Journal
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
Volume 202, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.petrol.2021.108488
Keywords
Reduced model; System identification; BI-LSTM; Transfer function
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Two different two-phase flow regimes were examined using system identification methods to obtain reduced-order models. These models accurately capture flow dynamics and provide state-space frequency through transfer functions. Comparison with bidirectional neural network results showed 91% correlation in predicting phase fractions of the two-phase flows.
Two different two-phase flow regimes including slug and dispersed flows are examined through the implementation of system identification methods to attain reduced-order models. The obtained models accurately capture the flow dynamics of the studied regimes. The models also provide state-space frequency by defining the transfer functions. The system identification results are compared with those of the bidirectional neural network to predict the phase fraction of the considered two-phase flows. The result of long short-term memory shows correlations of 91% between the real and predicted phase fractions.
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