pressure gradient

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pressure gradient

n
1. (General Physics) the change of pressure per unit distance. See adverse pressure gradient, favourable pressure gradient
2. (Physical Geography) meteorol the decrease in atmospheric pressure per unit of horizontal distance, shown on a synoptic chart by the spacing of the isobars
References in periodicals archive ?
If wood is immersed in a dye solution for extended periods of time during the dyeing process, pressure gradients cannot be created within the wood.
Because a helium-oxygen mixture is less dense than an air-oxygen mixture, heliox will lessen the degree to which both the velocity and lateral wall pressure gradients change.
The forecaster's threemonth outlook says sea temperatures, wind speeds and pressure gradients could all produce one of the wettest winters since 1981.
By January, sea temperatures, wind speeds and pressure gradients on the western side of the north Atlantic could produce one of the wettest winters since 1981.
Measurements can be performed in the danger zone hydrogen sulphide and abnormally high reservoir pressure gradients and directional and horizontal holes.
Once the stent is removed following implantation, the Solo Smart valve becomes an entirely stentless valve, providing low pressure gradients and large openings.
The power-law model, which includes the Newtonian model as a limiting case, predominates in one-dimensional analyses because of analytical expressions relating pressure gradients and flow rates.
The new design uses a microelectromechanical microphone with a 1 mm by 3 mm diaphragm that is designed to rotate about a central pivot in response to sound pressure gradients.
Some applications require surface structures as small as 500 nm to alter visible light wavelengths, and other applications require structures as large as 400 [micro]m to alter pressure gradients in lubricating films.
The topics include the effects of spatial resolution in turbulent boundary layers with pressure gradients, fatigue damage mechanisms of titanium in inert environment, designing and testing a vertical-axis wind turbine with pitch control, analyzing the stability of a light aircraft configuration using computational fluid dynamics, and analyzing the reliability of power and propulsion systems for a stratospheric airship.
1) Another study showed that correlation of renocaval pressure gradients with flow patterns from color Doppler sonography in collateral vessels further aids assessment of nutcracker syndrome.
Debnath [2] considered an unsteady hydrodynamic and hydro magnetic boundary flow in a rotating viscous fluid due to oscillations of plates including the effects of uniform pressure gradients and uniform suction.