Faculty Profile
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Dr. J. Gordon Leishman |
Education
B. Sc., University of Glasgow, UK (Aeronautics and Fluid Mechanics)
Ph.D., University of Glasgow, UK (Aeronautics and Fluid Mechanics)
D.Sc.(Eng)., University of Glasgow, UK (Aerospace Engineering)
Books
Leishman, J. Gordon. Principles of Helicopter Aerodynamics, 2nd Edition. Revised and expanded edition with 350 extra pages over 1st edition (859 pages total) and 4 new chapters. March 2006 publication by Cambridge University Press (North America) in hardback. SBN-13: 9780521858601 | ISBN-10: 0521858607
Leishman, J. G., Principles of Helicopter Aerodynamics – 2nd Edition, Cambridge University Press, New York, NY, 2005 (to appear). Expanded edition with 4 new chapters and 250 additional pages to 860 pages.
Leishman, J. Gordon. Instructors Manual to Accompany Principles of Helicopter Aerodynamics, 2nd Edition. 260 pages. ISBN to be assigned
Leishman, J. G., Principles of Helicopter Aerodynamics, Published by Cambridge University Press, New York, NY, Hardback Edition 2000, Soft Cover 3rd reprinting 2002.
Articles in Journals
Tarascio, M., Ramasamy, M., Chopra, I., and Leishman, J. G., "Flow Visualization Studies on Insect Based Flapping Wing Micro-Air Vehicle," Journal of Aircraft, Vol. 42, No. 2, March 2005, pp. 355-360.
Gupta, S. and Leishman, J. G., "Accuracy of the Induced Velocity from Helicoidal Wake Vortices Using Straight-line Segmentation," AIAA Journal, Vol. 43, No. 1, January 2005, pp. 29-40.
Ananthan, S. and Leishman, J. G., "Predictions of Transient Rotor Wake Aerodynamics in Response to Time-Dependent Blade Pitch Inputs," Journal of Aircraft, Vol. 41, No. 5, 2005, pp. 1025–1041.
Griffiths, D. A., Ananthan, S., and Leishman, J. G., "Predictions of Rotor Performance in Ground Effect Using a Free-Vortex Wake Model," Journal of the American Helicopter Society, Vol. 49, No. 3, October 2005.
Ramasamy, M., and Leishman, J. G., "A Multi-Region Vortex Model for Transitional Rotor Blade Tip Vortices," Journal of the American Helicopter Society, Vol. 51, No. 1, Jan. 2006.
Ramasamy, M., Leishman, J. G., and Singh, B., "Wake Structure Diagnostics of a Flapping Wing MAV," 2005 Transactions, Journal of Aerospace, Vol. 114, No. 1, Feb. 2006, pp. 907-919. ISBN Number: 0-7680-1687-8
Ramasamy, M., Leishman, J. G., and Singh, B., "Wake Structure Diagnostics of a Flapping Wing MAV," 2005 Transactions Journal of Aerospace, Vol. 114, No. 1, Feb. 2006, pp. 907-919. ISBN Number: 0-7680-1687-8
Jose, A., Leishman, J. G., and Baeder, J. D., "Unsteady Aerodynamic Modeling With Time-Varying Free-Stream Mach Numbers," Journal of the American Helicopter Society, 2005.
Ramasamy, M., and Leishman, J. G., "Phase Locked Particle Image Velocimetry Measurements in the Flow Field of a Flapping Wing," Journal of Aircraft, 2005.
Ramasamy, M., and Leishman, J. G., "A Reynolds Number Based Blade Tip Vortex Model," Journal of the American Helicopter Society, 2005.
Leishman, J. G., "The Autogiro: The First Rotating-Wing Aircraft Part 4 - Comparing Autogiros and Helicopters," Vertiflite, Spring 2005.
Ananthan, S. and Leishman, J. G., "Helicopter Wake Dynamics during Tactical Maneuvers," Journal of the American Helicopter Society, 2005 (To appear).
Ananathan, S., and Leishman, J. G., "Rotor Wake Aerodynamics in Large Amplitude Maneuvering Flight," Journal of the American Helicopter Society, 2005 (To appear).
Leishman, J. G., “The Development of the Autogiro: A Technical Perspective,” Journal of Aircraft, Vol. 41, No. 2, 2004.
Leishman, J. G., Bhagwat. M. & Ananthan, S., “Vortex Ring State as a Spatially and Temporally Developing Wake Instability,” Journal of the American Helicopter Society, Vol. 49, No. 1, Jan. 2004.
Ananthan, S. & Leishman, J. G., “Role of Vortex Filament Stretching in the Modeling of Rotor Wakes,” Journal of the American Helicopter Society, Vol. 49, No. 1, Jan. 2004.
