Publisher's Synopsis
Excerpt from Hydraulics of Rivers, Weirs and Sluices: The Derivation of New and More Accurate Formulæ, for Discharge Through Rivers and Canals Obstructed by Weirs, Sluices, Etc;, According to the Principles of Gustav Ritter Von Wex
IN treating a subject of this nature it is very important that the language used should be clear and specific. To accomplish this end a few of the most important terms must be accurately defined so that there may be no doubt as to the particular meaning implied by them. Much confusion is Often created by a promiscuous use Of technical terms, especially when these have received a variety Of definitions by different authors. The following definitions will be adhered to throughout the present work.
Hydrostatic pressure is the pressure exerted by the weight Of a column of water and acts With equal intensity in all directions. It implies pressure due to water in a state Of rest.
Hydrodynamic pressure is that produced by a stream or jet of water impinging on a surface, and may be less than, equal to or greater than the hydrostatic pressure. It is a function of velocity only. It is always expressed as a static head v2/ 2 g.
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