Air Flow

Some articles on air flow, air:

List Of Destroyed Libraries - Causes and Prevention
... in a lot of libraries and so the emphasis on library design was to increase air flow by, for example, leaving openings under the shelves in adjoining floors ... In a fire the flames will be drawn floor to floor by the air flow thus ensuring the relatively easy destruction of a whole library rather than a small section ... Older libraries are usually converted by closing up air flow openings and installing fire doors, alarms and sprinklers ...
Air Flow Meter
... An air flow meter, is a device that measures air flow, i.e ... how much air is flowing through a tube ... It does not measure the volume of the air passing through the tube, it measures the actual speed of the air flowing through the device in a defined time segment ...
Sailplane - Glide Slope Control
... to left, for example) so that the glider is no longer flying aligned with the air flow ... This will present one side of the fuselage to the air-flow significantly increased drag ... mid-chord or near the spar which are raised into the air-flow to eliminate (spoil) the lift from the wing area behind the spoiler, disrupting the spanwise distribution of lift and increasing lift ...
Piston Effect - Cause of The Effect
... Air in a tunnel is confined by the tunnel walls, hence the movement of air is restricted ... In open air, when a vehicle travels along, air is being pushed and can move to any directions except into the ground ... But inside a tunnel, air cannot move through the tunnel walls ...
Chronic Obstructive Pulmonary Disease - Pathophysiology
... lung Narrowing of the airways reduces the airflow rate to and from the air sacs (alveoli) and limits effectiveness of the lungs ... In COPD, the greatest reduction in air flow occurs when breathing out (during expiration) because the pressure in the chest tends to compress rather than expand the airways ... In theory, air flow could be increased by breathing more forcefully, increasing the pressure in the chest during expiration ...

Famous quotes containing the words flow and/or air:

    For as the interposition of a rivulet, however small, will occasion the line of the phalanx to fluctuate, so any trifling disagreement will be the cause of seditions; but they will not so soon flow from anything else as from the disagreement between virtue and vice, and next to that between poverty and riches.
    Aristotle (384–322 B.C.)

    And ‘tis my faith that every flower
    Enjoys the air it breathes.
    William Wordsworth (1770–1850)