1 April 2016 In-situ measurement of the height of condensed water in steam pipes with dynamic flow
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Abstract
A method based on the use of enhanced filtered Hilbert envelope of the wave signal was developed in order to monitor the height of condensed water through the wall of steam pipes having dynamic flow conditions. A prototype testbed was designed and fabricated in this study to simulate the dynamic flow conditions including the air stream flowing above the water and bubble induced disturbance. A dual-transducer was used to perform the test as a basis for the multiple transducers system to facilitate the detectability and reliability for long term monitoring of the condensed water height in dynamic conditions. The results demonstrated that the method of measuring the water height using multiple-transducer system employing the developed novel signal processing technique is an efficient and accurate tool for practical applications.
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Shyh-Shiuh Lih, Hyeong Jae Lee, Yoseph Bar-Cohen, "In-situ measurement of the height of condensed water in steam pipes with dynamic flow", Proc. SPIE 9805, Health Monitoring of Structural and Biological Systems 2016, 980510 (1 April 2016); doi: 10.1117/12.2219217; https://doi.org/10.1117/12.2219217
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