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Based on photodiode array, an optical measurement system is established for gas-liquid two-phase flow in small tubes. A method is proposed for characterization and flow regime identification of gas-liquid two-phase flow. In the experiment, different flow regimes are observed in a horizontal glass tube with inner diameter of 4.02mm and outer diameter of 6.12mm, and voltage signals are obtained from...
A simple flow regime detection method of gas-liquid two-phase flow is presented, used in mini-pipes. First, the capacitance signals are obtained, and some simple statistics eigenvalues, such as mean value, standard deviation, total energy, average amplitude, zero-crossing rate and probability density function, are analyzed and used to identify the flow regimes. The principal component analysis (PCA)...
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