Abstract
Stratospheric airship is a special near-space air vehicle which has lots of advantages than other traditional flying aircrafts, such as long endurance, strong survival ability, low cost, excellent resolution detector etc. In addition, the stratospheric airship can be an ideal stratospheric bearing platform. This paper firstly gave an overview describing some technical differences between the stratospheric airship and the traditional airship, including the working environment, design specifications, structure characteristics, energy system, flying modes, and so on. Some technical difficulties including the materials, power system which apply to the stratospheric airship and deformation of the huge hull, super-heating effect, and station-keeping were discussed. Furthermore, technical target, technical specifications, design concept, and overview of flying tested about two stratospheric demonstration airships which were representative achievements of the research on the stratospheric airship in China were introduced. Finally, the predictions about the progress and direction of development were discussed.
Highlights
The stratospheric airship is referred as a Lighter-Than-Air aircraft which can float at least a diurnal cycle at about 20 - 30 km high altitude [1] [2] [3]
The High Altitude Airship project sponsored by US Department of Defense was carried out at 2006 [9] [10], a demonstration airship named CHHAPP was tested at a height of above 74,000 feet (22.5 km)
This paper described some characteristics of the stratospheric airship, and the technical differences between the traditional airship and stratospheric airship
Summary
The stratospheric airship is referred as a Lighter-Than-Air aircraft which can float at least a diurnal cycle at about 20 - 30 km high altitude [1] [2] [3].
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