Lance Traub

Title
Professor of Aerospace Engineering
Email
Department
Aerospace Engineering Department
College
College of Engineering

Areas of Expertise

Low and high speed aerodynamics (theoretical and experimental), wind tunnel testing, wind energy, configuration design, aircraft performance prediction methods
Lance Traub
  • Ph.D. - Doctor of Philosophy in Aerospace Engineering, Texas A & M University
  • AE 302: Aerodynamics II
  • AE 314: Experimental Aerodynamics
  • AE 315: Experimental Aerodynamics Lab

Traub, L. W., "Prediction of the Oswald Efficiency Factor for Cambered and Swept Wings," Journal of Aircraft, 2023 (accepted for publication).

Traub, L. W., "Experimental study of an asymmetric tandem wing configuration for drone application," Journal of Aircraft, 2023.

Traub, L. W., "Examination and prediction of the lift components of low aspect ratio rectangular flat plate wings," Aerospace, Vol. 10, No. 7, 2023.

Dorfling, J., and Traub, L. W., "An experimental study of the performance of ducted fan arrays for distributed propulsion," AIAA Aviation Forum, 2023.

Traub, L. W. "Calculation of the Oswald efficiency factor from drag polars: a critical assessment," Journal of Aircraft, Vol. 59, No. 6, 2022.

Traub L. W., "Cruise drag reduction through chord modulation with application to distributed propulsion," Journal of Aircraft, Vol. 59, No. 5, 2022.

Traub L. W., "Sweep and thickness effects on a flat plate wings at low Reynolds number," Journal of Aircraft, Vol. 58, No. 6, 2021.

M. Bruckman, Traub, L. W. "Design of a continuous portable indraft supersonic wind tunnel," International Journal of Mechanical Engineering Education, 2021. pp. 468-481.

Traub, L. W., “Considerations in Optimal Propeller Design,” Journal of Aircraft, March, 2021, https://doi.org/10.2514/1.C036258

Traub, L. W., “Propeller Characterization for Distributed Propulsion,” Journal of Aerospace Engineering, Vol. 34, No. 3, 2021,

Traub, L. W., “Experimental Evaluation of Partial-Span Flaps on a Seventy-Degree Delta Wing,” Journal of Aircraft, Vol. 58, No. 2, 2021, pp. 397-402.

Bullens, C. G; Traub, L. W. “Effect of Sweep on Annular Wings,” Journal of Aircraft,” Aug. 2020, https://doi.org/10.2514/1.C035888

Traub, L. W; Bond, E. H., “Compact, Efficient Wing Geometries for Micro Aerial Vehicles,” Journal of Aircraft, Vol. 57, No. 4, 2020, pp. 773-781.

Bruckman II., Traub, L. W., “Design of a continuous portable indraft supersonic wind tunnel,”  International Journal of Mechanical Engineering Education, SAGE Publications Sage UK: London, England, 2020, https://doi.org/10.1177%2F0306419020907340

Traub, L. W., “Experimental Study of a Morphing Annular Wing,” Journal of Aircraft, Vol. 56, No. 6, 2019, pp. 2376-2382.

Traub, L. W., and Coffman, C., “Efficient Low-Reynolds-Number Airfoils,” Journal of Aircraft, Vol. 56, No. 5, 2019, pp. 1987-2003.

Traub, L.W., Munson, A. & McBurney, J., “Experimental study of drag reduction on a golf driver club using discrete surface elements,” J. Sports Eng. (2019) 22: 12. https://doi.org/10.1007/s12283-019-0305-6

Traub, L.W. and Campbell, C., Experimental Investigation of an Annular Tri-Wing Geometry, Journal of Aircraft, Vol. 56, No. 2, 2019, pp. 825-830.

Traub, L.W., Effects of Plain and Gurney Flaps on a Nonslender Delta Wing, (2018) Journal of Aircraft, Publication Date (online): Oct 12, 2018.

Traub, L.W., Extending the Leading-Edge Suction Analogy to Nonslender Delta Wings, (2018) Journal of Aircraft, Publication Date (online): May 29, 2018.

Traub, L.W., Design of a Low-Cost Rapid-Prototyped Wind-Tunnel Balance, (2018) Journal of Aircraft, Publication Date (online): April 27, 2018.

Traub, L.W., Okayama, S. Investigation of a morphable parawing for unmanned aerial vehicle application (2018) Journal of Aircraft, 55 (3), pp. 1217-1230.

Graham, M., Muradian, A., Traub, L.W. Experimental study on the effect of gurney flap thickness on airfoil performance (2018) Journal of Aircraft, 55 (2), pp. 897-902.

