WebIn the second part of the experiment, compressible gas flow through an orifice was studied. An orifice is an obstruction meter used to determine the flow rate of a fluid. At the orifice, the diameter decreases to a minimum, so the velocity of the fluid reaches a maximum and the pressure reaches a minimum. Bernoulli’s equation (see Equation 2) WebFeb 1, 1988 · Summary Increased oil and gas production from offshore areas and hostile environments has led to a greater use of multiple- orifice-valve (MOV) wellhead chokes. Unlike conventional wellhead chokes, MOV's can be adjusted to any given choke area while under pressure, allowing wells in remote locations to be controlled from a central site.
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