Subsonic Airplane Design

ahmad bassiouny
ahmad bassiounySelf employed consultant à My own sweet home!
Subsonic Airplane Design  Christopher Weyant Joseph Rebolledo  COSMOS at UC Davis Cluster 3 August 3, 2006
Presentation Outline ,[object Object],[object Object],[object Object],[object Object]
I. Factors that Allow Airplane Flight ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Forces in Airplane Flight
How Lift is Created ,[object Object],[object Object]
How Lift is Created ,[object Object],[object Object],[object Object],[object Object],high pressure low pressure= next high pressure low pressure pressure force pressure force
Lift ,[object Object],[object Object],[object Object],[object Object]
Lift ,[object Object],[object Object],[object Object],[object Object]
Weight ,[object Object],[object Object],[object Object],[object Object],[object Object]
Weight Considerations ,[object Object],[object Object]
How Thrust is Created ,[object Object],[object Object],[object Object]
Thrust ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Thrust ,[object Object],[object Object],[object Object]
Thrust vs. Efficiency ,[object Object],[object Object],[object Object],[object Object],[object Object]
How Drag is Created ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Center of Pressure  ,[object Object],[object Object],[object Object],[object Object]
Center of Mass  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Centers of Mass and Pressure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
II. Useful Non-dimensional Ratios ,[object Object],[object Object],[object Object],[object Object],[object Object]
Mach Number ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Reynolds number ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Aspect Ratio ,[object Object],[object Object],[object Object],[object Object],[object Object]
Coefficient of Lift ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Coefficient of Drag ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
III. Design of Subsonic Airplanes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Stalling Velocity ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Implications ,[object Object],[object Object],[object Object],[object Object]
Different Types of Wings ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Prandtl’s Lifting Line Theory  ,[object Object],[object Object],[object Object],[object Object],[object Object]
Implications ,[object Object],[object Object],[object Object]
Prandtl- Glauert Rule ,[object Object],[object Object],[object Object]
Combined ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Implications ,[object Object],[object Object],[object Object],[object Object]
Equation for Induced Drag ,[object Object],[object Object],[object Object],[object Object],[object Object]
Implications ,[object Object],[object Object],[object Object]
Angle of Attack ,[object Object],[object Object],[object Object]
Ceiling Altitude ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],(R/C) max =( η pr P/W)–[(2/ ρ ∞ )√K/3C D.0 (W/S)] 1/2 *(1.55/(L/D max ))
Implications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Limits on Reducing Drag ,[object Object],[object Object],[object Object],[object Object]
Evaluating Airfoils
Explanation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Coffin Corner ,[object Object],[object Object],[object Object]
IV. Case Study- Helios ,[object Object],[object Object],[object Object]
Goals for Helios ,[object Object],[object Object]
Significance of Helios ,[object Object],[object Object],[object Object]
Helios Aircraft Statistics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Helios Propulsion Statistics ,[object Object],[object Object],[object Object]
Helios Accomplishes a Goal (2001) ,[object Object],[object Object],[object Object],[object Object]
Helios Malfunctions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Summary ,[object Object],[object Object],[object Object],[object Object]
Acknowledgements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Bibliography ,[object Object],[object Object],[object Object],[object Object]
1 sur 52

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Subsonic Airplane Design

  • 1. Subsonic Airplane Design Christopher Weyant Joseph Rebolledo COSMOS at UC Davis Cluster 3 August 3, 2006
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