Abstract
We propose a radio frequency (RF) sensor that is flexible and capable of measuring the volume fraction of the individual phase in a two or three phase combinations of oil, water and gas. The 28-port RF sensor is designed and optimized to operate at 250 MHz with an input power of 1 mW. By applying the least square method, an equation was obtained for dielectric constant estimation using the transmission coefficient of each RF sensor port. Static two phase combination of oil-water and three phase combination of oil-water-gas are experimentally validated with an average measured error percentages of 5.5% and 5% respectively.
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