NAVWEPS Do-Sd-eD  “,G”  SPEED AERODYNAMICS  EFFECT OF SPEED AND ALTITUDE  ON AERODYNAMIC HEATING  STAGNATION  TEMPERATURE  AT  SEA LEVEL  RAM TEMPERATURE  ;;I  Z  STAGNATION  w  TEMPERATURE  I-  IN THE  STRATOSPHERE  500-  0,  --I  0  500  1000  1500  2000  2500  3000  TRUE AIRSPEED, KNOTS  APPROXIMATE EFFECT OF TEMPERATURE  ON TENSILE ULTIMATE STRENGTH, l/2 HR, EXPOSURE  IOO-  go-  00-  70-  60-  50-  40-  30-  ,-ALUMINUM  20-  ALLOY  IO-  L  Or  I  0  100 200 300  400 500 600 700 SO0  900 ~000  TEMPERATURE,  “F  Figure 3.21. Aerodynamic Heating  241 