Progress of super-pressure balloon development: A new "tawara" concept with improved stability

Details Progress of super-pressure balloon development: A new "tawara" concept with improved stability Progress of super-pressure balloon development: A new "tawara" concept with improved stability

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011adspr..48.1136f&link_type=abstract

Advances in Space Research, Volume 48, Issue 6, p. 1136-1146.

Physics

Scientific paper

The super-pressure balloon (SPB) has been expected to be a flight vehicle that can provide a long flight duration to science. Since 1997, we have developed the SPB. Now we are at the phase of developing an SPB of a practical size. In 2009, we carried out a test flight of a pumpkin-shaped SPB with a 60,000 m3 volume. The undesirable result of this flight aroused us to resolve the deployment instability of the pumpkin-shaped SPB, which has been known as one of the most challenging issues confronting SPB development. To explore this deployment issue, in 2010, we carried out a series of ground tests. From results of these tests, we found that an SPB design modified from pumpkin, named "tawara", can be a good candidate to greatly improve the deployment stability of the lobed SPB.

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