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overpressure

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
overpressure [′ō·vər‚presh·ər]
(fluid mechanics)
The transient pressure, usually expressed in pounds per square inch, exceeding existing atmospheric pressure and manifested in the blast wave from an explosion.


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After the bottle is filled and capped it goes through a patented Continuous Motion Activator (CMA) machine that inverts the base, which takes up the vacuum in the bottle and creates a slight overpressure.
Bad seals prevent the Fox from building overpressure, which means it can't seal out water or chemical agents.
The company has also increased its capital and operating budget for 2009 to $34 million from $30 million, reflecting “the operational delays and associated costs related to overpressured zones encountered by Sarqala-1 and the additional costs for the intermediate casing strings planned for Kurdamir to mitigate the risk of similar overpressure and lost circulation issues as encountered at Sarqala-1,” says the company.
 
 
 
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