지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Centrifugal pumps are used to transport fluids. Vertical multistage centrifugal pumps are used in various industrial fields because they have high pump efficiency and can be installed in places with limited space. However, the progression of cavitation owing to insufficient suction performance during pump operation under various operating conditions is a major limitation. Therefore, in this study, the optimal design of a splitter blade was derived to improve the suction and hydraulic performances of a vertical multistage centrifugal pump. The coordinate value of the 3D Bezier curve, which determines the meridional shape of the splitter blade, was selected as the design variable. Numerical studies were conducted under various operating conditions, and a surrogate model-based approximate optimization was performed using the design of experiments. The numerical analysis results were verified experimentally, and the cause of the improvement in the suction performance was examined by analyzing the flow field and pressure distribution.
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ABSTRACT
1. 서론
2. 실험 및 수치 해석 방법
3. 최적 설계
4. 결과 및 고찰
4. 결론
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