AAE 450 Spring 2008 Vince Teixeira 24 January 2008 Structures Nose Cone Structural/Material Analysis 1

AAE 450 Spring 2008 Structures Thermal Analysis  0.70 Power-Law Body  Standard Atmosphere Table/Isentropic Mach Flow  Preliminary T melt Analysis –Al:964 m/s –Mg:1029 m/s –Ti:1833 m/s –Austenitic Steel:1688 m/s –Martensitic Steel:1729 m/s –Ultra High Strength Steel: 1774 m/s –HfB m/s 2

AAE 450 Spring 2008 Structures Mass Estimate  Linear Scaling for 5kg Vanguard rocket (Strauss, Chris)  82 cm Diameter, 164 cm Length, 2 cm thick –Al: kg –Mg:99.12 kg –Ti: kg –Austenitic Steel:453.11kg –Martensitic Steel: kg –Ultra High Strength Steel: kg Future Work  Specific Aerothermal load analysis (w/ CAD)  Manufacturing Costs 3

Backup Slide – Power-Law Body AAE 450 Spring 2008 Structures 4

Backup Slide – Thermal Analysis AAE 450 Spring 20085

References  Auman, Lamar M. and Wilks, Brett, “Supersonic and Hypersonic Minimum Drag for Bodies of Revolution.” AIAA , Orlando, FL, June  Santos, W. F. N., “Leading Edge Bluntness Effects on Aerodynamic Heating and Drag of Power Law Body in Low-Density Hypersonic Flow,” AIAA Journal, Vol. XXVII, No. 3, 2005, pp  Aerospace Structural Metals Handbook, 2000 Edition AAE 450 Spring 2008 Structures 6