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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.12 No.4
- 발행연도
- 2019.12
- 수록면
- 302 - 321 (20page)
- DOI
- 10.5293/IJFMS.2019.12.4.302
이용수
초록· 키워드
오류제보하기
Essential causes of stall stagnations in systems of a compressor and flowpaths were examined with emphasis on axially travelling wave conditions of small disturbance oscillations in a simplified model of the system. The situation could be measured in terms of both the total phase differences across the whole flowpath and the phase differences experienced by the fluid particles in passing through the whole flowpath. In the situation where the total phase difference is larger, the average accelerations of the fluid mass tend to be smaller. On the other hand, when the phase difference of the passing fluid particles is smaller, the fluid particles tend to be excited by two frequencies separated much by modulations similar to Doppler shift effect. The situation tends to disorder the intrinsically synchronous oscillations of the flow and to suppress the fluid motion amplitudes. Both effects tend to result in the stall stagnations in the system. The behaviors of the phase-related parameters were compared with those of the stall-stagnation boundaries predicted by simulations on single-stage compressors. From the fairly good coincidences between both behaviors in the neighborhood of stagnation boundaries, the phase phenomena could be considered as one of possible candidates for the essential cause of the stall stagnations.
목차
Abstract
1. Introduction
2. A System of Compressor and Flowpath for Study
3. Modes of Flow Oscillations
4. Phase Propagations of Oscillations
5. Related Parameters and Their Effects on the Stall Stagnation Boundaries
6. Relations of the Parameters in Relation with Uniform-Flow Cases
7. Behaviors of the Parameters Normalized by the Suction Mach Number
8. Considerations
9. Summary
10. Conclusions
References
참고문헌 (7)
참고문헌 신청
Greitzer, E. M. / 1976 / Surge and Rotating Stall in Axial Flow Compressors, Part I: Theoretical Compression System Model / ASME, Journal of Engineering for Power 98:190~198
Greitzer, E. M. / 1976 / Surge and Rotating Stall in Axial Flow Compressors, Part II: Experimental Results and Comparison with Theory / ASME, Journal of Engineering for Power 98:199~217
Ishizawa, K. / 2006 / Present State and Future of Turbofan Engines for Combat Aircrafts, Lecture for Engineers - Basic Structure Developments and Advanced Technologies (in Japanese)” in “Leading Edges of New Weapons, Series 2, Separate Volume / Japan Military Review :56~70
Nobuyuki Yamaguchi / 2016 / A Comparison of Surge Behaviors in Multi-Stage and Single-Stage Axial Flow Compressors / International Journal of Fluid Machinery and Systems 9(4):338~353
Nobuyuki Yamaguchi / 2017 / A Study on the Fundamental Cause of Stall Stagnation Phenomena in Surges in Compressor Systems / International Journal of Fluid Machinery and Systems 10(2):119~137
Greitzer, E. M. / 1976 / Surge and Rotating Stall in Axial Flow Compressors, Part II: Experimental Results and Comparison with Theory / ASME, Journal of Engineering for Power 98:199~217
Ishizawa, K. / 2006 / Present State and Future of Turbofan Engines for Combat Aircrafts, Lecture for Engineers - Basic Structure Developments and Advanced Technologies (in Japanese)” in “Leading Edges of New Weapons, Series 2, Separate Volume / Japan Military Review :56~70
Nobuyuki Yamaguchi / 2016 / A Comparison of Surge Behaviors in Multi-Stage and Single-Stage Axial Flow Compressors / International Journal of Fluid Machinery and Systems 9(4):338~353
Nobuyuki Yamaguchi / 2017 / A Study on the Fundamental Cause of Stall Stagnation Phenomena in Surges in Compressor Systems / International Journal of Fluid Machinery and Systems 10(2):119~137
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