- viscosity stress
- Нефтегазовая техника напряжение внутреннего трения
Универсальный англо-русский словарь. Академик.ру. 2011.
viscosity stress
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Viscosity (disambiguation) — Viscosity is the measure of the resistance of a fluid to deform under either shear stress or extensional stress. It is commonly perceived as thickness , or resistance to pouring.It can also refer to the following: * Viscosity (programming) a… … Wikipedia
Viscosity — For other uses, see Viscosity (disambiguation). Viscosity The substance above has lower viscosity than the substance below SI symbol: μ, η SI unit: Pa·s … Wikipedia
viscosity — /vi skos i tee/, n., pl. viscosities. 1. the state or quality of being viscous. 2. Physics. a. the property of a fluid that resists the force tending to cause the fluid to flow. b. the measure of the extent to which a fluid possesses this… … Universalium
Stress (mechanics) — Continuum mechanics … Wikipedia
viscosity — ALASKA VOLCANO OBSERVATORY GLOSSARY A measure of resistance to flow in a liquid (water has low viscosity while honey has a higher viscosity.) GLOSSARY OF VOLCANIC TERMS A measurement of the ratio of shear stress to the rate of shear strain in a… … Glossary of volcanic terms
viscosity — 1. The resistance of liquid to flow [16]. 2. The property of a real fluid creating shear forces between two fluid elements and giving rise to fluid friction [16]. Specifically, it is the ratio of the shear stress to the rate of shear… … Lexicon of Cave and Karst Terminology
viscosity — coefficient of resistance to flow. A fluid property that relates the magnitude of fluid shear stresses to the fluid strain rate, or more simply, to the spatial rate of change in the fluid velocity field. Mathematically, this is expressed as: t =… … Mechanics glossary
Shear stress — SI symbol: τ SI unit: pascal Derivations from other quantities: τ = F / A … Wikipedia
Extensional viscosity — is a viscosity coefficient when applied stress is extensional stress. [Barnes, H.A. A handbook of elementary rheology , Institute of non Newtonian Fluid Mechanics, 2000] .:This parameter is often used for characterizing polymer solutions.… … Wikipedia
shear stress — ▪ physics force tending to cause deformation of a material by slippage along a plane or planes parallel to the imposed stress. The resultant shear is of great importance in nature, being intimately related to the downslope movement of earth … Universalium
fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… … Universalium
