Communicating vessels

Communicating vessels
Communicating vessels
Animation showing the filling of communicating vessels

Communicating vessels is a name given to a set of containers containing a homogeneous fluid: when the liquid settles, it balances out to the same level in all of the containers regardless of the shape and volume of the containers. If additional liquid is added to one vessel, the liquid will again find a new equal level in all the connected vessels.This process is part of Stevin's Law[1] and occurs because gravity and pressure are constant in each vessel (hydrostatic pressure).[2]

Blaise Pascal proved in the seventeenth century that the pressure exerted on a molecule of a liquid is transmitted in full and with the same intensity in all directions.

Applications

Since the days of ancient Rome, the concept of communicating vessels has been used for indoor plumbing, via aquifers and lead pipes. Water will reach the same level in all parts of the system, which acts as communicating vessels, regardless of what the lowest point is of the pipes – although in practical terms the lowest point of the system depends on the ability of the plumbing to withstand the pressure of the liquid. In cities, water towers are frequently used so that city plumbing will function as communicating vessels, distributing water to higher floors of buildings with sufficient pressure.

Hydraulic presses, using systems of communicating vessels, are widely used in various applications of industrial processes.

See also

References

  1. ^ Spellman, Frank R.; Whiting, Nancy E. (2005). Environmental engineer's mathematics handbook. CRC Press. ISBN 978-1566706810. 
  2. ^ Fontana, Fabrizio; DiCapua Roberto (August 2005). "Role of hydrostatic paradoxes towards the formation of the scientific thought of students at academic level". European Journal of Physics (6): 1017–1030. Bibcode 2005EJPh...26.1017F. doi:10.1088/0143-0807/26/6/009. 

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  • communicating vessels — susisiekiantieji indai statusas T sritis fizika atitikmenys: angl. communicating vessels; connected vessels vok. kommunizierende Gefäße, n rus. сообщающиеся сосуды, m pranc. vases communicants, m …   Fizikos terminų žodynas

  • connected vessels — susisiekiantieji indai statusas T sritis fizika atitikmenys: angl. communicating vessels; connected vessels vok. kommunizierende Gefäße, n rus. сообщающиеся сосуды, m pranc. vases communicants, m …   Fizikos terminų žodynas

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  • kommunizierende Gefäße — susisiekiantieji indai statusas T sritis fizika atitikmenys: angl. communicating vessels; connected vessels vok. kommunizierende Gefäße, n rus. сообщающиеся сосуды, m pranc. vases communicants, m …   Fizikos terminų žodynas

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