Effects of Bleeding on the Aerodynamic Performance of AxialFlow Compressors

HOU Li-na; DU Gang; CHEN Jiang

doi:10.3879/j.issn.1000-0887.2014.10.007

Volume 35 Issue 10

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HOU Li-na, DU Gang, CHEN Jiang. Effects of Bleeding on the Aerodynamic Performance of AxialFlow Compressors[J]. Applied Mathematics and Mechanics, 2014, 35(10): 1124-1134. doi: 10.3879/j.issn.1000-0887.2014.10.007

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Effects of Bleeding on the Aerodynamic Performance of AxialFlow Compressors

doi: 10.3879/j.issn.1000-0887.2014.10.007

School of Energy and Power Engineering, Beihang University,Beijing 100191, P.R.China

Received Date: 2014-01-06
Rev Recd Date: 2014-09-03
Publish Date: 2014-10-15

Abstract

Abstract

Different ways of bleeding have different effects on axial-flow compressors’ performance and flow fields. The numerical simulation of single-stage axial-flow compressors was performed. Several schemes, of bleeding in circumferential slots or bleeding in uniform circular holes circumferentially distributed, were designed to study the effects of different bleeding ways on the aerodynamic performance of axial-flow compressors. The results show that introduction of bleeding improves the compressors’ performance to different extents. The bleeding scheme with circular holes set in the same direction with the flow has the largest surge margin up to 82%; while the circular holes set in the reverse direction of the flow bring the pressure ratio and efficiency of the compressors a major increase.
- axial-flow compressor,
- aerodynamic performance,
- bleeding,
- numerical simulation

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References(15)

References

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