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# INCLINED VENTURI METER

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on 30 September 2013

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#### Transcript of INCLINED VENTURI METER

EXAMPLE QUESTION
INCLINED VENTURI METER
what is derivation?
what is the function of U-type
of gauge or manometer?
VENTURI METER
is an expression for the
rate of flow through an
inclined venturi meter.
used to measure the pressure difference.

* the gauge reading will be the same for a given discharge irrespective of the inclination of the meter
A vertical venturi meter measures the flow of oil of specific gravity 0.82 and has an entrance of 125mm diameter and throat of 50mm diameter. There are pressure gauges at the entrance and at the throat , which is 300mm above the entrance. If the coefficient for the meter is 0.97 and pressure difference is 27.5 kN/m^2 , calculate the actual discharge in m^3/s.
INTRODUCTION
venturi tube consist of a plain tube with a smooth constriction in its bore at the middle.
usually found in carburetor , fluid flow meters and aircraft airspeed indicators.
this version is made of glass and has three side tubes for attaching a manometer.
when high pressure air is applied from the air tank, the water level in the three manometer legs is clearly different.
INCLINED VENTURI METER
from the picture, at the entrance to the meter which is area, velocity, pressure and elevation are A1, v1, p1, and z1 respectively and at the throat , the corresponding value are A2, v2, p2, and z2.
formula:
1
2
3
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