Recent Hurricanes Katrina and Isabel, among others, not only demonstrated their immense destructive power, but also revealed the obvious, crucial need for improved storm surge forecasting and information delivery to save lives and property in future storms. Current operational methods and the storm surge and inundation products do not adequately meet requirements needed by Emergency Managers (EMs) at local, state, and federal levels to protect and inform our citizens. The ...
This report contains all information pertinent to the development of the Zero-G PG MOL-HSQ Experiment to test the ability of the Acoustica infrasonic Zero-G propellant gage to measure liquid quantities in a bladderless tank under varying gravity conditions including zero. Basically, the Acoustica Zero-G gaging system utilizes infrasonic energy applied to the contents of a tank to determine the gas/liquid compressibility ratio. This measurement yields gas volume directly, irrespective of ...
Through new design concepts, the problem of fold line damage and 'orange peel' effects in expandable solar collectors has been eliminated. A rigidizing resin (urethane prepolymer) has been developed that has superior strength, stability, and impregnation characteristics to those used in the past. Other resins have been developed which show improved resistance to radiation damage when compared to conventional urethane formulation. The effect of space environment (gamma-radiation, ultraviolet, infrared) on ...
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