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What is the operating principle of the venturi meter of flow measurement?
Wiki User
∙ 11y ago
Air flowing quickly over the open top of a vertical tube lowers the air pressure in it. This causes liquid in the tube to rise. (It rises due to the higher pressure acting on the other end. The tube is marked to indicate the wind speed.
Alternatively, if the open vertical tube is in still air and it is connected at its lower end with a horizontal tube containing a flowing liquid, the liquid in the vertical tube will fall when the horizontal flow past the lower end increases.
Wiki User
∙ 11y ago
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Which is smaller a gram or a meter?
You can not compare the two, a gram is a weight measurement and a meter is a length measurement.
Which bigger a meter or a kilogram?
They are orthogonal - that is to say, they do not connect at all. A meter is a measurement of distance, while a kilogram is a measurement of mass.
What is unit of measurement of RMS?
how many meter are there in 450 running meter
The meter is the base unit of measurement for length in the standard measurement system?
True.
What is the main unit of measurement for length?
The meter.
What is venturi meter?
Measuring flow of a fluid based on Bernoulli's principle.
Fluid mechanics in venturi meter?
Venturi Meter is a device used for measuring the flow of the fluid.
How accurate is a venturi meter?
9
Why is coefficient of discharge of venturi meter is more than coefficient of discharge of orifice meter?
In Venturi meter losses are less so coefficient of discharge is higher whereas in orifice meter due to no convergent and divergent cones there are more losses and hence its coefficient of discharge is less.In venturi meter losses are low due to steamline shape of the diffuser and the pressure gradient is not abrupt as in case of orifice meter.
Tell me the main uses of venturi meter?
The discharge coefficient is near unity and Non-recoverable net head loss is very small.
What is the order of efficiency of venturi meter orifice meter and rotoameter?
The orifice plate can easily be changed to accomodate widely different flow rates, whereas the throat diameter of a venturi is fixed, so that its range of flow rates is circumscribed by the practical limits of Dp.The orifice meter has a large permanent loss of pressure because of the presence of eddies on the downstream side of the orifice-plate; the shape of the venturi meter prevents the formation OS these eddies and greatly reduces the permanent loss.The orifice is cheap and easy to install. The venturi meter is expensive, as it must be carefully proportioned and fabricated. A home made orifice is often entirely satisfactory, whereas a venturi meter is practically always purchased from an instrument dealer.On the other hand, the head lost in the orifice for the same conditions as in the venturi is many times greater. The power lost is proportionally greater, and, when an orifice is inserted in a line carrying fluid continuously over long periods of time, the cost of the power may be out of all proportion to the saving in first cost. Orifices are therefore best used for testing purposes or other cases where the power lost is not a factor, as in steam lines.However, in spite of considerations of power loss, orifices are widely used, partly because of their greater flexibility, because installing a new orifice plate with a different opening is a simpler matter. The venturi meter can not be so altered. Venturi meters are used only for permanent installations.It should be noted that for a given pipe diameter and a given diameter of orifice opening or venturi throat, the reading of the venturi meter for a given velocity is to the reading of the orifice as (0.61/0.98)2, or 1:2.58.(i.e. orifice meter will show higher manometer reading for a given velocity than venturi meter).
What is the principle on which LCR meter works?
It uses Impedance technique. Check Out some LCR meter data sheets such as Agilent user manual it has a break down on the measurement principles or search for books on instrumentation and measurement which explain the actual circuit diagram.
What principle of venturi meter?
the basic principle on which a Venturimeter works is that by reducing the cross-sectional area of the flow passage, a pressure difference is created and by measuring this pressure difference, discharge through the pipe can be determined. formula to find actual discharge is=amount of fluid collected/time taken it works on the principle of bernoulli"s equation
What is the working principle of a q-meter?
Q-meter works on the principle of Series Resonance
Explain basic principle of analog clamp meter?
basic principle of analogue clamp meter
How many sqfeet are in a meter?
Sq feet is an area measurement. Meter is a lineal measurement - there is no correlation.
Which is smaller a gram or a meter?
You can not compare the two, a gram is a weight measurement and a meter is a length measurement.
