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16 November 2004 Design of an applied optical fiber process tomography system
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Abstract
The study and measurement of two-phase flow is very important in industry, since the components, contents and distributions of the flow have great influence on the produce involving its quality, cost and even safety. Many methods have been perused including electrical capacitance tomography (ECT), electrical impedance tomography (EIT) and ultrasonic computed tomography (UCT), while optical fiber process tomography (OFPT) is a new one, which owns all the advantages of the optical fiber sensors, such as small, safety, free of electromagnetic interference and having high sensitivity in the measurement of low-density transparent media. In this paper, a practical optical fiber process tomography system is developed, which can be used in the industry filed to measure the medium distributions and contents. The liquid-solid samples are measured and reconstructed and the results show that positions of the solid objects are reoccurred exactly. The crude oil with opaque performance can be regarded as the solid, so that the oil-water two-phase flow can be measured the same as liquid-solid two-phase flows by the new OFPT system. The relative reconstructed resolution is 1.67 from experimental results.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yanbiao Liao, Chunsheng Yan, Shurong Lai, and Min Zhang "Design of an applied optical fiber process tomography system", Proc. SPIE 5579, Photonics North 2004: Photonic Applications in Telecommunications, Sensors, Software, and Lasers, (16 November 2004); https://doi.org/10.1117/12.567278
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