orifice flow

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• Orifice plate — Flat plate, sharp edge orifice ISO 5167 Orifice Plate An orifice plate is a device used for measuring the volumetric flow rate. It …   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

• Orifice — An orifice is any opening, mouth, hole or vent, as of a pipe, plate, or a body. Body orifice Orifice plate Calibrated orifice Nozzle Back Orifice See also Choked flow Needle valve Venturi effect Flow measurement …   Wikipedia

• orifice — [1] Opening through which gases flow. It is usually the final opening, or any opening controlled by a valve. [2] Accurate size opening for controlling fluid flow. See atomization orifice lateral atomization orifice …   Dictionary of automotive terms

• Flow coefficient — The flow coefficient of a device is a relative measure of its efficiency at allowing fluid flow. It describes the relationship between the pressure drop across an orifice, valve or other assembly and the corresponding flow rate.Coefficent of… …   Wikipedia

• Flow limiter — A flow limiter or flow restrictor is a device to restrict the flow of a fluid, in general a gas or a liquid [ [http://cat.inist.fr/?aModele=afficheN cpsidt=2098037 Supercritical fluid chromatographic detection by use of a parallel flow… …   Wikipedia

• orifice restrictor — A restrictor with a fixed aperture, passage, or hole meant to restrict the flow of fluid. This limiting of the flow of fluid causes the mechanism being operated by the system to move more slowly. See orifice check valve …   Aviation dictionary

• orifice check valve — A valve that permits the full flow of fluid in one direction and restricts it in the other direction. It may be fitted in the undercarriage circuit, which permits quick retraction and slow extension of the undercarriage. Fluid flow only in one… …   Aviation dictionary

• flow check piston — Piston assembly, with an orifice in the center, which can operate as an expansion valve …   Dictionary of automotive terms

• orifice plate — noun : a disk containing a calibrated circular hole bolted between two abutting pipe flanges to regulate flow …   Useful english dictionary

• Primary flow element — A primary flow element is the element of a flow meter that serves to indicate the quantity or velocity of flow. For example, in the case of an orifice flow meter, the differential pressure across the orifice plate is the primary flow element. A… …   Wikipedia