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논문 기본 정보

자료유형
학술저널
저자정보
Yoichi Kinoue (Saga University) Yuya Matsumoto (Saga University) Masaki Sakaguchi (Saga University) Norimasa Shiomi (Saga University)
저널정보
한국유체기계학회 International Journal of Fluid Machinery and Systems International Journal of Fluid Machinery and Systems Vol.14 No.1
발행연도
2021.3
수록면
34 - 41 (8page)
DOI
10.5293/IJFMS.2021.14.1.034

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초록· 키워드

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In order to examine the fundamental characteristics of a corner separation in a decelerating cascade flow, an experimental apparatus was made and the three-dimensional separation around a NACA65 blade in a decelerating channel flow was investigated experimentally. Effect of stagger angle of 14 deg. and 10 deg. on the channel flow was focused on. The experimental investigation by the five-hole probe showed that the accumulations of the low energy fluid was seen around the corner part and the overturning flow due to the secondary flow existed for 14 deg. of stagger angle, whereas the accumulations of the low energy fluid were seen at around midspan for 10 deg. of stagger angle. PIV measurement showed that various focus-type separations were seen in the flow for 10 deg. of stagger angle and three-dimensional vortex structure was considered by using a vortex filament.

목차

Abstract
1. Introduction
2. Cascade flow and channel flow
3. Experimental apparatus and procedure
4. Experimental results of blade surface pressure and five-hole probe
5. Experimental results by using PIV
6. Conclusions
References

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