- 著者
-
舟木 治郎
渕 拓也
大西 祐介
長坂 繁弥
多久島 朗
佐藤 誠司
平田 勝哉
- 出版者
- The Japan Society of Mechanical Engineers
- 雑誌
- 日本機械学会論文集 C編 (ISSN:03875024)
- 巻号頁・発行日
- vol.77, no.779, pp.2795-2804, 2011
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.