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A de Laval nozzle (or convergent-divergent nozzle, CD nozzle or con-di nozzle) is a tube which is pinched in the middle, with a rapid convergence and gradual divergence. It is used to accelerate a compressible fluid to supersonic speeds in the axial (thrust) direction, by converting the thermal energy of the flow into kinetic energy .
Video of a Venturi meter used in a lab experiment Idealized flow in a Venturi tube. The Venturi effect is the reduction in fluid pressure that results when a moving fluid speeds up as it flows from one section of a pipe to a smaller section. The Venturi effect is named after its discoverer, the 18th-century Italian physicist Giovanni Battista ...
A vacuum ejector, or simply ejector, or aspirator, is a type of vacuum pump, which produces vacuum by means of the Venturi effect.. In an ejector, a working fluid (liquid or gaseous) flows through a jet nozzle into a tube that first narrows and then expands in cross-sectional area.
Venturi tube; Ejector venturi scrubber, a wet scrubber; Venturi effect, a fluid or air flow effect; Venturi mask, a medical device; Venturi meter, a device for measuring the flow rate of fluids in a pipe; Venturi pump, a pump using the venturi effect; Venturi scrubber, gas stream scrubber; Venturi Transport Protocol, transport layer protocol
The draught tube routes all blow-by gases back into the intake mixture and is usually located between the air filter and carburetor. Dry sump engines in some drag racing cars use scavenging pumps to extract oil and gases from the crankcase. [18] A separator removes the oil, then the gases are fed into the exhaust system via a venturi tube.
In 1996 English engineer Frederick Philip Selwyn patented a more compact hydraulic ram pump where the waste valve used the venturi effect and was arranged concentrically around the input pipe. [14] Initially patented as a fluid pressure amplifier due to its different design, it is currently sold as the "Papa Pump". [ 15 ]
Elliott Tool Technologies [1] was founded in September 1892 by an inventor and manufacturer named Gustav Wiedeke in his Dayton, Ohio home. He began designing and manufacturing specialized tools for servicing heat exchangers and water-tube boilers. [2] [3]
Advanced Drainage Systems, Inc. (ADS) is a company that designs, manufactures and markets polypropylene and polyethylene pipes, plastic leach field chambers and systems, septic tanks and accessories, storm retention/detention and septic chambers, polyvinyl chloride drainage structures, fittings, and water filters and water separators. [1]
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