- natural velocity of flow
- бытовая скорость
Англо-русский строительный словарь. 2013.
natural velocity of flow
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Flow measurement — is the quantification of bulk fluid movement. Flow can be measured in a variety of ways. Positive displacement flow meters acumulate a fixed volume of fluid and then count the number of times the volume is filled to measure flow. Other flow… … Wikipedia
Natural gas processing — plants, or fractionators, are used to purify the raw natural gas extracted from underground gas fields and brought up to the surface by gas wells. The processed natural gas, used as fuel by residential, commercial and industrial consumers, is… … Wikipedia
Natural convection — Bénard cells. Natural convection is a mechanism, or type of heat transport, in which the fluid motion is not generated by any external source (like a pump, fan, suction device, etc.) but only by density differences in the fluid occurring due to… … Wikipedia
Natural ventilation — The ventilation system of a regular earthship. Natural ventilation is the process of supplying and removing air through an indoor space without using mechanical systems. It refers to the flow of external air to an indoor space as a result of wind … Wikipedia
Flow visualization — In fluid dynamics it is critically important to see the patterns produced by flowing fluids, in order to understand them. We can appreciate this on several levels: Most fluids (air, water, etc.) are transparent, thus their flow patterns are… … Wikipedia
Balanced flow — In atmospheric science, balanced flow is an idealisation of atmospheric motion. The idealisation consists in considering the behaviour of one isolated parcel of air having constant density, its motion on a horizontal plane subject to selected… … Wikipedia
Potential flow — streamlines around a NACA 0012 airfoil at 11° angle of attack, with upper and lower streamtubes identified. In fluid dynamics, potential flow describes the velocity field as the gradient of a scalar function: the velocity potential. As a result,… … Wikipedia
Annular velocity — [http://www.glossary.oilfield.slb.com/Display.cfm?Term=annular%20velocity] is the speed of a fluid s movement in a column called an annulus. [http://en.wikipedia.org/wiki/Annulus (mathematics)] It is normally measured in feet per minute (fpm).… … Wikipedia
Debris flow — Scars formed by debris flow in great Los Angeles during the winter of 1968 1969. The photograph was taken within several months of the debris flows occurring. A debris flow is a fast moving, liquefied landslide of unconsolidated, saturated debris … Wikipedia
Plug flow reactor model — The plug flow reactor (PFR) model is used to describe chemical reactions in continuous, flowing systems. The PFR model is used to predict the behaviour of chemical reactors, so that key reactor variables, such as the dimensions of the reactor,… … Wikipedia
placer deposit — Natural concentration of heavy minerals caused by the effect of gravity on moving particles. When heavy, stable minerals are freed from their matrix by weathering processes, they are slowly washed downslope into streams that quickly winnow the… … Universalium
