Bourdon tube: Difference between revisions

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|Meaning=A closed curved tube of elliptical cross section used in some thermometers and  barometers.
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|Explanation=The Bourdon-tube [[thermometer]] consists of a Bourdon tube completely filled with liquid. The  expansion of the liquid due to a [[temperature]] change causes an increase in the radius of curvature  of the tube. The curvature may then be measured by the travel of the tip of the tube. The Bourdon-  tube [[barometer]] consists of an evacuated Bourdon tube and operates in a similar manner. In both  cases the curvature is a measure of the difference between the [[pressure]] inside the tube and that  outside.
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== Bourdon tube ==
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<div class="definition"><div class="short_definition">A closed curved tube of elliptical cross section used in some thermometers and  barometers.</div><br/> <div class="paragraph">The Bourdon-tube [[thermometer]] consists of a Bourdon tube completely filled with liquid. The  expansion of the liquid due to a [[temperature]] change causes an increase in the radius of curvature  of the tube. The curvature may then be measured by the travel of the tip of the tube. The Bourdon-  tube [[barometer]] consists of an evacuated Bourdon tube and operates in a similar manner. In both  cases the curvature is a measure of the difference between the [[pressure]] inside the tube and that  outside.</div><br/> </div>
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Latest revision as of 22:17, 13 January 2024

A closed curved tube of elliptical cross section used in some thermometers and barometers.

The Bourdon-tube thermometer consists of a Bourdon tube completely filled with liquid. The expansion of the liquid due to a temperature change causes an increase in the radius of curvature of the tube. The curvature may then be measured by the travel of the tip of the tube. The Bourdon- tube barometer consists of an evacuated Bourdon tube and operates in a similar manner. In both cases the curvature is a measure of the difference between the pressure inside the tube and that outside.


A closed curved tube of elliptical cross section used in some thermometers and barometers.

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