air pocket


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air pocket

a localized region of low air density or a descending air current, causing an aircraft to suffer an abrupt decrease in height

air pocket

[′er ‚päk·ət]
(engineering)
An air-filled space that is normally occupied by a liquid. Also known as air trap.
(meteorology)
An expression used in the early days of aviation for a downdraft; such downdrafts were thought to be pockets in which there was insufficient air to support the plane.

air pocket

An air-filled volume within a section of piping (or an apparatus) which is normally filled with liquid.

air pocket

An area of reduced pressure in the air in which the aircraft looses height rapidly and creates an illusion of absence of air to support the aircraft. The resultant effect is rather unpleasant. An air pocket can also produce the reverse effect, but the experience is not as unpleasant.
References in periodicals archive ?
After injecting Paula with anaesthetic, they thrust a coat hanger through her chest towards the air pocket and drained the lung using a catheter stuck down with Sellotape and a makeshift one-way valve.
Full Story page 2: Distraught dad tells how boat capsized:A heartbroken father yesterday told how his teenage son went missing at sea after the pair were trapped in an air pocket when their speed boat overturned.
Police presume the animal found an air pocket and spent more than 36 hours underwater.
After injecting Paula, then 39, with anaesthetic, they thrust the coathanger through her chest towards the air pocket and drained the lung using a catheter, stuck down with Sellotape, and a makeshift one-way valve.
Even when I found an air pocket, when I exhaled the soil around me was crushing me even more.
If trapped in the air pocket, passengers could still have a chance of surviving," Li said, adding that a 65-year-old woman and a 21-year-old survivor were pulled out alive from the air pocket.
Elijah Martinez, 11, and Jason Rivera, nine, could hardly move or breathe but an air pocket kept them alive until they were rescued.
Key statement: The present invention provides a method of manufacturing a pneumatic tire, which can prevent an air pocket from being generated in a vicinity of a spliced portion of a sheet member (B) to be attached to an inner liner, even in the case of using, as the inner liner, a sheet member (A) made of a composition containing a resin component.
Harrison Okene survived in an air pocket in the capsized Chevron tugboat without any food and stayed alive sipping on Coca-Cola and is seen being comforted by the rescuers, Metro.
The Nigerian cook survived by breathing an ever-dwindling supply of oxygen in an air pocket.
Remarkable footage shows the moment that divers discover a tugboat's cook, who had lived underwater for three days in an air pocket after his vessel sank off the coast of Nigeria.
Summary: A tug boat cook managed to find an underwater air pocket after his vessel sank .