2008 Technical Papers

Zhang, J., E. Smith, J. Horn, “Dynamics of a Ducted Rotor in Forward Flight,” AHS Conference on Aeromechanics, San Francisco, CA, January 2008.

Stone, C.P., Duque, E.P.N. and Gharakhani, A., “Towards a coupled Eulerian/Lagrangian simulation method for rotorcraft wake modeling,” AIAA Paper 2008-0659, 46th AIAA Aerospace Sciences Meeting and Convention, Jan. 7-10, 2008, Reno, NV.

Martin, P., Rhee, M., Maughmer, M., and Somers, D., “Airfoil Design and Testing for High-Lift Rotorcraft Applications,” AHS Specialists Conference on Aeromechanics, San Francisco, CA, Jan. 23-25, 2008.

Somers, D. M. and Maughmer M.D., “Experimental Results for the E 387 Airfoil at Low Reynolds Numbers in the Penn State Low-Speed, Low-Turbulence Wind Tunnel,” AHS Specialists Conference on Aeromechanics, San Francisco, CA, Jan. 23-25, 2008.

Zhang,W., R.C. Picu and N. Koratkar, “Effect of Carbon Nanotube Dimensions and Dispersion on the Fatigue Behavior of Epoxy Nanocomposites” Nanotechnology, 19, 285709, 2008.

Kim, J-K, Wang, K.W.and Smith, E.C., “Synthesis and control of piezoelectric resonant actuation systems with buckling beam motion amplifier,” AIAA Journal , 46 (3), March 2008, pp. 787-791.

Kim, J-K, Cho, M.and Smith, E.C., “An asymptotic analysis of composite beams with kinematically corrected end effects,” International Journal of Solids and Structures , 45, April 2008, pp. 1954-1977.

Nampy, S. N. and Smith, E. C., “Structural Behavior of Grid–Stiffened Tubes under Axial, Bending, and Torsion Loads,” AIAA 2008-2169, Proceedings of the 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, April 7–10, 2008, Schaumburg, IL.

Bossenbroek, K., and Bakis, C., “Damage Tolerance of Layer-Wise Hybrid Laminates Consisting of Glass Reinforced Flexible and Rigid Epoxy Resins,” Proc. 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Schaumburg, IL, April 2008.

Han, D., E. Smith, “Lagwise Loads Analysis of a Rotor Blade with an Embedded Chordwise Absorber,” 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Schaumburg, IL, April 2008.

Palacios, J., Smith, E., Rose, J., “Ultrasonic De-Icing Systems for Helicopter Rotor Blades,”Proceedings of the American Helicopter Society 64th Annual Forum, Monreal, Canada, April 29 – May 1, 2008.

Geiger, D.H., Sahasrabudhe, V., Horn, J.F., Bridges, D.O., and Polsky, S. “Advanced Modeling and Flight Control Design for Gust Alleviation on Ship-Based Helicopters,” Proceedings of the American Helicopter Society 64th Annual Forum, Monreal, Canada, April 29 – May 1, 2008.

Seongkyu Lee, James P. Erwin, and Kenneth S. Brentner, “Acoustic Scattering of Rotorcraft Noise,”American Helicopter Society 64rd Annual Forum, Montreal, Canada, April 29 – May 1, 2008.

Christopher C. Hennes and Kenneth S. Brentner, “A General Approach to Vorticity Confinement Development for High-Order Flow Solvers,” American Helicopter Society 64rd Annual Forum, Montreal, Canada, April 29 – May 1, 2008.

A. Proper and N. Koratkar, “Carbon nanotube composites- Potential for rotorcraft application”, 64th Annual Forum – AHS International; Montreal; 29 April 2008 through 1 May 2008.

Palacios, J.; Smith, E.; Rose, J., “Investigation Of An Ultrasonic Ice Protection System For Helicopter Rotor Blades” 64th Annual Forum Proceedings – AHS International, v 1, p 609-618, Apr 29-May 1, 2008, Montréal, Canada.

Horn, J. F., and Guo, Wei, “Flight Control Design for Rotorcraft with Variable Rotor Speed,”American Helicopter Society 64th Annual Forum, Montréal, Canada, April 29 – May 1, 2008.

Horn, J. F., Guo, Wei, “Flight Control Design for Rotorcraft with Variable Rotor Speed,” The American Helicopter Society 64th Annual Forum, Montreal, Canada, May 2008.

Hagon, M., Kong, W., Bakis, C., Yukish, M. and Smith, E., “Energy-Absorbing Textile Devices for Heavy Cargo Restraints”, Proceedings of the American Helicopter Society 64th Annual Forum, Monreal, Canada, April 29 – May 1, 2008.

