Ballonet: Difference between revisions

From Glossary of Meteorology
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{{Term
 
|Display title=ballonet
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|Meaning=A gastight compartment of variable volume to control ascent and descent and to maintain  [[pressure]] in a nonrigid airship.
<div class="termentry">
|Explanation=When the ballonet is used within a [[super pressure balloon|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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== ballonet ==
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<div class="definition"><div class="short_definition">A gastight compartment of variable volume to control ascent and descent and to maintain  [[pressure]] in a nonrigid airship.</div><br/> <div class="paragraph">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.</div><br/> </div>
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[[Category:Terms_B]]

Latest revision as of 21:54, 13 January 2024

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.


  1. A measure (or condition) of height, especially of great height, as a mountain top or aircraft flight level.
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