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D-Index & Metrics

Mechanical and Aerospace Engineering

D-Index
33
Citations
5474
World Ranking
2982
National Ranking
1018

Karen A. Flack 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 Karen A. Flack 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: 129 publications — 16th percentile

16% of scientists in this discipline score the same or lower.

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

Karen A. Flack 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 Karen A. Flack 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: 33 D-Index — 14th percentile

14% 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

  • 2014 - Fellow of American Physical Society (APS) Citation For her clarifying work on the structure of three dimensional turbulent boundary layers, and for better characterizing the connections between surface roughness geometry and boundary layer drag

Overview

Karen A. Flack is affiliated with the United States Naval Academy in the United States. Their research primarily revolves around fluid mechanics and engineering, with a focus on turbulence, surface roughness effects, and fluid dynamics in various environmental and mechanical contexts.

The main fields of study for Karen A. Flack include:

  • Engineering
  • Environmental Science

Within these fields, the subfields of interest encompass:

  • Computational Mechanics
  • Ocean Engineering
  • Aerospace Engineering
  • Environmental Engineering
  • Mechanical Engineering

Their research topics cover:

  • Particle Dynamics in Fluid Flows
  • Fluid Dynamics and Turbulent Flows
  • Wind and Air Flow Studies
  • Heat Transfer Mechanisms
  • Pickering emulsions and particle stabilization
  • Fluid Dynamics and Thin Films
  • Aerodynamics and Acoustics in Jet Flows

Recent scholarly publications by Karen A. Flack include:

  • The effect of a systematic change in surface roughness skewness on turbulence and drag, 2020, International Journal of Heat and Fluid Flow
  • Important Parameters for a Predictive Model of ks for Zero-Pressure-Gradient Flows, 2022, AIAA Journal
  • Hydraulic characterization of sandpaper roughness, 2022, Experiments in Fluids

Additional papers connected to their network of frequent coauthors include:

  • Predicting the Drag of Rough Surfaces, 2021, Annual Review of Fluid Mechanics
  • Performance characteristics of a cross-flow hydrokinetic turbine in current only and current and wave conditions, 2020, Ocean Engineering

Frequent collaborators in research with Karen A. Flack include:

  • Michael P. Schultz
  • Daniel Chung
  • Elizabeth A. K. Murphy
  • Julio M. Barros
  • Cecily N. Steppe

Their publications have appeared regularly in several venues, specifically:

  • Zenodo (CERN European Organization for Nuclear Research)
  • Annual Review of Fluid Mechanics
  • International Journal of Heat and Fluid Flow
  • AIAA Journal
  • Experiments in Fluids

Karen A. Flack was recognized as a Fellow of the American Physical Society (APS) in 2014 for work clarifying the structure of three-dimensional turbulent boundary layers and characterizing the connection between surface roughness geometry and boundary layer drag.

Best Publications

  • Review of Hydraulic Roughness Scales in the Fully Rough Regime

    Karen A. Flack;Michael P. Schultz

  • The rough-wall turbulent boundary layer from the hydraulically smooth to the fully rough regime

    M. P. Schultz;K. A. Flack

  • Experimental support for Townsend’s Reynolds number similarity hypothesis on rough walls

    Karen A. Flack;Michael P. Schultz;Thomas A. Shapiro

  • Predicting the Drag of Rough Surfaces

    Daniel Chung;Nicholas Hutchins;Michael P. Schultz;Karen A. Flack

  • Examination of a critical roughness height for outer layer similarity

    K. A. Flack;M. P. Schultz;J. S. Connelly

  • Turbulence structure in rough- and smooth-wall boundary layers

    R.J. Volino;M.P. Schultz;K.A. Flack

  • Roughness effects on wall-bounded turbulent flowsa)

    Karen A. Flack;Michael P. Schultz

  • Turbulent boundary layers on a systematically varied rough wall

    Michael P. Schultz;Karen A. Flack

  • Reynolds-number scaling of turbulent channel flow

    M. P. Schultz;K. A. Flack

  • Outer layer similarity in fully rough turbulent boundary layers

    M. P. Schultz;K. A. Flack

  • Turbulence structure in a boundary layer with two-dimensional roughness

    R. J. Volino;M. P. Schultz;K. A. Flack

  • Turbulence structure in boundary layers over periodic two- and three-dimensional roughness

    Ralph J. Volino;Michael P. Schultz;Karen A. Flack

  • Moving beyond Moody

    Karen A. Flack

  • Turbulent Boundary Layers Over Surfaces Smoothed by Sanding

    Michael P. Schultz;Karen A. Flack

  • Impact of diatomaceous biofilms on the frictional drag of fouling-release coatings

    M. P. Schultz;J. M. Walker;C. N. Steppe;K. A. Flack

  • The effect of surface waves on the performance characteristics of a model tidal turbine

    Luksa Luznik;Karen A. Flack;Ethan E. Lust;Katharin Taylor

  • Review : Advances in three-dimensional turbulent boundary layers with emphasis on the wall-layer regions

    J. P. Johnston;K. A. Flack

  • Experimental and numerical studies of blade roughness and fouling on marine current turbine performance

    Jessica M. Walker;Karen A. Flack;Ethan E. Lust;Ethan E. Lust;Michael P. Schultz

  • Velocity-defect scaling for turbulent boundary layers with a range of relative roughness

    J. S. Connelly;M. P. Schultz;K. A. Flack

  • Effect of Jet Pulsing on Film Cooling—Part I: Effectiveness and Flow-Field Temperature Results

    Sarah M. Coulthard;Ralph J. Volino;Karen A. Flack

  • Turbulent boundary layers over a systematically varied rough wall

    Michael Schultz;Karen Flack

Frequent Co-Authors

Michael P. Schultz
Michael P. Schultz United States Naval Academy
Ralph J. Volino
Ralph J. Volino United States Naval Academy
Elizabeth Murphy
Elizabeth Murphy National Heart Lung and Blood Institute
Nicholas Hutchins
Nicholas Hutchins University of Melbourne
Daniel Chung
Daniel Chung University of Melbourne

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