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Differential pressure can be measured by gauges containing two different Bourdon tubes, with connecting linkages (but is more usually measured via diaphragms or bellows and a balance system). Bourdon tubes measures gauge pressure, relative to ambient atmospheric pressure, as opposed to absolute pressure; vacuum is sensed as a reverse motion ...
Bourdon is a stopped pipe, having an airtight stopper fitted into the top. This makes the tone one octave lower than a pipe of open construction (they are only one half the length of an open pipe of the same pitch), and also eliminates the development of even-numbered harmonics (" squaring off " the timbre), helping to create the characteristic ...
Bourdon tube. The Bourdon tube depth gauge consists of a curved tube made of elastic metal, known as a Bourdon tube. Water pressure on the tube may be on the inside or the outside depending on the design. When the pressure increases, the tube stretches, and when it decreases the tube recovers to the original curvature.
Bourdon derives from the French for bumblebee, and may refer to: Bourdon (bell), the lowest bell in a set; Bourdon (organ pipe), a stopped organ pipe of a construction favored for low pitches; Bourdon (surname) Drone (music): The lowest course of a lute, or the lowest drone pipe of a bagpipe, sometimes called a bourdon
The use of bourdon tube, diaphragm, and digital depth gauges may require adjustment for use at altitude. [2] Capillary gauges have been shown to be a conservative method for measurement of compensated depth at altitude. [5]
A pressure switch for sensing fluid pressure contains a capsule, bellows, Bourdon tube, diaphragm or piston element that deforms or displaces proportionally to the applied pressure. The resulting motion is applied, either directly or through amplifying levers, to a set of switch contacts.
A pressure can be identified for every point in a body of fluid, regardless of whether the fluid is in motion. Pressure can be measured using an aneroid, Bourdon tube, mercury column, or various other methods. The concepts of total pressure and dynamic pressure arise from Bernoulli's equation and are significant in the study of all fluid flows.
A pressure sensor, a resonant quartz crystal strain gauge with a bourdon tube force collector is the critical sensor of DART. [13] DART detects tsunami waves from the bottom of the open ocean. It has a pressure resolution of approximately 1mm of water when measuring pressure at a depth of several kilometers. [14]