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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.13 No.2
- 발행연도
- 2020.6
- 수록면
- 348 - 360 (13page)
- DOI
- 10.5293/IJFMS.2020.13.2.348
이용수
초록· 키워드
오류제보하기
This paper investigates a novel casing treatment method, called recirculation-bleeding channels, which combine a recirculation channel with additional bleeding channels. The system consists of 36 channels distributed around the blades and located on rotor shroud surface of a single-stage transonic axial compressor. This study focuses on its effects on aerodynamic performance of a single-stage transonic axial compressor, NASA Stage 37. Validation of numerical model of NASA Stage 37 was performed using experimental data for the single-stage transonic axial compressor. A common drawback of flow recirculation and air bleeding is the reduction in efficiency; however, numerical results showed that with the presence of recirculation-bleeding channels, both stall margin and adiabatic efficiency of the single-stage transonic axial compressor were increased as compared to the smooth casing with small penalty in pressure ratio. A parametric study of the recirculation-bleeding channels was performed for six geometric parameters. With recirculation-bleeding channels, the compressor could reach the stall margin of 13.85% at maximum while still retaining an increase in peak adiabatic efficiency. It is also showed that proper adjustments of the channels design can eliminate the deficiency in pressure ratio at peak efficiency condition.
목차
Abstract
1. Introduction
2. Numerical analysis
3. Results and Discussion
4. Conclusion
References
참고문헌 (28)
참고문헌 신청
Inoue, M. / 1989 / Structure of Tip Clearance Flow in an Isolated Axial Compressor Rotor / ASME Journal of Turbomachinery 111(3):250~256
Storer, J. A. / 1994 / An Approximate Analysis and Prediction Method for Tip Clearance Loss in Axial Compressors / ASME Journal of Turbomachinery 116(4):648~656
Smith, G. D. J. / 1985 / Flow Phenomena in Compressor Casing Treatment / Journal of Engineering for Gas Turbines and Power 106(3):532~541
Wisler, D. C. / 1985 / Loss Reduction in Axial Flow Compressors through Low-speed Model Testing / Journal of Engineering for Gas Turbines and Power 107(2):354~363
Beheshti, B. H. / 2004 / Study of Tip Clearance-Casing Treatment on Performance and Stability of a Transonic Axial Compressor / Journal of Turbomachinery 126(4):527~535
Storer, J. A. / 1994 / An Approximate Analysis and Prediction Method for Tip Clearance Loss in Axial Compressors / ASME Journal of Turbomachinery 116(4):648~656
Smith, G. D. J. / 1985 / Flow Phenomena in Compressor Casing Treatment / Journal of Engineering for Gas Turbines and Power 106(3):532~541
Wisler, D. C. / 1985 / Loss Reduction in Axial Flow Compressors through Low-speed Model Testing / Journal of Engineering for Gas Turbines and Power 107(2):354~363
Beheshti, B. H. / 2004 / Study of Tip Clearance-Casing Treatment on Performance and Stability of a Transonic Axial Compressor / Journal of Turbomachinery 126(4):527~535
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