how_bird_accomplish_navigation_via_flight.pptx

It's a presentation on birds navigation via flight

1. Navigation and Flight: From Birds to Aircrafts & Beyond Biology for Engineers Module 4 Atria Institute of Technology

2. Agenda Bird Navigation & Inner GPS Global Positioning System (GPS) Flight Mechanics: Birds vs Aircraft Lotus Leaf Effect & Applications Conclusion

3. Bird Navigation - Purpose Find better weather and food Improve survival chances for nestlings Seasonal migration patterns

4. Bird Navigation Mechanisms Piloting: mental maps via visual, acoustic, olfactory cues Olfactory Mapping: scent-based wayfinding Celestial Mapping: using sun, stars, and night skies

5. Earth's Magnetic Field Sensing Cryptochromes in the retina act as magnetic sensors Visual magnetoreception: seeing magnetic field contours Aligning flight direction with field lines

6. Global Positioning System (GPS) Network of ~32 satellites (24 core + 8 backups) Ground stations monitor satellite health Receiver devices calculate position via signals

7. GPS Working Principles Signal transmission includes satellite position & time Distance = speed of light x travel time Trilateration: requires 4+ satellites for 3D fix

8. Applications of GPS in Biology Tracking animal migration routes Studying habitat use and movement patterns Conservation and ecological research

9. Flight Mechanics - Forces Weight (gravity) vs Lift Drag vs Thrust Balance of forces enables sustained flight

10. Bernoulli's Principle & Wing Factors Faster airflow over wing creates lower pressure Lift ∝ wing surface area Lift vs Angle of Attack (stall occurs past critical angle)

11. Dragonfly Maneuverability Can fly forward, backward, hover, and change course Mimics and inspires advanced rotorcraft design Efficient control with small body size

12. Lotus Leaf Effect Superhydrophobicity: contact angle >150° Micro- and nano-scale surface structures Self-cleaning via rolling water droplets

13. Applications of Lotus Effect Self-cleaning roofs and paints Hydrophobic glass and windshields Medical and sports textiles Superhydrophobic wood treatments

14. Conclusion Bird navigation combines multiple sensory cues GPS technology parallels biological systems Bio-inspired designs enhance engineering solutions Superhydrophobicity offers innovative material applications