A study of the feasibility of inflatable reentry gliders
National Aeronautics and Space Administration, 1960 - Sports & Recreation - 41 pages
A study has been made of the feasibility of inflatable reentry gliders. The results of the study indicate that such vehicles appear to be feasible and could be constructed from high-temperature flexible materials which are now available. A typical ...
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1.2 L/D Figure 75 pounds aerodynamic heating Airmat altitude analysis angle of attack calculated Circular Cylinders cover sheets delta wing drag coefficient drag loading parameter drop threads earth at satellite entering the atmosphere fabric factor of safety feasibility of inflatable Heat Transfer Heat-Transfer heating rate increase the allowable increases in wing inflatable reentry gliders inflatable reentry vehicles inflatable vehicle inflate the vehicle initial entry angle internal pressure Laminar Langley Field lb/ft lb/sq ft leading-edge radius lift coefficient lift-drag ratio loading of 1.5 low wing loading low-speed lower surface Mach number maximum horizontal deceleration modulus of elasticity NACA RM NASA perimeter tubes pounds per foot pounds per square radiation-equilibrium temperature range ratio of structural reduced Reynolds number safe operating area satellite velocity shown in figure square foot stagnation point study configuration study vehicle entering support condition tion total vehicle weight total weight vehicle drag loading vehicle ref weight to total Wstr