratio oscillations

    Ju Hyeong Cho;Tim Lieuwen

  • Near-Blowoff Dynamics of a Bluff-Body Stabilized Flame

    Suraj Nair;Tim C. Lieuwen

  • Characterization of acoustically forced swirl flame dynamics

    Sai Kumar Thumuluru;Tim Lieuwen

  • Flame transfer function saturation mechanisms in a swirl-stabilized combustor

    Benjamin D. Bellows;Mohan K. Bobba;Annalisa Forte;Jerry M. Seitzman

  • The Role of Unmixedness and Chemical Kinetics in Driving Combustion Instabilities in Lean Premixed Combustors

    T. Lieuwen;Y. Neumeier;B. T. Zinn

  • Pressure and preheat dependence of laminar flame speeds of H2/CO/CO2/O2/He mixtures

    J. Natarajan;Y. Kochar;T. Lieuwen;J. Seitzman

  • Nonlinear kinematic response of premixed flames to harmonic velocity disturbances

    Tim Lieuwen

  • Experimental investigation of limit cycle oscillations in an unstable gas turbine combustor

    Tim Lieuwen;Ben Zinn

  • Fuel Flexibility Influences on Premixed Combustor Blowout, Flashback, Autoignition, and Stability paper addresses the impact of fuel composition on the operability of lean premixed

    Tim Lieuwen;Vince McDonell;Eric Petersen;Domenic Santavicca

Frequent Co-Authors

Jerry Seitzman
Jerry Seitzman Georgia Institute of Technology
Ben T. Zinn
Ben T. Zinn Georgia Institute of Technology
Naibo Jiang
Naibo Jiang The Ohio State University
Vigor Yang
Vigor Yang Georgia Institute of Technology
James R. Gord
James R. Gord United States Air Force Research Laboratory
Raman Sujith
Raman Sujith Indian Institute of Technology Madras
Vincent McDonell
Vincent McDonell University of California, Irvine
Suresh Menon
Suresh Menon Georgia Institute of Technology
Domenic A. Santavicca
Domenic A. Santavicca Pennsylvania State University
Eric L. Petersen
Eric L. Petersen Texas A&M University

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