Helicopter performance improvement with variable chord morphing rotors

36th European Rotorcraft Forum, ERF 2010

Volumn 2, Issue , 2010, Pages 919-930

  Khoshlahjeh, Maryam ^a   Baet, Eui Sung ^a   Gandhi, Farhan ^a   Webster, Steven ^b  

^a The Pennsylvania State University   (United States)

^b LEONARDO S P A   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

AIRFOILS; ANGLE OF ATTACK; COMPUTATIONAL FLUID DYNAMICS; DRAG; HELICOPTERS; NAVIER STOKES EQUATIONS; ROTORS; SPEED;

AERODYNAMIC COEFFICIENTS; HELICOPTER SIMULATION; HIGH-SPEED CONDITIONS; NAVIER-STOKES COMPUTATIONAL FLUID DYNAMICS; PERFORMANCE IMPROVEMENTS; PERFORMANCE SIMULATION; POWER REQUIREMENT; RANGE OF ANGLES OF ATTACK;

HELICOPTER ROTORS;

EID: 84892880566     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (13)

1. Leon, O., Hayden, E., and Gandhi, F., "Rotorcraft Operating Envelope Expansion Using Extendable Chord Sections, " Proceedings of the 65rt Annual AHS International Forum and Technology Display, Grapevine, Texas, May 27-29, 2009.
2. Bae, E.-S., Gandhi, F., Maughmer, M., "Optimally Scheduled Deployment of Gurney Flaps for Rotorcraft Power Reduction, " Proceedings of the 65th Annual Forum of the American Helicopter Society, Grapevine, Texas, May 27-29, 2009.
3. Bae, E.-S., and Gandhi, F., "Optimally Actuated Spanwise-Segmented Aerodynamic Effectors for Rotorcraft Power Reduction, " Proceedings of the óó Annual Forum of the American Helicopter Society, Phoenix, Arizona, May 11-13, 2010.
4. Maughmer, M., Lesieutre, G., and Kinzel, M., "Miniature Trailing-Edge Effectors for Rotorcraft Performance Enhancement, " AHS 61st Annual Forum, Grapevine, TX, June 2005.
5. Yeo. H, "Assessment of Active Controls for Rotor Performance Enhancement, " Journal of the American Helicopter Society, Vol. 53, (2), April 2008, pp.152-163.
6. Barbarino, S., Gandhi, F., and Webster, S., "Design of Extendable Chord Sections for Morphing Helicopter Rotor Blades, " Proceedings of the ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS2010, Philadelphia, Pennsylvania, Sept 28-Oct 1, 2010, SMASIS2010-3668
7. Jose, A.I., Sitarman, J., and Baeder, J.D., "An Investigation into the Aerodynamics of Trailing Edge Flap and Flap-Tab Airfoils Using CFD and Analytical Methods, " 63rd Forums of the American Helicopter Society International, Virginia Beach, VA, May 1-3, 2007.
8. Leon, O., Gandhi, F., " Rotor Power Reduction using Multiple Spanwise-Segmented, Optimally-Actuated Trailing-Edge Flaps, " ERF 35th Annual Forum, Hamburg, Germany. September 22-25, 2009.
9. Duling, C, Gandhi, F., and Straub, F., "On Power and Actuation Requirements in Swashplateless Primary Control using Trailing-Edge Flaps, " Proceedings of the 66 Annual Forum of the American Helicopter Society, Phoenix, Arizona, May 11-13, 2010.
10. Leon, O., "Reducing Helicopter Main Rotor Power Requirements using Multiple Trailing Edge Flaps and Extendable Chord Sections, " Master's Thesis, The Pennsylvania State University, University Park, 2009.
11. Bluman, J., Gandhi, F., "Reducing Trailing Edge Flap Deflection Requirements in Swashplateless Primary Control with a Moveable Horizontal Tail, " Proceedings of the 65th Annual Forum of the American Helicopter Society, Grapevine, Texas, May 27-29, 2009.
12. Steiner, J., Gandhi, F., Yoshizaki, Y., "An Investigation of Variable Rotor RPM on Performance and Trim, " Proceedings of the 64th Annual Forum of the American Helicopter Society, Montreal, Canada, April 29-May 1, 2008.
13. 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.