Abstract
The flow of a gas-liquid across the orifice plate occurs a pressure drop. It employs a two-phase multiplier to estimate the average pressure drop. In the present times, the two-phase multiplier does not account for the orifice size, becoming incomplete models. The introduction of the area contraction ratio is the novelty of this paper. The proposed model employs a two-phase multiplier depending on the quality, densities ratio, area contraction ratio, and two constants extracted from experimental databases. The proposed model has a low bias, applicable for densities ratio, (ρL/ρG), of 3.05 to 800 and an area contraction ratio of 0.072 to 1.000.
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