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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
- 학술대회자료
- 저자정보
- 발행연도
- 2015.11
- 수록면
- 167 - 171 (5page)
이용수
초록· 키워드
오류제보하기
In a gas turbine with wet compression system installed, erosion of compressor blades may occur due to fine water droplets hitting the surface. Numerical simulations are performed to study this phenomenon. The computational domain consists of a rotating plate on which four airfoil shaped blades are mounted. This is representative of a simultaneous experiment being performed. Sliding mesh method is used to incorporate rotary movement of the blades. Water is injected as spray using an impact-pin nozzle. Experimentally measured spray parameters like the flow rate, particle diameter, etc. are given as initial and boundary conditions in the simulations. Discrete Phase Model(DPM) is used to track the particles in the domain. Droplet parameters like average velocity, diameter and number of droplets hitting each cell on the blade surface are monitored. These parameters are then used in an empirical model to predict the rate of erosion on the surface. In this work, the effect of various blade rotational speed (rpm) on the blade erosion is reported.
목차
Abstract
1. Introduction
2. Numerical Model
3. 3Results and Discussions
4. Conclusion
References
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UCI(KEPA) : I410-ECN-0101-2016-550-002167546