hydrodynamic pressure

hydrodynamic pressure

[‚hī·drō·dī′nam·ik ′presh·ər]
(fluid mechanics)
The difference between the pressure of a fluid and the hydrostatic pressure; this concept is useful chiefly in problems of the steady flow of an incompressible fluid in which the hydrostatic pressure is constant for a given elevation (as when the fluid is bounded above by a rigid plate), so that the external force field (gravity) may be eliminated from the problem.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Lateral line layout correlates with the differential hydrodynamic pressure on swimming fish.
The hydrodynamic pressure must be above the liquid cavitation pressure, i.e.
Figure 10 illustrates the hydrodynamic pressure profile in the center plain of the bearing along the circumferential direction.
Hydrodynamic pressure can reach high values and handle external load in case of axial piston machines as it was shown in a work by Pelosi [7], though axial motion has a significant impact on the pressure that is built in the gap, therefore, this solution also may not be basic for advanced gap seal design.
Zhang, "Qualitative analysis of microcorrosion of limestone induced by temperature and hydrodynamic pressure," Rock and Soil Mechanics, vol.
In view of Equations (8)-(l5), a rigid body boundary element is established that relates the hydrodynamic pressure that develops on the wet surface of the rigid body to the acceleration applied at the reference point of the rigid body.
When there is no pressure difference ([p.sub.a] = [p.sub.c] = [p.sub.0]) between two ends of the bearing, the load capacity of the bearing is entirely supported by the hydrodynamic pressure distribution inside the bearing and the hydrostatic pressure support no longer exists.
Pore water pressure sensors (PWPS) were arranged along the different height of tank walls and the cameras were arranged on the top of the tank, and the hydrodynamic pressure time-histories and attenuation data of wave height were collected.
The effect of micro-grooves on hydrodynamic pressure has been systematically analyzed for micro-grooved oil-lubricated parallel slider bearings [14, 15].
On the other hand, the groundwater influences or changes the rock mass structure by imposing hydrostatic and hydrodynamic pressure, thereby changing the stress status of the rock mass that shows the effect of seepage field on the stress field.
This work represented a hydrodynamic pressure distribution model for squeeze film dampers incorporated into high-speed turbomachinery.