Paper Airfoil Aerodynamics

Chad Schaefer

UAF Physics 211

Newman

 

1 - Introduction

 

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Two basic principles of fluid dynamics underlie all objects in flight: The forces of Lift, opposing the downward acceleration of gravity, and the forces of drag due to air-resistance.  Both forces, properly harnessed and controlled lead to such ingenious devices as the parachute and the helicopter. Aerodynamics, the field of fluid dynamics involving the flow of gasses, even has applications in fields as separate as the automotive industry, fire-safety, and golfing.

The aerodynamics of paper airfoils, and additionally, the study of airfoils of small size and low mass are allowing the emergence of a new generation of aircraft: low-speed, affordable aircraft for a variety of uses: military reconnaissance, civilian law enforcement, and interplanetary exploration.

This web-project will explore and discuss some of the fundamentals and phenomena regarding such low-speed airfoils.  Constructing paper airfoils is one easy and enjoyable way to study such aerodynamics.

 

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Figure 1.1 -- The World Record Paper Airfoil for Duration of Flight: 27.6 seconds launched from ground level.

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1.  Introduction

2.     Principles of Flight

3.     Reynolds's Number

4.     Curvature, Viscosity, and Lift

5.     Airfoil Design Considerations and More on the Reynolds Number

6.     Paper Airfoil Design Characteristics

7.     Bibliography