Traub, L.W. Effect of Gurney Flaps on an Elliptical Airfoil (2017) Journal of Fluids Engineering, Transactions of the ASME, 139 (10), art. no. 101102.

Traub, L.W. Examination of gurney flap pressure and shedding characteristics (2017) Journal of Aircraft, 54 (5), pp. 1990-1995.

Traub, L.W. Experimental investigation of the effect of trailing-edge flaps on delta wings (2017) Journal of Aircraft, 54 (5), pp. 1945-1959.

Traub, L.W. Inverse propeller design for a prescribed chord or blade angle (2017) Journal of Aircraft, 54 (2), pp. 823-828.

Traub, L.W. Preliminary investigation of the effects of stagger on an annular wing (2017) Journal of Aircraft, 54 (6), pp. 2386-2392.

Traub, L.W., Kaula, M.P. Effect of leading-edge slats at low Reynolds numbers (2016) Aerospace, 3 (4), art. no. 39.

Traub, L.W., Chandrashekar, S.M. Experimental study on the effects of wing sweep on Gurney flap performance (2016) Aerospace Science and Technology, 55, pp. 57-63.

Traub, L.W. Semi-empirical prediction of airfoil hysteresis (2016) Aerospace, 3 (2), art. no. 9.

Traub, L.W. Simplified propeller analysis and design including effects of stall (2016) Aeronautical Journal, 120 (1227), pp. 796-818.

Traub, L.W. Effect of a pusher propeller on a delta wing (2016) Aerospace Science and Technology, 48, pp. 115-121.

Traub, L.W. Camber effects on minimum power and thrust relations for propeller aircraft

(2016) Journal of Aircraft, 53 (1), pp. 299-304.

Traub, L.W. Estimating aerofoil lift from flow angle (2015) Aeronautical Journal, 119 (1219), pp. 1167-1173.

Traub, L.W., Waghela, R., Botero, E.M. Effects of surface flow visualization on aerodynamic loads at low Reynolds number (2015) Aeronautical Journal, 119 (1215), pp. 663-672.

Traub, L.W., Waghela, R., Bordignon, K.A. Characterization of a highly staggered spanwise cambered biplane (2015) Aeronautical Journal, 119 (1212), pp. 203-228.

Traub, L.W. Experimental and analytic investigation of ground effect (2015) Journal of Aircraft, 52 (1), pp. 235-243.

Traub, L.W. Effects of blockage on airfoils and wings at high angles of attack (2015) Journal of Aircraft, 52 (3), pp. 990-993.

Traub, L.W., Botero, E., Waghela, R., Callahan, R., Watson, A. Effect of taper ratio at low Reynolds number (2015) Journal of Aircraft, 52 (3), pp. 734-747.

Traub, L.W. Prediction of gurney-flap lift enhancement for airfoils and wings (2014) AIAA Journal, 52 (9), pp. 2087-2090.

Daniel, L., Traub, L.W. Effect of aspect ratio on gurney-flap performance (2013) Journal of Aircraft, 50 (4), pp. 1217-1225.

Daniel, L., Traub, L.W. Effectiveness of wing root gap for stall control (2013) Journal of Aircraft, 50 (4), pp. 1316-1320.

Traub, L.W., Biegner, M. Experimental evaluation of a self-contained circulation-control wing (2013) Journal of Aircraft, 50 (3), pp. 764-777.

Traub, L.W. Aerodynamic impact of aspect ratio at low reynolds number (2013) Journal of Aircraft, 50 (2), pp. 626-634.

Traub, L.W. Effect of rapid-prototyped airfoil finish on loading at low reynolds numbers (2013) Journal of Aircraft, 50 (1), pp. 307-311.

Traub, L.W. Validation of endurance estimates for battery powered UAVs (2013) Aeronautical Journal, 117 (1197), pp. 1155-1166.

Traub, L.W. Effects of sweep and nonplanarity on a delta-winged biplane (2012) Journal of Aircraft, 49 (6), pp. 2007-2017.

Traub, L.W., Sweet, M., Nilssen, K. Evaluation and characterization of a lateral synthetic jet actuator (2012) Journal of Aircraft, 49 (4), pp. 1039-1050.

Gross, J., Traub, L.W. Experimental and theoretical investigation of ground effect at low reynolds numbers (2012) Journal of Aircraft, 49 (2), pp. 576-586. Cited 5 times.

Traub, L.W. High-incidence airfoil lift and drag estimates (2012) Journal of Aircraft, 49 (1), pp. 311-314.

Traub, L.W., Nix, T. Experimental investigation of a morphable biplane (2012) Journal of Aircraft, 49 (1), pp. 183-192.

