Publications

2004

Acree, C. and Hoffman, K., "Whirl Flutter Studies for a Strategic ESTOL Transport Demonstrator," Proceedings of the American Helicopter Society 4th Decennial Specialists' Conference on Aeromechanics, San Francisco, California, January 21-23, 2004. Download

Acree, C., "Effects of Blade Sweep on V-22 Whirl Flutter and Loads," Proceedings of the American Helicopter Society 4th Decennial Specialists' Conference on Aeromechanics, San Francisco, California, January 21-23, 2004.Download

Acree, C.W., Peyran, R., Johnson, W., "Rotor Design Options for Improving XV-15 Whirl Flutter Stability Margins", NASA/TP–2004-212262. Download

Bhagwat, M., Moulton, M. and Caradonna, F., "Recent Advances in the Embedded-Wake Approach to Hover Performance Prediction," Proceedings of the American Helicopter Society 4th Decennial Specialists' Conference on Aeromechanics, San Francisco, California, January 21-23, 2004.

Floros, M. and Johnson, W., "Performance Analysis of the Slowed-Rotor Compound Helicopter Configuration," Proceedings of the American Helicopter Society 4th Decennial Specialists' Conference on Aeromechanics, San Francisco, California, January 21-23, 2004. Download

Floros, M., Gold, N. and Johnson, W., "An Exploratory Aerodynamics Limits Test with Analytical Correlation," Proceedings of the American Helicopter Society 4th Decennial Specialists' Conference on Aeromechanics, San Francisco, California, January 21-23, 2004. Download

Floros, M. and Johnson, W., "Stability Analysis of the Slowed-Rotor Compund Helicopter Configuration," Proceedings of the 60th Annual Forum of the American Helicopter Society, Baltimore, MD, June 7-10, 2004.Download

Hopkins, S. A., "An Examination of Selected Problems in Rotorcraft Aeroelastic Stability," Proceedings of the 60th Annual Forum of the American Helicopter Society, Baltimore, MD, June 7-10, 2004.

Johnson, W., "Model for Vortex Ring State Influence on Rotorcraft Flight Dynamics," Proceedings of the American Helicopter Society 4th Decennial Specialists' Conference on Aeromechanics, San Francisco, California, January 21-23, 2004. Download

Kottapali, S., "Neural Network Modeling of UH-60A Pilot Vibration," Proceedings of the American Helicopter Society 4th Decennial Specialists' Conference on Aeromechanics, San Francisco, California, January 21-23, 2004. Download

Martin, P. and Tung, C., "Performance and Flowfield Measurements on a 10-inch Ducted Rotor VTOL AV," Proceedings of the 60th Annual Forum of the American Helicopter Society, Baltimore, MD, June 7-10, 2004.Download

Ormiston, R., "An Investigation of the Mechanical Airloads Problem for Evaluating Rotor Blade Structural Dynamics Analysis," Proceedings of the American Helicopter Society 4th Decennial Specialists' Conference on Aeromechanics, San Francisco, California, January 21-23, 2004.

Ormiston, R., "Induced Power of the Helicopter Rotor," Proceedings of the 60th Annual Forum of the American Helicopter Society, Baltimore, MD, June 7-10, 2004. Download

Pisanich, G., Ippolito, C., Plice, L. Young, L. A. and Lau, B., "Actions, Observations, and Decision-Making: Biologically Inspired Strategies for Autonomous Aerial Vehicles," Proceedings of the 42nd AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, January 2004. Download

Pisanch, G., Young, L.A., Ippolito, C., Plice, L., Lau, B., and Lee, P., “Initial Efforts Towards Mission-Representative Imaging Surveys from Aerial Explorers,” SPIE (International Society of Optical Engineering) Electronic Imaging Conference, San Jose, CA, January 2004.  Download

Potsdam, M., Schaller, D., Helitek, Sukra, Rajagopalan, G. and Silva, M., "Tilt Rotor Aeromechanics Phenomena in Low Speed Flight," Proceedings of the American Helicopter Society 4th Decennial Specialists' Conference on Aeromechanics, San Francisco, California, January 21-23, 2004. Download

Potsdam, M., Yeo, H. and Johnson, W.,"High Speed Forward Flight Rotor Airloads Prediction Using Loose Coupling," Proceedings of the 60th Annual Forum of the American Helicopter Society, Baltimore, MD, June 7-10, 2004. Download

Renaud, T., O'Brien, D., Smith, M. and Potsdam, M., "Evaluation of Isolated Fuselage and Rotor-Fuselage Interaction Using CFD," Proceedings of the 60th Annual Forum of the American Helicopter Society, Baltimore, MD, June 7-10, 2004. Download

Saberi, H., Khoshlahjeh, M., Ormiston, R. and Rutkowski, M. "Overview of RCAS and Application to Advanced Rotorcraft Problems," Proceedings of the American Helicopter Society 4th Decennial Specialists' Conference on Aeromechanics, San Francisco, California, January 21-23, 2004.

Shinoda, P., Norman, T., Jacklin, S., Yeo, H., Bernhard, A. and Haber, A., "Investigation of a Full-Scale Wide Chord Blade Rotor System in the NASA Ames 40- by 80-Foot Wind Tunnel," Proceedings of the American Helicopter Society 4th Decennial Specialists' Conference on Aeromechanics, San Francisco, California, January 21-23, 2004. Download

Silva, M., Yamauchi, G., Wadcock, A. and Long, K., "Wind Tunnel Investigation of the Aerodynamic Interactions between Helicopters and Tiltrotors in a Shipboard Environment," Proceedings of the American Helicopter Society 4th Decennial Specialists' Conference on Aeromechanics, San Francisco, California, January 21-23, 2004. Download

Smith, M. J., Wong, T.C., Potsdam, M. A., Baeder, J. and Phanse, S., "Evaluation of CFD to Determine Two-Dimensional Airfoil Characteristics for Rotorcraft Applications," Proceedings of the 60th Annual Forum of the American Helicopter Society, Baltimore, MD, June 7-10, 2004. Download

Stack, J., Caradonna, F. and Savas, O., "Flow Visualizations and Extended Thrust Time Histories of Rotor Vortex Wakes in Descent," Proceedings of the American Helicopter Society 4th Decennial Specialists' Conference on Aeromechanics, San Francisco, California, January 21-23, 2004. Download

Wadcock, A., Yamauchi, G., Heineck, J., Silva, M. and Long, K., "PIV Measurements of the Wake of a Tandem-Rotor Helicopter in Proximity to a Ship," Proceedings of the American Helicopter Society 4th Decennial Specialists' Conference on Aeromechanics, San Francisco, California, January 21-23, 2004. Download

Yeo, H. and Johnson, W., "Assessment of Comprehensive Analysis Calculation of Airloads on Helicopter Rotors," Proceedings of the American Helicopter Society 4th Decennial Specialists' Conference on Aeromechanics, San Francisco, California, January 21-23, 2004. Download

Yeo, H., Bousman, W. G. and Johnson, W., "Performance Analysis of a Utility Helicopter with Standard and Advanced Rotors," Journal of the American Helicopter Society, July 2004. Download

Young, L.A. and Pisanich, G., “Aerial Explorers and Robotic Ecosystems,” Second International Conference on Computing, Communication and Control Technologies, Austin, TX, August 14-17, 2004. Download

Young, L.A., Aiken, E.W., and Briggs, G.A., “Smart Rotorcraft Field Assistants for Terrestrial and Planetary Science,” 2004 IEEE Aerospace Conference, Big Sky, MT, March 2004. Download