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Rick Hutchings Week 10: March 29 th , 2007

Rick Hutchings Week 10: March 29 th , 2007. Thermal Control Final Presentation Slides 1 st Draft. Hutchings, 1. Thermal Control. Active Thermal Control System Heat acquisition Heat exchangers and coldplates Heat transport Plumbing, Pumps and Valves Heat rejection Heat sink (radiators)

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Rick Hutchings Week 10: March 29 th , 2007

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  1. Rick HutchingsWeek 10: March 29th, 2007 Thermal Control Final Presentation Slides 1st Draft Hutchings, 1

  2. Thermal Control • Active Thermal Control System • Heat acquisition • Heat exchangers and coldplates • Heat transport • Plumbing, Pumps and Valves • Heat rejection • Heat sink (radiators) • Passive Thermal Control System • MLI (Multi-Layer Insulation) Hutchings, 2

  3. Insulation • Keep fuel at storable temperatures • LOX – 90K • LH2 – 20K • External Tanks • Spray-On Foam Insulation (SOFI) • Made of a Super Lightweight Ablator • Lightweight and Proven to work • High strength aramid honeycomb • LH2 and LOX Tanks • MLI • 45 layers to decrease heat loss and keep mass low MLI Hutchings, 3

  4. References • Fischer, Mark. Thermal Control. Feb 1995. University of Texas. 21 Jan 2007. <http://www.tsgc.utexas.edu/archive/subsystems/thermal.pdf> • Larson, Wiley and Pranke, Linda. Human Spaceflight Mission Analysis and Design. St. Louis: McGraw-Hill Companies (Pg. 513-537) • “Project Legend.” Spring 2005 Purdue University. 5 Jan 2007 (Pg. 285 289) <https://engineering.purdue.edu/AAE/Academics/Courses/ aae450/2005/spring> • Gilmore, David G. Spacecraft Thermal Control Handbook. California: The Aerospace Corporation • Martin, J.J. and Hastings, L. Large-Scale Liquid Hydrogen Testing of a Variable Density Multilayer Insulation with a Foam Substrate. June 2001. NASA • NASA Facts. External Tank Return to Flight Focus Area Thermal Protection System. August 2004. • http://www.hexcel.com/NR/rdonlyres/B5257016-0FEE-4F45-956D-F5DBCA3A7CFA/0/HEXWEBA1A10eu4PP.pdf Rick Hutchings - 4

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