Traub, L.W. Experimental investigation of the effect of trip strips at low reynolds number (2011) Journal of Aircraft, 48 (5), pp. 1776-1784. Cited 15 times.

Traub, L.W. Range and endurance estimates for battery-powered aircraft (2011) Journal of Aircraft, 48 (2), pp. 703-707.

Traub, L.W. Development of AE411: Advanced experimental aerodynamics (2011) ASEE Annual Conference and Exposition, Conference Proceedings, 9 p.

Traub, L.W., Freienmuth, E.O. Effect of streamwise attachment gap on aerodynamic characteristics of gurney flaps (2011) Journal of Aircraft, 48 (1), pp. 348-351.

Traub, L.W., Akerson, A. Airfoil lift augmentation at low reynolds number (2010) Journal of Aircraft, 47 (6), pp. 2103-2114.

Traub, L.W., Kadapala, S. Low-Reynolds-number airfoil investigation of lower-surface leading-edge flaps (2010) Journal of Aircraft, 47 (4), pp. 1399-1408. Cited 1 time.

Toro, K., Nix, T., Traub, L.W. Experimental investigation of double-hinged vortex flap configurations (2010) Journal of Aircraft, 47 (4), pp. 1435-1439.

Traub, L.W., Snyder, R., Pellino, T. Preliminary experimental investigation of a morphable biplane: The X-wing (2010) Journal of Aircraft, 47 (3), pp. 1068-1073. Cited 7 times.

Traub, L.W., Jaybush, L. Experimental investigation of separation control using upper-surface spoilers (2010) Journal of Aircraft, 47 (2), pp. 714-717.

Traub, L.W. Drag extrapolation to higher reynolds number (2009) Journal of Aircraft, 46 (4), pp. 1458-1461.

Traub, L.W., Lawrence, J. Aerodynamic characteristics of forward and aft swept arrow wings (2009) Journal of Aircraft, 46 (4), pp. 1454-1457.

Nix, T., Toro, K., Traub, L.W. Effects of surface flats on the performance of a remotely piloted aircraft (2009) Journal of Aircraft, 46 (5), pp. 1815-1817.

Traub, L.W. Experimental investigation of annular wing aerodynamics (2009) Journal of Aircraft, 46 (3), pp. 988-996.

Traub, L.W. Effects of gurney flaps on an annular wing (2009) Journal of Aircraft, 46 (3), pp. 1085-1088.

Traub, L.W. Analytic drag prediction for cambered wings with partial leading-edge suction (2009) Journal of Aircraft, 46 (1), pp. 312-317.

Seshagiri, A., Cooper, E., Traub, L.W. Effects of vortex generators on an airfoil at low reynolds numbers (2009) Journal of Aircraft, 46 (1), pp. 116-122.

Agarwal, G., Rediniotis, O.K., Traub, L.W. An experimental investigation on the effects of pulsed air blowing separation control on NACA 0015 (2008) 46th AIAA Aerospace Sciences Meeting and Exhibit, art. no. 2008-0737,

Traub, L.W. Simple experimental method to estimate the lift of airfoils (2008) Journal of Aircraft, 45 (5), pp. 1810-1814.

Traub, L.W., Cooper, E. Experimental investigation of pressure measurement and airfoil characteristics at low Reynolds numbers (2008) Journal of Aircraft, 45 (4), pp. 1322-1333.

Traub, L.W., Agarwal, G. Aerodynamic characteristics of a gurney/jet flap at low reynolds numbers (2008) Journal of Aircraft, 45 (2), pp. 424-429.

Helbling, J., Traub, L. Impact of rapid prototyping facilities on engineering student outcomes (2008) ASEE Annual Conference and Exposition, Conference Proceedings, 11 p.

Traub, L.W. Unified approximation for nonparabolic drag polars (2007) Journal of Aircraft, 44 (1), pp. 343-346.

Traub, L.W., Agarwal, G. Exploratory investigation of geometry effects on gurney flap performance (2007) Journal of Aircraft, 44 (1), pp. 349-351.

Traub, L.W., Miller, A.C., Rediniotis, O. Preliminary parametric study of gurney-flap dependencies (2006) Journal of Aircraft, 43 (4), pp. 1242-1244.

Traub, L.W., Lund, D., Reeder, Z., Rediniotis, O. Preliminary flight tests of a hinge-less roll control effecter (2006) Journal of Aircraft, 43 (4), pp. 1244-1246.

Gilarranz, J.L., Traub, L.W., Rediniotis, O.K. A new class of synthetic jet actuators - Part II: Application to flow separation control (2005) Journal of Fluids Engineering, Transactions of the ASME, 127 (2), pp. 377-387.

