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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.9 No.1
- 발행연도
- 2016.3
- 수록면
- 1 - 16 (16page)
- DOI
- http://dx.doi.org/10.5293/IJFMS.2016.9.1.001
이용수
초록· 키워드
오류제보하기
Behaviors of surges appearing near the stall stagnation boundaries in various fashions in systems of a single-stage compressor and flow-path systems were studied analytically and were tried to put to order. Deep surges, which enclose the stall point in the pressure-mass flow plane, tend to have either near-resonant surge frequencies or subharmonic ones. The subharmonic surge is a multiple-loop one containing, for example, in a (1/2) subharmonic one, a deep surge loop and a mild surge loop, the latter of which does not enclose the stall point, staying only within the stalled zone. Both loops have nearly equal time periods, respectively, resulting in a (1/2) subharmonic surge frequency as a whole. The subharmonic surges are found to appear in a narrow zone neighboring the stall stagnation boundary. In other words, they tend to appear in the final stage of the stall stagnation process. It should be emphasized further that the stall stagnation initiates fundamentally at the situation where a volume-modified reduced resonant-surge frequency becomes coincident with that for the stagnation boundary conditions, where the reduced frequency is defined by the acoustical resonance frequency in the flow-path system, the delivery flow-path length and the compressor tip speed, modified by the sectional area ratio and the effect of the stalling pressure ratio. The real surge frequency turns from the resonant frequency to either near-resonant one or subharmonic one, and finally to stagnation condition, for the large-amplitude conditions, caused by the non-linear self-excitation mechanism of the surge.
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참고문헌 (8)
참고문헌 신청
[학술지(정기간행물)] - Greitzer, E. M. / 1976 / Surge and Rotating Stall in Axial Flow Compressors, Part I and II / ASME, Journal of Engineering for Power 98 : 190 ~ 198
[학술대회논문] - Corbett, A. G. / / Mathematical Modeling of Compressor Stability in Steady and Unsteady Flow Conditions, in “Unsteady Phenomena in Turbomachinery / AGARD-CP (177)
[학술대회논문] - Davis, Jr., M. W. / 1987 / A Stage-by-Stage Post-Stall Compression System Modeling Technique
[학술대회논문] - Boyer, K. M. / 1989 / Model Predictions for Improved Recoverability of a Multi-Stage Axial-Flow Compressor
[학술지(정기간행물)] - Nobuyuki Yamaguchi / 2013 / Analytical Study on Stall Stagnation Boundaries in Axial-Flow Compressor and Duct Systems / International Journal of Fluid Machinery and Systems 6 (2) : 56 ~ 74
[학술대회논문] - Corbett, A. G. / / Mathematical Modeling of Compressor Stability in Steady and Unsteady Flow Conditions, in “Unsteady Phenomena in Turbomachinery / AGARD-CP (177)
[학술대회논문] - Davis, Jr., M. W. / 1987 / A Stage-by-Stage Post-Stall Compression System Modeling Technique
[학술대회논문] - Boyer, K. M. / 1989 / Model Predictions for Improved Recoverability of a Multi-Stage Axial-Flow Compressor
[학술지(정기간행물)] - Nobuyuki Yamaguchi / 2013 / Analytical Study on Stall Stagnation Boundaries in Axial-Flow Compressor and Duct Systems / International Journal of Fluid Machinery and Systems 6 (2) : 56 ~ 74
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