Control of Tip Leakage Flow in Axial Flow Compressor Cascade by Suction on the Blade Tip

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MAO X.; LIU B.; TANG T.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: JOURNAL OF APPLIED FLUID MECHANICS (JAFM) Year:2018 | Volume:11 | Issue:1 Page(s): 137-149

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Information Journal Paper

Title

Control of Tip Leakage Flow in Axial Flow Compressor Cascade by Suction on the Blade Tip

Author(s)

MAO X. | LIU B. | TANG T. | Issue Writer Certificate

Keywords

Suction

Tip leakage flow

Active flow control

Axial compressor cascade

Abstract

One of the important ways of improving axial compressor performance is to control the Tip leakage flow near the endwall region. Numerical computations were conducted to investigate the impact of blade tip Suction on the Axial compressor cascade performance in current paper. Three Suction schemes located on the blade tip with different chordwise coverage were investigated in total. The results show that the cascade overall performance can be effectively enhanced by the proper Suction scheme on the blade tip and the best scheme should be arranged at slightly downstream of the onset point of the tip leakage vortex (TLV). The control effectiveness and mechanisms are different for the different Suction schemes. For the Suction scheme covering the starting point of TLV, the onset point of TLV is shifted downstream, while an additional induced leakage flow near the blade leading edge is generated resulting in the increase of mixing loss. It is more effective when the structure of the main TLV is destroyed and divided into different parts by applying the blade tip Suction arranged slightly behind the onset point of TLV. In addition, the blade loading is redistributed near the blade tip after the blade tip Suction and the total pressure loss caused by the Suction slots should also be considered in the design process.

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APA: Copy

MAO, X., LIU, B., & TANG, T.. (2018). Control of Tip Leakage Flow in Axial Flow Compressor Cascade by Suction on the Blade Tip. JOURNAL OF APPLIED FLUID MECHANICS (JAFM), 11(1), 137-149. SID. https://sid.ir/paper/308147/en

Vancouver: Copy

MAO X., LIU B., TANG T.. Control of Tip Leakage Flow in Axial Flow Compressor Cascade by Suction on the Blade Tip. JOURNAL OF APPLIED FLUID MECHANICS (JAFM)[Internet]. 2018;11(1):137-149. Available from: https://sid.ir/paper/308147/en

IEEE: Copy

X. MAO, B. LIU, and T. TANG, “Control of Tip Leakage Flow in Axial Flow Compressor Cascade by Suction on the Blade Tip,” JOURNAL OF APPLIED FLUID MECHANICS (JAFM), vol. 11, no. 1, pp. 137–149, 2018, [Online]. Available: https://sid.ir/paper/308147/en

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