Laminar Flow
Smooth airflow with minimal mixing
- Laminar flow reduces drag and improves efficiency, but is sensitive to surface roughness and disturbances.
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Turbulent Flow
Chaotic airflow with mixing
- Turbulent flow increases drag but enhances mixing, often occurring at high Reynolds numbers or rough surfaces.
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Winglets
Vertical extensions at wingtips
- Winglets reduce induced drag by controlling wingtip vortices, improving fuel efficiency and performance.
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Aspect Ratio
Ratio of wingspan to chord
- Aspect ratio influences lift and drag; high aspect ratios improve efficiency but may affect structural strength.
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Dihedral Angle
Upward angle of wings
- Dihedral angle provides roll stability by generating restoring forces when the aircraft tilts sideways.
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Sweep Angle
Backward angle of wings
- Sweep angle delays shockwave formation at high speeds, improving performance in transonic and supersonic regimes.
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Center of Gravity
Point where weight acts
- The center of gravity affects stability and control; improper CG can lead to unsafe flight conditions.
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Lift
Upward force on an aircraft
- Lift is generated by the wings due to pressure differences created by airflow, enabling an aircraft to rise and stay aloft.
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Center of Pressure
Point where aerodynamic forces act
- Center of pressure shifts with angle of attack, influencing pitching moments and stability.
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