Venus balloons using water vapor

Details Venus balloons using water vapor Venus balloons using water vapor

Jan 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004adspr..33.1831i&link_type=abstract

Advances in Space Research, Volume 33, Issue 10, p. 1831-1835.

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Scientific Ballooning, Venus Balloons Using Water Vapor, Venus

Scientific paper

We propose an inflatable balloon floating below the Venus clouds by the use of water as the lifting gas. The balloon has a unique water vaporizing system that is simple, lightweight and small in size. The balloon shape is chosen to be cylindrical with a large aspect ratio for obtaining a sufficient surface area, which is used for a vaporizer instead of a large and heavy heat exchanging system. The envelope of the balloon has an outer layer for gas-barrier with a high-temperature resistant polymer film and an inner layer for keeping a lot of liquid water widely and thinly. Vaporization of the contained water is accomplished by the large heat flux from the high-temperature atmosphere in the large surface area. Balloon deployment and the inflation sequence are numerically examined. This type of balloon has a potential for a long duration in situ meteorological observation.

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