Proper, A., and N. Koratkar “Carbon Nanotube Composites for Rotorcraft Application”,Proceedings of the American Helicopter Society 64th Annual Forum, Monreal, Canada, April 29 – May 1, 2008.

Zhang, J., Smith, E.C., Horn, J., “Dynamics of A Ducted Rotor in Forward Flight”, Proceedings of the American Helicopter Society 64th Annual Forum, Monreal, Canada, April 29 – May 1, 2008.

Brentner, K., Morris, P.J., Lopes, L., “A Method for Predicting the Noise of a Tip-Jet Driven Rotor”,Proceedings of the American Helicopter Society 64th Annual Forum, Monreal, Canada, April 29 – May 1, 2008.

Y. Guo and R. G. Parker, Dynamic Modeling and Analysis of Planetary Gears Involving Tooth Wedging and Bearing Clearance Nonlinearity, 12th Conference on Nonlinear Vibrations, Dynamics, and Multibody Systems, Blacksburg, VA, June 2008.

Akturk, A. and Camci, C., 2008, “Development of a Tip Leakage Control Device for an Axial Flow Fan, GT2008-50785 presented in 2008 ASME International Gas Turbine Conference, Berlin, Germany, 9-13 June 2008.

Kenneth S. Brentner, “Recent developments in helicopter noise prediction,” Acoustics ’08 Paris, June 29-July 4, 2008.

Nampy, S. N., Smith, E. C., and Bakis, C. E., “Next Generation Rotor Blades with Helical Grid-Stiffened Spar,” Specialists Meeting on Next Generation Rotorcraft Technologies, American Helicopter Society, 15-17 Oct. 2008, Dallas, TX. (Presentation Only).

Yasar, M., Ray, A., and Horn, J.F., “A Comprehensive Control Strategy for Integrated Flight/Propulsion Systems,” Journal of Aerospace Engineering – Proceedings of the Institute of Mechanical Engineers Part G, Vol. 222, (6), June 2008, pp. 843-859.

Tobias, E.L. and Horn, J.F., “Simulation Analysis of the Controllability of a Tandem Ducted Fan Aircraft,” Proceedings of the AIAA Atmospheric Flight Mechanics Conference, Honolulu, HI, United States, August, 2008.

Lee, S., Brentner, K.S., Farassat, F., and Morris, P.J., “Analytical Formulation and Numerical Implementation of an Acoustic Pressure Gradient Prediction,” Journal of Sound and Vibration, Vol. 319, January 2009, pp. 1200-1221. Available online July 31, 2008, doi:10.1016/j.jsv.2008.06.028.

Ross, J.A., Geiger, B.R., Sinsley, G.L., Horn, J.F., Long, L.N., and Niessner, A.F. “Vision-Based Target Geolocation and Optimal Surveillance on an Unmanned Aerial Vehicle,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, Honolulu, HI, August 2008.

Proper, A., W. Zhang, S. Bartolucci, A. Oberai and N. Koratkar, “In situ Detection of Impact Damage in Composites Using Carbon Nanotube Sensor Networks”, accepted for publication in Nanoscience and Nanotechnology Letters, in-press, 2008.

Hennes, C.C., and Brentner, K.S., “The Effect of Blade Deformation on Rotorcraft Acoustics,”Journal of the American Helicopter Society, Vol. 53, No. 4, October, 2008, pp. 398-411.

Geiger, B.R., Horn, J.F., Sinsley, G.L., Ross, J.A., and Long, L.N., “Flight Testing a Real Time Implementation of a UAV Path Planner Using Direct Collocation,” AIAA Journal of Guidance,Control, and Dynamics, Vol. 31, (6), November-December 2008, pp.1575-1586.

Maughmer M.D. and Bramesfeld, G., “Experimental Investigation of Gurney Flaps,” Journal of Aircraft, Vol. 45, No. 6, Nov.-Dec., 2008, pp. 2062-2067.

Palacios, J., Smith, E., Yang, T., “Boundary Layer Control Using Piezoelectrically Actuated Dynamic Roughness Elements,” 26th Army Science Conference, Orlando, FL, December 2008.

X. Wu and R. G. Parker, Modal Properties of Planetary Gears with an Elastic Continuum Ring Gear,ASME Journal of Applied Mechanics, 2008, vol. 75, p. 031014-1.

G. Liu and R. G. Parker, Dynamic Modeling and Analysis of Tooth Profile Modification for Multimesh Gear Vibration, ASME Journal of Mechanical Design, 2008, vol. 130, p. 121402-1.