GC: n
CT: A buffer tank is typically used when there is a variable cooling requirement. In such applications the tank is used as storage to cover peak loads or in situations when a surge in demand exceeds the capacity of the cooling system.
S: GRUNDFOS – http://www.grundfos.com/service-support/encyclopedia-search/buffer-tank.html (last access: 16 December 2014)
N: 1. buffer (n): 1835, agent noun from obsolete verb buff “make a dull sound when struck” (mid-16c.), from Old French bufe “a blow, slap, punch”; hence also “something that absorbs a blow.”
tank (n): 1610s, “pool or lake for irrigation or drinking water,” a word originally brought by the Portuguese from India, from a Hindi source, such as Gujarati tankh “cistern, underground reservoir for water,” Marathi tanken, or tanka “reservoir of water, tank.” Perhaps ultimately from Sanskrit tadaga-m “pond, lake pool,” and reinforced in later sense of “large artificial container for liquid” (1680s) by Portuguese tanque “reservoir,” from estancar “hold back a current of water,” from Vulgar Latin *stanticare. But other sources say the Portuguese word is the source of the Indian ones. Meaning “fuel container” is recorded from 1902. Slang meaning “detention cell” is from 1912. Railroad tank-car is from 1874.
2. A buffer tank is a storage tank used on the cold user side of an air-conditioning system. The tank is used as storage to cover peak loads or in situations when a surge in demand exceeds the capacity of the cooling system.
3.The water to be filtered is taken from a buffer tank and enters the filter after passing through a compartment designed to prevent air being admitted.
S: 1. OED – http://www.etymonline.com/index.php?allowed_in_frame=0&search=tank&searchmode=none (last access 16 December 2014). 2. GRUNDFOS – http://www.grundfos.com/service-support/encyclopedia-search/buffer-tank.html (last access: 16 December 2014). 3. TERMIUMPLUS.
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