Gilarranz, J.L., Traub, L.W., Rediniotis, O.K. A new class of synthetic jet actuators - Part I: Design, fabrication and bench top characterization (2005) Journal of Fluids Engineering, Transactions of the ASME, 127 (2), pp. 367-376.

Traub, L.W., Miller, A., Rediniotis, O., Kim, K., Jayasuriya, S., Jung, G. Effects of synthetic jets on large-amplitude sinusoidal pitch motions (2005) Journal of Aircraft, 42 (1), pp. 282-285.

Traub, L.W., Miller, A.C., Rediniotis, O. Effects of synthetic jet actuation on a pitching NACA 0015 airfoil (2004) AIAA Paper, pp. 4337-4353.

Traub, L., Miller, A., Singla, P., Tandale, M., Junkins, J., Rediniotis, O., Zeiger, M. Distributed hingeless flow control and rotary synthetic jet actuation (2004) AIAA Paper, pp. 2284-2313.

Traub, L.W. Analysis and Estimation of the Lift Components of Hovering Insects (2004) Journal of Aircraft, 41 (2), pp. 284-289.

Traub, L.W., Miller, A., Rediniotis, O. Effects of Active and Passive Flow Control on Dynamic-Stall Vortex Formation (2004) Journal of Aircraft, 41 (2), pp. 405-408.

Traub, L.W., Miller, A., Rediniotis, O. Effects of synthetic jet actuation on a ramping NACA 0015 airfoil (2004) Journal of Aircraft, 41 (5), pp. 1153-1162.

Traub, L.W., Miller, A.C., Rediniotis, O. Comparisons of a Gurney and Jet Flap for Hingeless Control (2004) Journal of Aircraft, 41 (2), pp. 420-423.

Balasubramanian, A., Miller, A., Traub, L., Rediniotis, O.K. Biomimetic nanostructure skin for hydrodynamic drag reduction (2003) 41st Aerospace Sciences Meeting and Exhibit, .

Traub, L.W., Miller, A., Ukpai, U.I., Rediniotis, O., Jeong, G., Kim, K. Reconfigurable synthetic jet actuation and closed-loop flow control (2003) 41st Aerospace Sciences Meeting and Exhibit.

Traub, L.W. Extending slender wing theory to not so slender wings (2003) Journal of Aircraft, 40 (2), pp. 399-402.

Traub, L.W., Rediniotis, O. Analytic prediction of surface pressures over a hemisphere-cylinder at incidence (2003) Journal of Aircraft, 40 (4), pp. 645-652.

Gilarranz, J.L., Traub, L.W., Rediniotis, O.K. Characterization of a compact, high-power synthetic jet actuator for flow separation control (2002) 40th AIAA Aerospace Sciences Meeting and Exhibit.

Traub, L.W., Gillarantz, J., Redmiotis, O. Delta wing hingeless control via synthetic jet actuation (2002) 40th AIAA Aerospace Sciences Meeting and Exhibit.

Rediniotis, O., Lagoudas, D., Mani, R., Traub, L., Allen, R., Karniadakis, G. Computational and experimental studies of an active skin for turbulent drag reduction (2002) 1st Flow Control Conference.

Traub, L.W. Lift and drag characteristics of a supersonic biplane configuration (2001) Journal of Aircraft, 38 (5), pp. 963-966.

Traub, L.W. Theoretical and experimental investigation of biplane delta wings (2001) Journal of Aircraft, 38 (3), pp. 536-546.

Allen, R., Traub, L., Johansenz, E.S., Rediniotis, O.K., Tsao, T. A MEMS-based 5-sensor probe (2000) 38th Aerospace Sciences Meeting and Exhibit.

Traub, L.W. Implications of the insensitivity of vortex lift to sweep (2000) Journal of Aircraft, 37 (3), pp. 531-533.

Traub, L.W. Effects of anhedral and dihedral on a 75-deg sweep delta wing (2000) Journal of Aircraft, 37 (2), pp. 302-312.

Traub, L.W. Aerodynamic characteristics of spanwise cambered delta wings (2000) Journal of Aircraft, 37 (4), pp. 714-724.

Traub, L.W., Moeller, B., Galls, S.F. Alleviation of pitch-up on delta wings using distributed porosity (1999) Aeronautical Journal, 103 (1025), pp. 339-348.

Traub, L.W. Prediction of tunnel wall upwash for delta wings including vortex breakdown effects (1999) Aeronautical Journal, 103 (1021), pp. 139-142.

