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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국유체기계학회 International Journal of Fluid Machinery and Systems International Journal of Fluid Machinery and Systems Vol.15 No.3
- 발행연도
- 2022.9
- 수록면
- 385 - 400 (16page)
- DOI
- 10.5293/IJFMS.2022.15.3.385
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초록· 키워드
오류제보하기
The behaviors of surge frequencies in multi-stage axial-flow compressors are studied by use of several non-dimensional parameters on the basis of numerical-experimental results. One of the essential parameters proves to be a flowpath-average reduced surge frequency multiplied by the stalling pressure ratio and the tip-Mach number. Framework map in terms of such parameters against reduced resonance frequencies can provide a whole view of the surge frequency behaviors, including various characteristic zones of surge behaviors, i.e., convective surges, near-resonant surges, degenerated surges, and multi-stage effects. Particularly, for the convective surges, the surge frequency parameter comes to have a nearly constant value over a wide range of the reduced resonance frequencies, independently of number of stages, speeds, and pressure ratios, etc., of the compressors. The map is practically useful for the evaluation of deep-surge frequencies. At the same time, it could form a base for further investigations into the surge phenomena.
목차
Abstract
1. Introduction
2. Procedures of Analysis of Compressor Surges
3. Basic Parameters and Framework Concerned with Surge Frequency Behaviors
4. Improved Framework of the Surge Frequency Behaviors
5. Behaviors of Surge Frequencies in Variable-speed Multi-stage Compressors
6. Behaviors of Reduced Surge Frequencies in Reference to Axial Motion Parameter (AMP)
7. Summary and Considerations
8. Conclusion
References
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