surface pressure flowing

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• Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …   Wikipedia

• Low-pressure area — This depiction of the Hadley cell shows the process which sustains low pressure areas. Diverging winds aloft allow for lower pressure and convergence at the Earth s surface, which leads to upward motion. A low pressure area, or low , is a region… …   Wikipedia

• Potentiometric surface — A potentiometric surface is based on hydraulic principles. For an example, we know that two connected storage tanks with one full and one empty will gradually fill/drain to the same level. This is because of atmospheric pressure and gravity. A… …   Wikipedia

• Road surface marking — is any kind of device or material that is used on a road surface in order to convey official information. Road surface markings are used on paved roadways to provide guidance and information to drivers and pedestrians. Uniformity of the markings… …   Wikipedia

• Capillary pressure — In fluid statics, capillary pressure is the difference in pressure across the interface between two immiscible fluids, and thus defined as:p c=p { ext{non wetting phase p { ext{wetting phase.In oil water systems, water is typically the wetting… …   Wikipedia

• dynamic pressure — noun 1. : the pressure on a surface at which a flowing fluid is brought to rest in excess of the pressure on it when the fluid is not flowing 2. : the quantity of air measured by most airspeed instruments and equal to the product 1/2ρV2 where ρ… …   Useful english dictionary

• aquifer, flowing artesian —    An artesian aquifer in which the water, under hydrostatic pressure rises above the land surface …   Lexicon of Cave and Karst Terminology

• 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

• Geology of Mars — Mars   Mars as seen by the Hubble Space Telescope Designations …   Wikipedia

• tornado — tornadic /tawr nad ik, nay dik/, adj. tornadolike, adj. /tawr nay doh/, n., pl. tornadoes, tornados. 1. a localized, violently destructive windstorm occurring over land, esp. in the Middle West, and characterized by a long, funnel shaped cloud… …   Universalium

• cave — cavelike, adj. /kayv/, n., v., caved, caving. n. 1. a hollow in the earth, esp. one opening more or less horizontally into a hill, mountain, etc. 2. a storage cellar, esp. for wine. 3. Eng. Hist. a secession, or a group of seceders, from a… …   Universalium