U Tube Manometer With Different Diameters
We use the same data as in the example above except that the u tube is inclined 45 o. Right a bourdon tube gauge in which a coiled tube flattened into the cross section shown and attached to a fixed block is open to a pressurized fluid.
Using Manometers For Measuring Pressure
Example differential pressure measurement with an inclined u tube manometer.
U tube manometer with different diameters. This measurement is divided by the ratio of the areas a and b. The principle of operation of the u type manometer is shown on figure 5 1. Do you want to know more about different pressure scales the well manometer the well manometer is like the u tube manometer.
A reservoir manometer consists of a u tube in which the two arms have different diameters as shown in the figure below. With both legs of the instrument open to atmosphere or subjected to the same pressure figure 5 1 the liquid maintains exactly the same level or zero reference. This gives the unknown pressure.
How to solve manometer problems duration. The pressure difference head can then be expressed as. The liquid in the manometer is oil with a density of 830 kg m 3 and the fluids in contact with the oil are gases of negligible density.
Two types of pressure gauge left a u tube manometer in which differential pressure is measured as the difference h between the high pressure reading and the low pressure reading multiplied by the density of the liquid in the tube. What was the open end before is now connected to a different pressure so that we measure the difference. Inclining the tube manometer increases the accuracy of the measurement.
Competitive exam topic for ssc drdo dsssb upsc j e for railway delhi metro manometer u tube differential manometer fluid mechanics or hydraulics differential manometer a device which is used to measure difference of pressure between the two fluids which are flowing through the two different pipes or in same pipe at two different points is known as differential manometer. Types of manometer pressure measurement simple manometer piezometer u tube manometer single column manometer. Differential manometers can range from devices simple enough to be built at home to complex digital equipment.
The diameter on the narrow side is 10 mm and the diameter on the reservoir side is 25 0 mm. P d 9 8 kn m 3 10 3 n kn 10 mm 10 3 m mm. It is simply a glass tube bent to form the letter u and partially filled with some liquid.
A differential manometer is a device that measures the difference in pressure between two places. An instrument for measuring the pressure of a fluid consisting of a tube filled with. The pressure is measured in inches of water h 2 o.
Physics fluid flow 2 of 7 bernoulli s equation duration. 2 12 is very handy to measure the pressure difference directly and is basically similar to the u tube manometer discussed above. Michel van biezen 329 067 views.
It is used to measure very low pressures. Differential u tube manometer fig.
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