Ananthan. S. & Leishman, J. G., “Predictions of Transient Rotor Wake Aerodynamics in Response to Time-Dependent Blade Pitch Inputs,” Journal of Aircraft, Vol. 42, No. 2, 2004.
Ramasamy, M. & Leishman, J. G., “Interdependence of Diffusion and Straining of Helicopter Blade Tip Vortices,” Journal of Aircraft, Vol. 42, No. 2, 2004.
Han, O. Y. & Leishman, J. G., “Experimental Investigation of Tip Vortex Alleviation Using a Slotted Tip Rotor Blade,” AIAA Journal, Vol. 42, No. 4, 2004
Leishman, J. G., Martin, P. B. & Pugliese, G., “High Resolution Trailing Vortex Measurements in the Wake of a Hovering Rotor,” Journal of the American Helicopter Society, Vol. 48, No. 1, Jan. 2003, pp. 39–52.Leishman, J. G., “The Cierva W-11 Air Horse,” Vertiflite, Vol. 49, No. 1, 2003, pp. 52–55.
Leishman, J. G., “The Passing of a Pioneer: Professor Alfred Gessow,” Vertiflite, Vol. 48, No. 4, 2003, pp. 60–62
Leishman, J. G., “The Autogiro: The First Rotating-Wing Aircraft Part 1 – That Curious Phenomenon of Autorotation,” Vertiflite, Vol. 49, No. 2, 2003, pp. 46–48.
Leishman, J. G., “The Autogiro: The First Rotating-Wing Aircraft Part 2 – Capsizing Rotors and Flapping Blades,” Vertiflite, Vol. 49, No. 4, 2003, pp. 46–49.
Leishman, J. G., “Book Review: From Autogiro to Gyroplane – The Amazing Survival of an Aviation Technology,” Vertiflite, Vol. 49, No. 4, 2003, pp. 66–67.
Leishman, J. G., “The Autogiro: The First Rotating-Wing Aircraft Part 3 – Scorpion Tails and Jumping Takeoffs,” Vertiflite, Vol. 49, No. 3, 2003, pp. 36–39.
Leishman, J. G., “The Breguet-Richet Quadrotor Helicopter of 1907,” Vertiflite, Vol. 47, No. 3, 2002 pp. 58–60.
Martin, P. B., Bhagwat, M. J. & Leishman, J. G. “Strobed Laser Sheet Visualization of a Helicopter Rotor Wake, Journal of Flow Visualization and Image Processing, Vol. 7, No. 1, 2002 pp. 31–50.
Leishman, J. G., “Challenges in Modeling the Unsteady Aerodynamics of Wind Turbines,” (Invited Paper) Wind Energy (Special Issue), John Wiley & Sons, Vol. 5, 2002, pp. 86–132.
Leishman, J. G., “The Wier W-5 and W-6 Helicopters,” Vertiflite, Vol. 48, No. 4, 2002, pp. 66–69.
Bhagwat, M. J. & Leishman, J. G. “Numerically Efficient Free Vortex Wake Solutions Using Higher-Order Extrapolation,” Journal of the American Helicopter Society, Vol. 47, No. 4, Oct. 2001, pp. 297–302.
Leishman, J. G., Bhagwat, M. J. & Bagai, A., “Free-Vortex Methods for Helicopter Rotor Wake Analyses,” (Invited Paper) Journal of Aircraft, Special Edition on Rotorcraft Wakes, Vol. 39, No. 5, 2002, pp. 759–775.
Leishman, J. G., “Introduction: Rotor Wakes,” Invited Editorial, Journal of Aircraft, Special Edition on Rotorcraft Wakes, Vol. 39, No. 5, 2002, p. 721.
Leishman, J. G., “The Cornu Helicopter – First in Flight?” Vertiflite, Vol. 47, No. 4, Fall 2001, pp. 54–55.
Articles in conference proceedings
Ramasamy, M., and Leishman, J. G., "Benchmarking PIV with LDV Measurements in the Wake of Hovering Rotor," 25th Applied Aerodynamics Conference, San Francisco, CA, June 7-9, 2006.
Duraisamy, K., Ramasamy, M., Baeder, J., and Leishman, J. G., "Computational/Experimental Study of Hovering Rotor Tip Vortex Formation," 62nd Annual National Forum of the American Helicopter Society, Phoenix, AZ, May 9-11, 2006.
Ramasamy, M., Leishman, J.G., and Timothy E. Lee., "Flow Field of a Rotating Wing Micro-Air Vehicle," 62nd Annual National Forum of the American Helicopter Society, Phoenix, AZ, May 9-11, 2006.
Leishman, J. G. and Ananthan, S., "Aerodynamic Optimization of a Coaxial Proprotor," 62nd Annual National Forum of the American Helicopter Society, Phoenix, AZ, May 9-11, 2006.
