Measurements of Minute Unsteady Pressure on Three-Dimensional Fan

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 so...

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Veröffentlicht in:	Journal of Environment and Engineering 2010, Vol.5(2), pp.298-310
Hauptverfasser:	FUNAKI, Jiro, FUCHI, Takuya, ONISHI, Yusuke, NAGASAKA, Shigeya, TAKUSHIMA, Akira, SATO, Seiji, HIRATA, Katsuya
Format:	Artikel
Sprache:	eng
Schlagworte:	Blades Environmental Engineering Fluctuating Pressure Fluctuation Low Speed Pressure Measurement Propeller Fan Propellers Rotating Spatial distribution Unsteady Unsteady Pressure
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description	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.
doi_str_mv	10.1299/jee.5.298
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source	J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese; EZB-FREE-00999 freely available EZB journals; Free Full-Text Journals in Chemistry
subjects	Blades Environmental Engineering Fluctuating Pressure Fluctuation Low Speed Pressure Measurement Propeller Fan Propellers Rotating Spatial distribution Unsteady Unsteady Pressure
title	Measurements of Minute Unsteady Pressure on Three-Dimensional Fan
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