favourable pressure gradient

favourable pressure gradient

n
(General Engineering) engineering a decrease of pressure in the direction of flow
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For the case of remarkable injection effects, the favourable pressure gradient increases near the tube centre when compared to its behaviour near the tube wall.
Air is most likely to enter during deep inspiration, when the patient is upright, as a favourable pressure gradient exists for air to enter the circulation.
& Norbury, J., 1967 Some experiments on equilibrium turbulent boundary layers in favourable pressure gradients. J.