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Stephen Hu Deployment Vehicle Selection Helicopter Design Hours Worked: 102

Team Member. Stephen Hu Deployment Vehicle Selection Helicopter Design Hours Worked: 102. Helicopter Design. Introduction General Characteristics Constraints Deployment Conclusions Recommendations. 2. Introduction. Investigation of the surface and lakes of Titan VTOL capability

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Stephen Hu Deployment Vehicle Selection Helicopter Design Hours Worked: 102

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  1. Team Member Stephen Hu Deployment Vehicle Selection Helicopter Design Hours Worked: 102 Stephen Hu

  2. Helicopter Design • Introduction • General Characteristics • Constraints • Deployment • Conclusions • Recommendations 2 Stephen Hu

  3. Introduction • Investigation of the surface and lakes of Titan • VTOL capability • Dependable performance in hostile environments • Able to last four months under constant operation Stephen Hu

  4. Constraints • Environment • Cryogenic Conditions • Icing occurs above 10 km (around T~91 K) • Wind: 0-10 m/s • Solar Energy: Minimal - None • Atmospheric Density: 5.44 kg/m3 • Volume/Storage • Diameter of Heat Shield: 3.75 m • Airship Storage Stephen Hu

  5. Helicopter Characteristics Type: Coaxial Airfoil: NACA 0012 Stephen Hu

  6. Deployment Stephen Hu

  7. Blade Radius vs. Power Required Stephen Hu

  8. Forward Velocity vs. Power Required Stephen Hu

  9. Altitude Ceiling Stephen Hu

  10. Conclusions Stephen Hu

  11. Recommendations • More in-depth aerodynamic design • Materials • Payload • Deployment Stephen Hu

  12. References • "The Vertical Profile of Winds on Titan." www.nature.com. 8 Dec. 2005. Nature: International Weekly Journal of Science. <http://www.nature.com/nature/journal/v438/n7069/full/nature04060.html>. • Wright, Henry S. Design of a Long Endurance Titan VTOL Vehicle. Georgia Institute of Technology. <https://wiki.umn.edu/pub/titanedd/deployment/vtol_design_paper.pdf>. • Leishman, Gordon. Principles of Helicopter Aerodynamics. Cambridge UP, 2006. • Prouty, Raymond W. Helicopter Aerodynamics. 2nd ed. Peioria, ILL: PJS Publications, 1985. • Lorenz, R. D. "Flexibility for Titan Exploration: The Titan Helicopter." Innovative Approaches to Outer Planetary Exploration 2001-2020. Lunar and Planetary Lab, University of Arizona, Tucson, Az. <http://www.lpi.usra.edu/meetings/outerplanets2001/pdf/4003.pdf>. • Young, Larry A. "Vertical Lift - Not Just for Terrestrial Flight." Www.Nasa.gov. Army/NASA RotorCraft Division, Ames Research Center, Moffett Field, CA. <http://rotorcraft.arc.nasa.gov/publications/files/young_ahs00.pdf>. • Lorenz, Ralph D. "Post-Cassini Exploration of Titan: Science Rationale and Mission Concepts." University of Arizona Lunar and Planetary Laboratory. Lunar and Planetary Lab, University of Arizona, Tucson, Az. <http://www.lpl.arizona.edu/~rlorenz/jbis.pdf>. Stephen Hu

  13. Mass and Power Constraints Stephen Hu

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