Karen A. Flack



Mechanical Engineering Department

United States Naval Academy

590 Holloway Road

Annapolis, MD 21402-5042

(410) 293-6509

Fax (410) 293-3041





Stanford University,   (Jul 89 - Jul 93)

Department of Mechanical Engineering

Doctor of Philosophy, Mechanical Engineering

Dissertation "Near‑Wall Investigation of Three‑Dimensional

Turbulent Boundary Layers"                    



University of California, Berkeley,  (Aug 08 – Jun 89))

Masters of Science, Mechanical Engineering



Rice University,  (Aug 82 - May 86)

Bachelors of Science, Mechanical Engineering



Research Areas:     

Turbulent Boundary Layers

Evaporative Heat Transfer

Gas Turbine Cooling



Professional Experience:     

Professor, U.S. Naval Academy (Aug 04 – present))

Associate Professor, U.S. Naval Academy (Aug 98 – Aug 04)

Assistant Professor, U.S. Naval Academy (Aug 93 – Aug 98)

Wind Tunnel Test Engineer, NASA Ames Research Center, (Jan 88- Aug 88)

Mission Controller, NASA Johnson Space Center, (Jun 86 – Jan 88))



Recent Journal Publications:


Flack, K.A., Schultz, M.P., Connelly, J.S., “Examination of a Critical Roughness Height for Boundary Layer Similarity,” Physics of Fluids, Vol. 19, 095104, 2007.


Schultz, M.P., Flack, K.A., "The Rough-Wall Turbulent Boundary Layer from the Hydraulically Smooth to the Fully Rough Regime," Journal of Fluid Mechanics, Vol. 580, pp. 381-405, 2007.


Coulthard, S.M, Volino, R.J., Flack, K.A., “Effect of Jet Pulsing on Film Cooling, Part 1, Effectiveness and Flowfield Temperature Results,” ASME Journal of Turbomachinery, Vol. 129 (2), pp. 232-246, 2007.


Connelly, J.S., Schultz, M.P., Flack, K.A., “Velocity Defect Scaling for Turbulent Boundary Layers with a Range of Relative Roughness, Experiments in Fluids, Vol. 40, pp. 188-195, 2006.


Flack, K.A., Schultz, M.P., and Shapiro. T.A., “Experimental Support for Townsend’s Reynolds Number Similarity Hypothesis on Rough Walls, Physics of Fluids, Vol. 17, 2005. 



                                       2004 ASME Journal of Fluids Engineering Best Research Paper, Robert T. Knapp Award


                                       2001 Pi Tau Sigma Teaching Excellence Award