Second generation prototype design and testing for a high altitude Venus balloon

Details Second generation prototype design and testing for a high altitude Venus balloon Second generation prototype design and testing for a high altitude Venus balloon

Jul 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009adspr..44...93h&link_type=abstract

Advances in Space Research, Volume 44, Issue 1, p. 93-105.

Computer Science

Performance

1

Scientific paper

This paper describes the development of a second generation prototype balloon intended for flight in the upper atmosphere of Venus. The design of this new prototype incorporates lessons learned from the construction and testing of the first generation prototype, including finite element analyses of the balloon stresses and deformations, measured leak performance after handling and packaging, permeability and optical property measurements on material samples, and sulfuric acid testing. An improved design for the second generation prototype was formulated based on these results, although the spherical shape and 5.5 m diameter size were retained. The resulting balloon has a volume of 87 m3 and is capable of carrying a 45 kg payload at a 55 km altitude at Venus. The design and fabrication of the new prototype is described, along with test data for inflation and leakage performance.

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