Flow may be measured by measuring the velocity of fluid over a known area. Positive-displacement flowmeters, which accumulate a fixed volume of fluid and then count the number of times the volume is filled to measure flow.įlow measurement methods other than positive-displacement flowmeters rely on forces produced by the flowing stream as it overcomes a known constriction, to indirectly calculate flow.Obstruction type (differential pressure or variable area).The common types of flowmeters with industrial applications are listed below:
Flow can be measured using devices called flowmeters in various ways. Flow measurement is the quantification of bulk fluid movement.
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