- total hydraulic head
- Морской термин: полный напор
Универсальный англо-русский словарь. Академик.ру. 2011.
total hydraulic head
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total hydraulic head — See head, total … Lexicon of Cave and Karst Terminology
Hydraulic head — is a specific measurement of water pressure or total energy per unit weight above a geodetic datum. It is usually measured as a water surface elevation, expressed in units of length, but represents the energy at the entrance (or bottom) of a… … Wikipedia
Total dynamic head — (TDH) is the total height that a fluid is to be pumped, taking into account friction losses in the pipe.TDH = Static Lift + Static Height + Friction Losswhere: Static Lift is the height the water will rise before arriving at the pump (also known… … Wikipedia
gravitational head — The component of total hydraulic head related to the position of a given mass of water relative to an arbitrary datum [22] … Lexicon of Cave and Karst Terminology
Hydraulic cylinder — A Hydraulic cylinder (also called a linear hydraulic motor) is a mechanical actuator that is used to give a linear force through a linear stroke. It has many applications, notably in engineering vehicles. Operation Hydraulic cylinders get their… … Wikipedia
Standrohrspiegelhöhe — oder Piezometerhöhe (engl. total hydraulic head), auch Hydraulisches Potential, ist die Summe aus geodätischer Höhe (z) und Druckhöhe (Ψ) für einen Punkt in einem betrachteten Grundwasserkörper. Sie steht für ein Potential und dient in der… … Deutsch Wikipedia
Hydrogeology — ( hydro meaning water, and geology meaning the study of the Earth) is the area of geology that deals with the distribution and movement of groundwater in the soil and rocks of the Earth s crust, (commonly in aquifers). The term geohydrology is… … Wikipedia
Aquifer — Typical aquifer cross section An aquifer is a wet underground layer of water bearing permeable rock or unconsolidated materials (gravel, sand, or silt) from which groundwater can be usefully extracted using a water well. The study of water flow… … Wikipedia
Bernoulli's principle — This article is about Bernoulli s principle and Bernoulli s equation in fluid dynamics. For Bernoulli s Theorem (probability), see Law of large numbers. For an unrelated topic in ordinary differential equations, see Bernoulli differential… … Wikipedia
Specific storage — (Ss), storativity (S), specific yield (Sy) and specific capacity are material physical properties that characterize the capacity of an aquifer to release groundwater from storage in response to a decline in hydraulic head. For that reason they… … Wikipedia
Hydropower — Hydropower, hydraulic power or water power is power that is derived from the force or energy of moving water, which may be harnessed for useful purposes.Prior to the widespread availability of commercial electric power, hydropower was used for… … Wikipedia
