- hydraulic quantity
- 水力量
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
hydraulic quantity
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Hydraulic conductivity — Hydraulic conductivity, symbolically represented as K, is a property of vascular plants, soil or rock, that describes the ease with which water can move through pore spaces or fractures. It depends on the intrinsic permeability of the material… … Wikipedia
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
Hydraulic analogy — The electronic–hydraulic analogy (derisively referred to as the drain pipe theory by Oliver Heaviside) is the most widely used analogy for electron fluid in a metal conductor. Since electric current is invisible and the processes at play in… … Wikipedia
hydraulic transmission — ▪ technology device employing a liquid to transmit and modify linear or rotary motion and linear or turning force (torque). There are two main types of hydraulic power transmission systems: hydrokinetic, such as the hydraulic coupling and… … Universalium
hydraulic — adjective Etymology: Latin hydraulicus, from Greek hydraulikos, from hydraulis hydraulic organ, from hydr + aulos reed instrument more at alveolus Date: 1661 1. operated, moved, or effected by means of water 2. a. of or relating to hydraulics … New Collegiate Dictionary
Hydraulic diameter — The hydraulic diameter, D h , is a commonly used term when handling flow in noncircular tubes and channels. Using this term one can calculate many things in the same way as for a round tube.Definition: D h = frac {4A}{U} where A is the cross… … Wikipedia
hydraulic press — Hydrostatic Hy dro*stat ic, Hydrostatical Hy dro*stat ic*al, a. [Hydro , 1 + Gr. ? causing to stand: cf. F. hydrostatique. See {Static}.] Of or relating to hydrostatics; pertaining to, or in accordance with, the principles of the equilibrium of… … The Collaborative International Dictionary of English
hydraulic — [1] When a quantity of water, oil, or other fluid is forced along one end of a line, it also forces against the other end of the line. Because these fluids (unlike a gas) cannot be compressed, when they are forced into a smaller cylinder they… … Dictionary of automotive terms
Dimensionless quantity — In dimensional analysis, a dimensionless quantity or quantity of dimension one is a quantity without an associated physical dimension. It is thus a pure number, and as such always has a dimension of 1.[1] Dimensionless quantities are widely used… … Wikipedia
Abkürzungen/Luftfahrt/E–K — Dies ist der dritte Teil der Liste Abkürzungen/Luftfahrt. Liste der Abkürzungen Teil 1 A A Teil 2 B–D B; C; D Teil 3 E K E … Deutsch Wikipedia
river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… … Universalium
