File:Uldbmain.jpg
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| Description |
English: Super Pressure Balloon Demonstration Requirements
* 1-ton instrument to 100 kft * 100-day flight goal * Little or no day/night altitude variation."Super pressure" means there is a higher pressure inside the balloon than outside. The super pressure balloons flown by the NASA program are essentially very large pressure vessels. At float altitudes the balloons have a very slight differential pressure compared to the ambiaent atmosphere. This positive pressure is on the order of around .0363 psi under the highest pressure loading. Most of the time it is much lower. |
| Date | |
| Source | NASA Wallops Flight Facility Code 820 Super Pressure, url=http://sites.wff.nasa.gov/code820/uldb.html |
| Author | NASA Official: David L. Pierce, Curator: Brandon Wright |
| Permission (Reusing this file) |
Images from NASA usually are free of copyright. |
Super-Pressure: Ultra Long Duration Balloon (ULDB) "Pumpkin".
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 23:58, 2 December 2009 | | 250 × 426 (31 KB) | Marshallsumter (talk | contribs) | {{Information |Description={{en|1=Super Pressure Balloon Demonstration Requirements * 1-ton instrument to 100 kft * 100-day flight goal * Little or no day/night altitude variation. "Super pressure" means there is a higher pressure inside the |
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