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Influence of the Transducer Port on Water Pressure Measurement
| 题名： | Influence of the Transducer Port on Water Pressure Measurement |
| 正文语种： | eng |
| 作者： | Jia Shen;Haijiang Liu |
| 作者单位： | College of Civil Engineering and Architecture Zhejiang Univ. 866 Yuhangtang Rd. Hangzhou Zhejiang 310058 China;College of Civil Engineering and Architecture Zhejiang Univ. 866 Yuhangtang Rd. Hangzhou Zhejiang 310058 China |
| 关键词： | Pressure measurement; Air encapsulation; Ported pressure transducer; Deported pressure transducer. |
| 摘要： | In a laboratory experiment, air could be encapsulated inside a small port of a pressure transducer located in front of a sensing chip during water action on a structure, which may induce extra but unwanted air pressure, leading to inaccurate measurement of the desired water-induced pressure. In this study, both the ported and the deported pressure transducers are applied to the wave-pressure measurements regarding sinusoidal and solitary wave experiments. The present result shows that the influence of encapsulated air inside the transducer port can generally result in an underestimation of the measured water pressure. Accordingly, deported-type pressure transducers are recommended for the water-induced pressure measurement, especially in a small-scale laboratory experiment. |
| 出版年： | 2023 |
| 期刊名称： | Journal of Waterway, Port, Coastal and Ocean Engineering |
| 卷： | 149 |
| 期： | 4 |
| 页码： | 06023002.1-06023002.4 |
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