VENTURI METER THEORY EBOOK

The rotameter, the orifice meter, and the venturi meter are only a few. THEORY. Figure 1. Flow measurement apparatus. The flow measurement apparatus. References for Venturi Meters with worked examples. All the examples above and the theory have examined horizontal meters. Venturi meters are flow measurement instruments which use a converging section of pipe to give an increase in the flow velocity and a corresponding pressure.


VENTURI METER THEORY EBOOK

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VENTURI METER THEORY EBOOK


Introduction Venturi Meter are used to measure the velocity of flow of fluids in a pipe.

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They consist of a short length of pipe shaped like a vena contracta, or the portion with the least cross-sectional area, which fits into a normal pipe-line. The obstruction caused to the venturi meter theory of liquid at the throat of the venturi produces a local pressure venturi meter theory in the region that is proportional to the rate of discharge.

This type of pressure measurement may be more convenient, for example, to measure fuel or combustion pressures in jet or rocket engines.

VENTURI METER THEORY EBOOK

The first large-scale Venturi meters to measure liquid flows were developed by Clemens Venturi meter theory who used them to measure small and large flows of water and wastewater beginning at the end of the 19th century. It is the portion of the venturimeter venturi where the fluid gets diverges.

It states that in a steady, ideal flow of an incompressible fluid, the total energy venturi meter theory any point of the fluid is constant.

The total energy consists of pressure energy, kinetic energy and potential energy or datum energy. Venturi meter theory Here all the energies are taken per unit weight of the fluid. It has three main parts Short converging part: Notice when venturi meter theory pipe contracts, the fluid element must stretch out accelerate in order to fit through the pipe.

If you stuck a pitot tube into the pipe, the water would rise to this line. However, Kochen et al.

Theoretical Fluid Mechanics: Venturi Meter – Mike Soltys, Ph.D.

Venturi meter theory Organization for Standardization, Measurement of fluid flow by means of pressure differential devices—Part 1: The differential pressure sensor attached between the entry and throat section of the venturi meter records the pressure difference P1-P2 which becomes an indication of the flow rate of the fluid through the pipe when calibrated.

The diverging section has been provided to enable the fluid to regain its pressure and hence its kinetic venturi meter theory. Lesser the angle of the diverging section, greater is the recovery.

It is used where high pressure recovery is required.