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A New Method for the Flowrate Measurement of Gas–Liquid Two-Phase Flow

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6 Author(s)
Dailiang Xie ; China Jiliang Univ., Hangzhou ; Wenjun Li ; Fang Wang ; Jianguang Zheng
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A new method for the flowrate measurement of gas-liquid two-phase flow is proposed. A multicircle flowmeter is designed based on the measurement principle of the conventional loop flowmeter. Four differential-pressure signals are obtained from the multicircle sensor at different positions. Multiparameters of the two-phase flow are obtained. The total flowrate measurement models of the two-phase flow are established using the average values of the differential-pressure signals. The volume fraction is estimated through the static and the dynamic differential-pressure analyses. The measurement of the liquid and gas flowrates is realized by association with the volume fraction. Experimental results show that the measurement accuracy supports the proposed methods.

Published in:

IEEE Transactions on Instrumentation and Measurement  (Volume:56 ,  Issue: 4 )