Abstract
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.
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