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논문 기본 정보

자료유형
학술저널
저자정보
Xianfang Wu (Jiangsu University) Guanghui Pan (Jiangsu University) Heming Liu (Anhui Liuxiang Special Ship) Minggao Tan (Jiangsu University) Houlin Liu (Jiangsu University)
저널정보
한국유체기계학회 International Journal of Fluid Machinery and Systems International Journal of Fluid Machinery and Systems Vol.18 No.1
발행연도
2025.3
수록면
48 - 57 (10page)
DOI
10.5293/IJFMS.2025.18.1.048

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초록· 키워드

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To clarify the effect of the double-suction pump suction chamber rib and its installation on the induced noise of the pump, suction chamber models with different rib positions are designed. The RANS method and the standard k-ε turbulence model are used to simulate the internal flow in the pump and the direct boundary element method is applied to numerically calculate the flow-induced noise sound field in the pump. The results show that the pressure pulsation amplitude in the main frequency of the pump has been reduced after the installation of the rib, and the largest decrease is at the seventh section of the volute under the central rib scheme, up to 53.2%. The high sound pressure areas of the suction chamber, impeller, and volute are mainly distributed at their outlets. After the installation of suction chamber rib, the range of high sound pressure areas and maximum sound pressure values in these flow-passing components are reduced. The main frequency of flow induced noise under each scheme appears at one time the blade passing frequency. The sound pressure reduced most at the inlet of the suction chamber due to the influence of the rib, with the largest reduction of 8.49% in center rib scheme. The research results can provide a theoretical reference for optimizing the noise characteristics of double suction pump.

목차

Abstract
1. Introduction
2. Research model and method
3. Result and discussion
4. Conclusion
Reference

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