Difference between revisions of "Ballonet"

From Glossary of Meteorology
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Latest revision as of 15:28, 25 April 2012



ballonet

A gastight compartment of variable volume to control ascent and descent and to maintain pressure in a nonrigid airship.

When the ballonet is used within a superpressure balloon, valving of gas increases altitude, and pumping of air into the ballonet causes the balloon to descend. The superpressure is only marginally affected as the balloon changes altitude.


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