NationMaster - Encyclopedia: Mass flow rate

Encyclopedia > Mass flow rate

Mass flow rate is the movement of mass per time. Its unit is mass divided by time - kilogram per second in SI units, and slug per second or pound per second in US customary units. This article or section is in need of attention from an expert on the subject. ... Look up time in Wiktionary, the free dictionary. ... The definition, agreement and practical use of units of measurement have played a crucial role in human endeavour from early ages up to this day. ... Look up time in Wiktionary, the free dictionary. ... â€œKgâ€ redirects here. ... Look up second in Wiktionary, the free dictionary. ... Look up si, Si, SI in Wiktionary, the free dictionary. ... The slug is an English unit of mass. ... The pound or pound-mass (abbreviations: lb, lbm, or sometimes in the United States, #) is a unit of mass (sometimes called weight in everyday parlance) in a number of different systems, including English units, Imperial units, and United States customary units. ... U.S. customary units, commonly known in the United States as English unitsâ€”but see English unitâ€”or standard units, are units of measurement that are currently used in the USA, in some cases alongside units from SI (the International System of Unitsâ€”the modern metric system). ...

Mass flow rate can be calculated from the density of the liquid (or gas), its velocity, and the cross sectional area of flow. For other uses, see Density (disambiguation). ... This article is about velocity in physics. ... A 3-D view of a beverage-can stove with a cross section in yellow. ... In fluid dynamics, the rate of fluid flow is the volume of fluid which passes through a given area per unit time. ...

${dot m}$ = ${rho cdot Vcdot A}$

where:

${dot m}$ = mass flow rate

$ρ$ = density

V = velocity

A = flow area

The mass flow rate can also be calculated by multiplying the volume flow rate by the density. In fluid dynamics, the volumetric flow rate, also volume flow rate and rate of fluid flow, is the volume of fluid which passes through a given volume per unit time (for example cubic meters per second [m3/s] in basic SI units or gallons per minute). ...

${dot m}$ = ${rho cdot Q}$

where:

$ρ$ = density

Q = volume flow rate

Categories: Fluid dynamics | Physical quantity A mass flow meter, also known as inertial flow meter and coriolis flow meter, is a device that measures how much liquid is flowing through a tube. ... In fluid dynamics, the volumetric flow rate, also volume flow rate and rate of fluid flow, is the volume of fluid which passes through a given volume per unit time (for example cubic meters per second [m3/s] in basic SI units or gallons per minute). ... This article is about the concept of flux in science and mathematics. ... Fluid dynamics is the sub-discipline of fluid mechanics dealing with fluids (liquids and gases) in motion. ... An orifice plate is a device which measures rate of fluid flow. ... A mass flow controller A mass flow controller (MFC) is used to measure and control the flow of gases. ...

Results from FactBites:

Patents in Class 73/202 (2325 words)
	A fluid flow detecting apparatus is disclosed for detecting a characteristic of fluid flowing in a fluid passage.
	A flow rate sensor includes a main conduit, a sensor tube and a bypass tube connecting an upstream portion of the main conduit to a downstream portion of the main conduit such that flow through the main conduit is divided through the sen...
	A heating resistor flow rate measuring instrument, having a heating resistor and a thermally sensitive resistor disposed in a sub-passage of a main passage.

Non-intrusive mass flow measuring apparatus and method - Patent 5233868 (4140 words)
	Several of such mass flow rate versus normalized temperature parameter curves are used at different input temperatures to express the mass flow rate in terms of a polynomial having certain constant terms and input temperature and the normalized temperature parameter as variables.
	The mass flow rate of fluid flowing through the conduit is then determined using the preferably empirically determined relationship for mass flow in terms of the input temperature and the normalized temperature parameter, and constants determined in the in situ calibration procedure.
	1 is a schematic representation of a mass flow measuring apparatus embodying the principles of the invention.

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Encyclopedia > Mass flow rate

See also