Traub, L.W. Lift prediction of spanwise cambered delta wings (1999) Journal of Aircraft, 36 (3), pp. 515-522.

Traub, L.W., Galls, S.F.Effects of leading- and trailing-edge Gurney flaps on a delta wing (1999) Journal of Aircraft, 36 (4), pp. 651-658.

Traub, L.W., Galls, S.F., Rediniotis, O. Effects of wing-tip strakes on a sheared-tip wing (1999) Journal of Aircraft, 36 (6), pp. 1055-1062.

Traub, L.W., Mani, S., Galls, S.F., Rediniotis, O.K. Application of the vortex breakdown phenomenon in the attenuation of trailing vortices (1998) Aeronautical Journal, 102 (1018), pp. 439-444.

Traub, Lance W., Moeller, Brian, Rediniotis, Othon Low-Reynolds-number effects on delta-wing aerodynamics (1998) Journal of Aircraft, 35 (4), pp. 653-656.

Traub, L.W. Efficient lift enhancement of a blunt edged delta wing (1997) Aeronautical Journal, 101 (1009), pp. 439-445.

Traub, L.W. Effects of delta planform tip sails on the performance of a blunt edged rectangular wing (1997) Aeronautical Journal, 101 (1002), pp. 87-92.

Traub, L.W. Analytic prediction of vortex drag of high aspect ratio tapered wings (1997) Aeronautical Journal, 101 (1001), pp. 25-27.

Traub, Lance W. Prediction of delta wing leading-edge vortex circulation and lift-curve slope (1997) Journal of Aircraft, 34 (3), pp. 450-452.

Traub, L.W. Prediction of vortex breakdown and longitudinal characteristics of swept slender planforms (1997) Journal of Aircraft, 34 (3), pp. 353-359.

Traub, L.W. Effects of taper ratio on trailing vortex structure (1996) Aeronautical Journal, 100 (996), pp. 252-254.

Traub, L.W. Comparative study of delta wings with blunt leading edges and vortex flaps (1996) Journal of Aircraft, 33 (4), pp. 828-830.

Traub, L.W. Simple prediction method for location of vortex breakdown on delta wings (1996) Journal of Aircraft, 33 (2), pp. 452-454. Cited 15 times.

Nelson, C., Traub, L.W., Rediniotis, O.K. Progress toward a reduced blade-vortex-interaction rotor (1996) 34th Aerospace Sciences Meeting and Exhibit, 18 p.

Traub, L.W., Galls, S.F., Rediniotis, O.K. Reynolds number effects on vortex breakdown of a blunt-edged delta (1996) Journal of Aircraft, 33 (4), pp. 835-837.

Traub, L.W. Aerodynamic characteristics of vortex flaps on a double-delta planform (1995) Journal of Aircraft, 32 (2), pp. 449-450.

Traub, L.W. Effects of spanwise blowing on a delta wing with vortex flaps (1995) Journal of Aircraft, 32 (4), pp. 884-887.

Traub, L.W. Effect of delta planform tip sail incidence and arrangement on wing performance (1995) Journal of Aircraft, 32 (5), pp. 1160-1162.

Traub, L.W., Rediniotis, O.K., Klute, S.M., Moore, C.T., Telionis, D.P. Instabilities of vortex breakdown; Their structure and growth (1995) 1995 Fluid Dynamics Conference, pp. 1-18.

Traub, L.W. Aerodynamic effects of delta planform tip sails on wing performance (1994) Journal of Aircraft, 31 (5), pp. 1156-1159.

Traub, L.W. Analytic prediction of lift for delta wings with partial leading-edge thrust (1994) Journal of Aircraft, 31 (6), pp. 1426-1429.

Traub, L.W., van der Merwe, J. Aerodynamic characteristics of strake vortex flaps on a strake-wing configuration (1994) Journal of Aircraft, 31 (5), pp. 1116-1120.

Traub, L.W., Nurick, A. Effects of wing-tip vortex flaps (1993) Journal of Aircraft, 30 (4), pp. 557-560.

​Senior member American Institute of Aeronautics and Astronautics (AIAA)

College of Engineering Researcher of the year (2011-2012)

College of Engineering Researcher of the year (2010-2011)

Campus Researcher of the year (2010-2011)

Reviewer for:

Journal of Aircraft

AIAA Journal

Physics of Fluid

Journal of Fluids Engineering

Experiments in Fluids

SAE International Technical Transactions Program

Journal of Fluids and Structures

Aeronautical Journal

Aerospace Science and Technology

Aerospace

Proceedings of the Institution of Mechanical Engineers, Part G, Journal of Aerospace Engineering (UK)

NASA EPSCOR Program