圧力センサの取付方と壁面変動圧力の測定値との関係

概要

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By reviewing the detailed investigations carried out on time-fluctuating wall pressure measurements in unsteady flow field, the selection of pressure transducer, installation method of it and data reducing process are investigated. Moreover, in present paper is experimentally investigated the influence of pressure transducer installation method on the measurement results. In results, the levels of the time-averaging result of wall pressure and rms value of the fluctuating wall pressure show lower value in the submergence case than flushness installation of pressure transducer. Its influential degree of time-averaging value mainly becomes low as increasing the diameter of pressure measuring hole size, however, it becomes clear that the rms value is almost independent of the installation method of transducer.
九州大学の論文