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Encyclopedia > Hydraulic head
It has been suggested that Hydraulic head (hydrology) and Head (hydraulic) be merged into this article or section. (Discuss)

Hydraulic Head is typically used to define water pressure. There are several related uses of the term, which use similar terminonology to mean slightly different things. Image File history File links Please see the file description page for further information. ... This is about the hydraulic head of slow-flowing groundwater, for fluid dynamic oriented definitions of hydraulic head, see hydraulic head (disambiguation page) Hydraulic head is a measure of the amount of energy groundwater, flowing through an aquifer, has per unit weight. ... In fluid dynamics, head refers to the constant right hand side in the incompressible steady version of Bernoullis equation. ...


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head: Information from Answers.com (361 words)
In fluid dynamics, head is the difference in elevation between two points in a column of fluid, and the resulting pressure of the fluid at the lower point.
Head is useful in specifying centrifugal pumps because their pumping characteristics tend to be independent of the fluid's density.
Velocity head is due to the motion of a fluid.
Head positioning for a belt grinder - Patent 4262455 (7946 words)
A hydraulic cylinder is provided for moving the contact wheel assembly with respect to the vertical column for controlling the height of the grinding head with respect to the work table.
The hydraulic cylinder is used for raising and lowering the grinding head assembly.
Hydraulic cylinder 62 is disposed between a fixed portion of bed 20 and table 22 and as the operating rod of cylinder 62 moves between its extended and retracted position table 22 is also moved.
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