Leishman, J. G., "Etienne Oehmichen: Scientist, Engineer, and Helicopter Pioneer," 62nd Annual National Forum of the American Helicopter Society, Phoenix, AZ, May 9-11, 2006.
Hsuan-Nien Chen, Kenneth S. Brentner, Justin S. Shirey, Joseph F. Horn, Shreyas Ananthan, and J. Gordon Leishman, "Study of the Aerodynamics and Acoustics of Super-BVI," 62nd Annual National Forum of the American Helicopter Society, Phoenix, AZ, May 9-11, 2006.
Gupta, S. and Leishman, J. G., "Dynamic Stall Modeling of the S809 Airfoil and Comparison with Experiments," Proceedings of the 25th ASME Wind Energy Symposium, Reno, NV, Jan. 9-12, 2006.
Gupta, S. and Leishman, J. G., "Performance predictions of the NREL Phase VI combined experiment rotor using a free-vortex model," Proceedings of the 25th ASME Wind Energy Symposium, Reno, NV, Jan. 9-12, 2006.
Gupta, S. and Leishman, J. G., "Validation of a Free-Vortex Wake Model for Wind Turbines in Yawed Flow," Proceedings of the 25th ASME Wind Energy Symposium, Reno, NV, Jan. 9-12, 2006.
Ramasamy, M., Leishman, J. G., and Singh, B., "Wake Structure Diagnostics of a Flapping Wing MAV," International Powered Lift Conference, Dallas, TX, Oct. 3-6, 2005.
Chen, H-N., Brentner, K. S., Ananthan, S., and Leishman, J. G., "A Computational Study of Helicopter Rotor Wakes and Noise Generated During Transient Maneuvers," 61st Annual Forum of the American Helicopter Society, Grapevine, TX, June 1-3, 2005.
Leishman, J. G. "The Autogiro, Helicopter and Convertiplane Designs of Raoul Hafner," 61st Annual National Forum of American Helicopter Society, Grapevine, TX, June 1-3, 2005.
Jose, A., Leishman, J. G., and Baeder, J. D., "Unsteady Aerodynamic Modeling With Time-Varying Free-Stream Mach Numbers," 61st Annual National Forum of American Helicopter Society, Grapevine, TX, June 1-3, 2005.
Ramasamy, M., and Leishman, J.G., "A Reynolds Number Based Rotor Blade Tip Vortex Model," 61st Annual National Forum of the American Helicopter Society, Grapewine, TX, June 1-3, 2005.
Singh, B., Ramasamy, M., Chopra, I., and Leishman, J. G., "Insect-Based Flapping Wings for Micro Hovering Air Vehicles: Experimental Investigations," The American Helicopter Society International Specialists Meeting on Unmanned Rotorcraft, Phoenix, AZ, Jan. 2005.
Gupta, S. and Leishman, J. G., "Stall Modeling of a Parked Wind Turbine Blade and Comparison with Experiment," Proceedings of the 24th ASME Wind Energy Symposium, Reno, NV, Jan. 10-13, 2005.
Gupta, S. and Leishman, J.~G., "Comparison of Momentum and Vortex Methods for the Aerodynamic Analysis of Wind Turbines," Proceedings of the 24th ASME Wind Energy Symposium, Reno, NV, Jan. 10-13, 2005.
Singh, B., Ramasamy, M., Chopra, I., and Leishman, J. G., "Experimental Studies on Insect Based Flapping Wings For Micro Hovering Vehicles," American Helicopter Society International Specialists Meeting on Unmanned Rotorcraft, Phoenix, AZ, January 2005.
Presentations
Leishman, J. G., "Understanding Helicopter Rotor Vortices," Invited presentation at Concordia University, Montreal, Canada, Feb. 2005.
Scientific and Professional Socieities
Fellow of Aeronautical Society of Great Britain (RAeS)
Member American Helicopter Society (AHS).
Associate Fellow of American Institute of Aeronautics and Astronautics (AIAA)
Honors and Awards
2006 Cierva Memorial Lectureship of the Royal Aeronautical Society of Britain
Cheeseman Award. For the Best Technical Paper at the 2002 European Rotorcraft Forum, Bristol, England. Co-recipient with R. Brown, S. Newman & F. J. Perry.
Keynote Lecture & Certificate of Appreciation. “Challenges in Modeling the Unsteady Aerodynamics of Wind Turbines,” Presented by the Membership of the ASME at the ASME 21st ASME Wind Energy Symposium, Reno, NV, 2002.
Pilcher Memorial Lectureship. Public Lecture: “On Rotating Wings – The Development of the Helicopter,” University of Glasgow, March 2002.
Pilcher Medal. Presented Annually to an Outstanding Alumnus by the Dept. of Aerospace Engineering, University of Glasgow, 2002.
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