Measurements of minute unsteady pressure on three-dimensional fan

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Abstract

The present study is a fundamental approach to reveal the minute fluctuating pressures on three-dimensional blade surfaces of a basic propeller fan. Because, among the concerning physical quantities, the unsteady pressures on the rotating blades give us useful information for the fan flow and its sound-noise level. The authors correct the centrifugal-force effect, the gravitational-force effect and the other leading-error effects for accurate measurements of the minute pressures using a measuring technology developed by the authors (Hirata et al., 2009). As a result, we show the Reynolds-number effects and the spatial distributions on the blade of both time-mean pressure and pressure-fluctuation intensity. © 2011 The Japan Society of Mechanical Engineers.

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APA

Funaki, J., Fuchi, T., Onishi, Y., Nagasaka, S., Takushima, A., Sato, S., & Hirata, K. (2011). Measurements of minute unsteady pressure on three-dimensional fan. Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, 77(779), 2795–2804. https://doi.org/10.1299/kikaic.77.2795

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