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AAE450 Project Aquarius Breanne Wooten 1 Breanne Wooten Week 6: February 22 th, 2007 Human Factors/Integration/APM Human Limitations Update/Mars Taxi Escape Tower
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AAE450 Project Aquarius Breanne Wooten 2 Human Limitation Update Spin Rate –Increased to 6 rpm Radiation Shielding –Not using water as shielding –Burying Nuclear Reactor on Mars –Still researching shielding the Nuclear Reactor from GCR Longest Radius (32.5 m) Shortest Radius 25 m
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AAE450 Project Aquarius Breanne Wooten 3 Mars Taxi Escape Tower Future Work –Determine max. height crew can abort –Determine ΔV after Parachute –Determine fuel needed to compensate for ΔV –Added Mass vs. Added Risk Landing on Mars –Mars Atmosphere approx. 1/100 th atm density of Earth – Needs to land in range of rovers Based on Orion LAS –Solid Rocket Motor Abort Motor Isp: 250 s Jettison Motor Isp: 221s Mars Concept –Combination of Parachutes and retrorockets
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AAE450 Project Aquarius Breanne Wooten 4 References [1] Braun, Robert D., Robert M. Manning, “Mars Exploration Entry, Descent and Landing Challenges. IEEEAC Paper #0076. December 9, 2005 [2] Hall, Theodore W. “Artificial Gravity and the Architecture of Orbital Habitats”. 20 March 1997. [3] Noland, David. “Mission: Moon”. Popular Mechanics Vol 184. No. 3 March 2007 [4] Wade, Mark. “Orion LAS”. Encyclopedia Astronautica. 2007. www.astronautix.com
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AAE450 Project Aquarius Breanne Wooten 5 Spin Rate AuthorMax. Angular Velocity of Hab Clark & Hardy0.1 rpm Hill & Schnitzer4 rpm Gilruth6 rpm Gordon & Gervais6 rpm Stone6 rpm Cramer3 rpm
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AAE450 Project Aquarius Breanne Wooten 6 Radiation Shielding This slide demonstrates that Polyethylene is a more effective shielding material than water
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AAE450 Project Aquarius Breanne Wooten 7 Radiation Shielding
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