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Gas-liquid two-phase flow is a commonly encountered multiphase flow phenomena in process industries. The flow behavior of each typical flow pattern is urged to know in order to further understand its inherent flow mechanism. This paper aims to characterize the flow pattern of gas-water two-phase flow within a horizontal pipe by the Multivariate Multiscale Entropy (MMSE) analysis with the measured...
Phase distribution within an annular channel is desired to know as precise as possible for industrial processes like cooling system and etc. Electrical Resistance Tomography (ERT) can be used to achieve this task since it is a non-invasive visualization technique. However, the internal structure which forms the annulus with the pipe wall makes the reconstruction of phase distribution different from...
Gas-water two-phase flow is of significance in industrial process and scientific research field. Its flow regime determines the flow parameters and the method of flow measurement. Precise identification of flow regime has been a popular subject for a long time. In this work, a series experiments on gas-water two-phase flow were conducted in a 50 mm diameter horizontal pipe, the flow parameters were...
Flow regime recognition plays a fundamental role in two-phase flow measurement. Based on the characters information provided by dual-plane electrical resistance tomography (ERT) system, a method of flow regime recognition in horizontal pipe based on D-S evidence theory is brought forward. A particular way to acquire the basic probability assignment function in D-S evidence theory is introduced. Every...
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