VENTURI TUBE Meaning and
Definition
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A Venturi tube refers to a device used for measuring the flow rate of a fluid, typically a liquid or a gas, by utilizing the principle of fluid dynamics. It consists of a converging-diverging tube with a narrow throat in the middle, designed to create a pressure difference between the entrance and exit of the tube.
The working principle of a Venturi tube relies on Bernoulli's principle, which states that as the speed of fluid increases, the pressure it exerts decreases. When fluid passes through the entrance of the Venturi tube, it is forced to accelerate and therefore the pressure decreases. As it reaches the throat, the fluid velocity reaches its maximum, resulting in the lowest pressure in this section. Finally, as the fluid flows into the diverging region, its velocity decreases, causing the pressure to increase once again.
The pressure difference between the entrance and throat of the Venturi tube is measured using an instrument, such as a manometer. By calculating the pressure difference, the flow rate of the fluid can be determined through the use of specific equations or calibration charts.
Venturi tubes find extensive applications in various industries, including engineering, fluid mechanics, and fluid dynamics. They are commonly utilized in flow measurement systems for water supply networks, chemical processes, and HVAC (heating, ventilation, and air conditioning) systems.
Common Misspellings for VENTURI TUBE
- centuri tube
- benturi tube
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- vwnturi tube
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Etymology of VENTURI TUBE
The word "Venturi Tube" is named after Giovanni Battista Venturi, an Italian physicist. He discovered the principle of a constriction in fluid dynamics, which is known as the Venturi effect. This principle involves the increase in the velocity of a fluid passing through a narrow passage while its pressure decreases. The Venturi tube is a device that incorporates this principle and is used to measure the flow rate of a fluid in various applications, such as in plumbing, industrial processes, and air intake systems. Thus, the term "Venturi Tube" was derived from the name of its discoverer, Giovanni Battista Venturi.
