| Features of Rotating Stall Cell in a Diagonal Flow Fan（in Case of Mid-loading Rotor） |
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| 作者单位： | Department of Mechanical Engineering Saga University Saga 840-8502 Japan，Department of Mechanical Engineering Saga University Saga 840-8502 Japan，Department of Mechanical Engineering Saga University Saga 840-8502 Japan，Department of Mechanical Engineering Saga University Saga 840-8502 Japan |
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| 摘 要： | The structure and behavior of rotating stall cell were experimentally clarified in a diagonal flow fan. The specific-speed of the fan was 1140 (r/min, m3/min, m), and the total pressure-rise coefficient at design flow-rate was 0.345. The static pressure on outer casing wall and the total pressure at rotor inlet and outlet were measured using a high response pressure transducer. The measured data were processed by the use of DPLA technique, and the structure and behavior of rotating stall cell were obtained. As a result, the stall cell extent for circumferential and spanwise direction and the pressure distributions inside stall cell were clarified. The details of stall cell propagation were also shown.
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| 关 键 词： | 对角流风扇 不稳定流 DPLA技术 流速 |
| 收稿时间： | 2005-05-19 |
Features of rotating stall cell in a diagonal flow fan (in case of mid-loading rotor) |
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| N. Shiomi,K. Kaneko,Y. Kinoue,T. Setoguchi. Features of rotating stall cell in a diagonal flow fan (in case of mid-loading rotor)[J]. Journal of Thermal Science, 2006, 15(2): 103-108. DOI: 10.1007/s11630-006-0103-x |
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| Authors: | N. Shiomi K. Kaneko Y. Kinoue T. Setoguchi |
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| Affiliation: | (1) Department of Mechanical Engineering, Saga University, Saga 840-8502, Japan |
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| Abstract: | The structure and behavior of rotating stall cell were experimentally clarified in a diagonal flow fan. The specific-speed of the fan was 1140 (r/min, m3/min, m), and the total pressure-rise coefficient at design flow-rate was 0.345. The static pressure on outer casing wall and the total pressure at rotor inlet and outlet were measured using a high response pressure transducer. The measured data were processed by the use of DPLA technique, and the structure and behavior of rotating stall cell were obtained. As a result, the stall cell extent for circumferential and spanwise direction and the pressure distributions inside stall cell were clarified. The details of stall cell propagation were also shown. |
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| Keywords: | diagonal flow fan rotating stall cell unsteady flow DPLA technique. |
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