variable area flow

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• Variable area meter — A variable area meter is a meter that measures fluid flow by allowing the cross sectional area of the device to vary in response to the flow, causing some measurable effect that indicates the rate.A rotameter is example of a variable area meter …   Wikipedia

• 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

• Variable Cycle Engine — In a Variable Cycle Engine (VCE) the engine cycle is deliberately modified from that which would occur under normal circumstances.The next generation of Supersonic transport (SST) may require some form of VCE. SST engines require a high Specific… …   Wikipedia

• Variable Density Tunnel — Infobox nrhp name = Variable Density Tunnel nrhp type = nhl caption = The tank of the Variable Density Tunnel arriving in 1922 lat degrees = 37 lat minutes = 4 lat seconds = 43 lat direction = N long degrees = 76 long minutes = 20 long seconds =… …   Wikipedia

• Flow chemistry — In flow chemistry, a chemical reaction is run in a continuously flowing stream rather than in batch production. In other words, pumps move fluid into a tube, and where tubes join one another, the fluids contact one another. If these fluids are… …   Wikipedia

• Variable-message sign — Sign over Interstate 94 in Saint Paul, Minnesota, advising of a road blockage during a winter storm …   Wikipedia

• variable inlet — A variable geometry air breathing engine inlet whose area, lip, wedge, or center body axial position and duct profile can all be suitably changed to meet the requirements of mass flow and the position of shock waves. An example of variable inlet …   Aviation dictionary

• Compressible flow — is the area of fluid mechanics that deals with fluids in which the fluid density varies significantly in response to a change in pressure. Compressibility effects are typically considered significant if the Mach number (the ratio of the flow… …   Wikipedia

• Rayleigh flow — refers to diabatic flow through a constant area duct where the effect of heat addition or rejection is considered. Compressibility effects often come into consideration, although the Rayleigh flow model certainly also applies to incompressible… …   Wikipedia

• Cross-flow filtration — Diagram of cross flow filtration In chemical engineering, biochemical engineering and protein purification, crossflow filtration[1] (also known as tangential flow filtration[2 …   Wikipedia

• Control variable — For the notion of a controlled variable, see independent variable. The term control variable has different meanings, depending on the area/place in which it is used. The control variable is something that is constant and unchanged in an… …   Wikipedia