An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Pascal's barrel experiment
  آزمایش ِ چلیک ِ پاسکال  
âzmâyeš-e celik-e Pascal
Fr.: expérience du tonneau de Pascal  

An experiment carried out by Blaise Pascal in 1646 to demonstrate the hydraulic pressure. A long and narrow vertical pipe was connected to the content of a closed wooden barrel already full of water. He poured a small quantity of water into the pipe, whereby the height of the fluid within the pipe sharply increased. Due to the increase in hydrostatic pressure and → Pascal’s law, the barrel could leak and even burst.

See also: → pascal (Pa); M.E. barel, from M.Fr. baril, O.Fr. barril; → experiment