지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국유체기계학회 International Journal of Fluid Machinery and Systems International Journal of Fluid Machinery and Systems Vol.17 No.1
- 발행연도
- 2024.3
- 수록면
- 15 - 30 (16page)
- DOI
- 10.5293/IJFMS.2024.17.1.015
이용수
초록· 키워드
오류제보하기
In recent years, electronic devices have become smaller and denser. For example, fans mounted in steam exhaust units are required to be thinner from the standpoint of installation space, while maintaining performance. In this study, an optimization design method for thin multi blade fans was developed by combining design of experiments, three-dimensional steady and unsteady CFD analysis, response surface methods, and optimization methods. The performance of the optimized fan obtained by this design method was verified through performance tests, and the aerodynamic loss was quantitatively evaluated by developing a loss analysis method for centrifugal fans. As a result, the total pressure coefficient of the optimized fan increased and the power coefficient decreased compared to the original fan, and the total pressure efficiency improved by about 12.7% at the best efficiency point flow rate in the experimental value. This is because the theoretical total pressure coefficient decreased due to the smaller blade outlet angle of the optimized fan compared to the original fan, while the total aerodynamic loss decreased significantly due to the decrease in casing loss, impeller loss, and impeller friction loss in the impeller.
목차
Abstract
1. Introduction
2. Optimization Target and Optimization Design Method
3. CFD Analysis Method and Conditions
4. Experimental Apparatus and Method
5. Loss Analysis Method
6. Results and Discussions
7. Conclusions
References
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