Abstract
The applicability of wedge meters and segmental orifice meters to monitor the flow rate of oil-in-water emulsions was investigated. A flow loop consisting of wedge meters and segmental orifice meters of various shapes and sizes was designed and developed. The discharge coefficients were determined for various differently concentrated oil-in-water emulsions. The oil concentration was varied from 0% to 75.18% by volume. The results indicate that wedge meters and segmental orifice meters are feasible flow-measuring devices for emulsions. The single-phase calibration curves (discharge coefficient vs. Reynolds number) are applicable to two-phase oil-in-water emulsions. The size and shape of the wedge element have a significant effect on the discharge coefficient.
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