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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 ...
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For air with a heat capacity ratio =, then =; other gases have in the range 1.09 (e.g. butane) to 1.67 (monatomic gases), so the critical pressure ratio varies in the range < / <, which means that, depending on the gas, choked flow usually occurs when the downstream static pressure drops to below 0.487 to 0.587 times the absolute pressure in ...
Pressure drop (Δp) Liquid-to-gas ratio (L/G) Liquid-inlet pressure (p L) Removal efficiency: Applications: Gases: 1.3–13 cm of water 7-13 L/m 3: 100-830 kPa 95% for very soluble gases Pulp and paper industry Chemical process industry Food industry Metals processing industry Particles: 0.5-5 in of water 50-100 gal/1,000 ft 3: 15-120 psig 1 ...
The United States EPA recommends using an air purifier to "reduce airborne contaminants." Get this one while it's on sale on Amazon. America's No. 1 best-selling air purifier is on sale for Prime Day
5 Amazing Air Purifiers on Sale at Amazon — From $38 to $300. Suzy Forman. September 26, 2023 at 3:09 PM. ... Related: The Best Early Amazon Prime Day 2023 Home Deals — Up to 62% Off.
A simplified version of the definition is: The k v factor of a valve indicates "The water flow in m 3 /h, at a pressure drop across the valve of 1 kgf/cm 2 when the valve is completely open. The complete definition also says that the flow medium must have a density of 1000 kg/m 3 and a kinematic viscosity of 10 −6 m 2 /s , e.g. water.
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