B356
OTHER: Aerodynamics - Airfoil 
Topics (item):
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Topic: |
Location: |
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OTHER: Aerodynamics - Airfoil - Characteristics |
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OTHER: Aerodynamics - Airfoil - Lift-curve Slope |
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OTHER: Aerodynamics - Airfoil - Symmetrical vs. Asymmetrical |
Note:
All
of the airfoils can be plotted c/w coefficients on NVFoil
freeware program.
FORM: Rotor -
Blade - Hollmann
Program
designed to calculate the blade flapping motion, lift, drag, bending moment and
deflection in forward flight for an blade azimuth
position and along the blade radius.
Books:
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Helicopter Performance, Stability, and Control |
Chapter 6 |
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Principles of Helicopter Aerodynamics |
Chapter 7 |
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Rotary-Wing Aerodynamics |
Chapter 6 |
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Theory of Wing Sections |
All chapters |
Additional Information:
Outside
Web Sites:
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Airfoil Database |
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http://www.aae.uiuc.edu/m-selig/ads/aircraft.html#helicopters |
The Incomplete Guide to Airfoil Usage ~ David Lednicer |
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1996 revision of the definition of the NACA airfoil sections. |
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U. of Illinois data base |
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Analysis of Airfoils |
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May be the same as the one above |
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Coefficients etc. |
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The program built into this page allows you to experiment. |
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http://www.aerodes.com/AERODES/helico-a/pale-helicoptere.htm |
THE HELICOPTER BLADE |
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Department of Aerospace Engineering at the University of Illinois has a large airfoil coordinate database. |
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JavaFoil ~ to generate lift and drag plots |
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Xfoil ~ to generate lift and drag plots |
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NACA Airfoil Series Good site |
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The
Characteristics of 78 Related Airfoil sections from Tests in the
Variable-Density Wind Tunnel |
1935 |
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This
Web Site:
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Last Revised: June 1, 2007