Variations in the tides or tidal currents due to changes in the phase of the moon. At the times of new and full moon the ti
Related Terms |
MULTIPHASE FRACTION METER
A device for measuring the phase area fractions of oil, gas and water of a multiphase flow through a cross-section of a conduit.
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PHASE FLOW RATE
The amount of one phase of a multiphase flow flowing through the cross-section of a conduit in unit time. The phase flow rate may be specified as phase volume flow rate or as phase mass flow rate.
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SLIP VELOCITY
The phase velocity difference between two phases.
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SLIP RATIO
The ratio between two phase velocities.
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MULTIPHASE FLOW
Two or more phases flowing simultaneously in a conduit; this document deals in particular with multiphase flows of oil, gas and water.
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MULTIPHASE METER
A device for measuring the phase area fractions and flow rates of oil, gas and water of a multiphase flow through a cross-section of a conduit. It is necessary to specify whether the multiphase meter measures volume or mass flow rates.
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PHASE VELOCITY
The velocity of one phase of a multiphase flow at a cross-section of a conduit. It may also be defined by the relationship (Superficial phase velocity * Phase area fraction).
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SUPERFICIAL PHASE VELOCITY
The flow velocity of one phase of a multiphase flow, assuming that the phase occupies the whole conduit by itself. It may also be defined by the relationship (Phase volume flow rate / Pipe cross-section).
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MIXTURE PHASE
In this document, “phase” is used in the sense of one constituent in a mixture of several. In particular, the term refers to either oil, gas or water in a mixture of any number of the three.
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PHASE VOLUME FRACTION
The phase volume flow rate of one of the phases of a multiphase flow, relative to the multiphase volume flow rate.
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