NUMERICAL OBSERVATION OF FLOW RE-STABILIZING VIA AIR INJECTION DURING THE ROTATING STALL THROUGH A SINGLE-STAGE AXIAL COMPRESSOR BY A 2-D FINITE-VOLUME APPROACH

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MOJTABAVI P.; AMANIFARD -; DEYLAMI H.M.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ENGINEERING Year:2013 | Volume:26 | Issue:7 (TRANSACTIONS A: BASICS) Page(s): 761-770

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Title

NUMERICAL OBSERVATION OF FLOW RE-STABILIZING VIA AIR INJECTION DURING THE ROTATING STALL THROUGH A SINGLE-STAGE AXIAL COMPRESSOR BY A 2-D FINITE-VOLUME APPROACH

Author(s)

MOJTABAVI P. | AMANIFARD - | DEYLAMI H.M. | Issue Writer Certificate

Keywords

AXIAL COMPRESSOR

NUMERICAL APPROACH

2-D

STABILIZING

AIR INJECTION

Abstract

In the present work, the air-injection as an active flow STABILIZING techniques were numerically examined during the aerodynamic behavior and the characteristics of an AXIAL COMPRESSOR. First, in design condition, the characteristic curve was numerically captured for a specified test compressor. The computed results showed good agreements with those obtained from the experiments. They validate the finite-volume solver which was developed based on Van Leer’s flux splitting algorithm in conjunction with TVD limiters and the k-e turbulence model. At the second step, to examine the performance of the AIR INJECTION technique unstable condition, the operating points were set for the unstable condition upon the operating map, and the expected unstable flow patterns were captured. At the final step, the numerical simulation was completed with the AIR INJECTION, and surprisingly, the unstable flow patterns became highly re-stabilized. Consequently, a significant recovery of the performance was augmented. The study could successfully demonstrate the capability of the numerical studies for simulating the active flow controls specifically the inlet air-injection technique using a 2-D finite volume approach.

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APA: Copy

MOJTABAVI, P., AMANIFARD, -, & DEYLAMI, H.M.. (2013). NUMERICAL OBSERVATION OF FLOW RE-STABILIZING VIA AIR INJECTION DURING THE ROTATING STALL THROUGH A SINGLE-STAGE AXIAL COMPRESSOR BY A 2-D FINITE-VOLUME APPROACH. INTERNATIONAL JOURNAL OF ENGINEERING, 26(7 (TRANSACTIONS A: BASICS)), 761-770. SID. https://sid.ir/paper/598714/en

Vancouver: Copy

MOJTABAVI P., AMANIFARD -, DEYLAMI H.M.. NUMERICAL OBSERVATION OF FLOW RE-STABILIZING VIA AIR INJECTION DURING THE ROTATING STALL THROUGH A SINGLE-STAGE AXIAL COMPRESSOR BY A 2-D FINITE-VOLUME APPROACH. INTERNATIONAL JOURNAL OF ENGINEERING[Internet]. 2013;26(7 (TRANSACTIONS A: BASICS)):761-770. Available from: https://sid.ir/paper/598714/en

IEEE: Copy

P. MOJTABAVI, - AMANIFARD, and H.M. DEYLAMI, “NUMERICAL OBSERVATION OF FLOW RE-STABILIZING VIA AIR INJECTION DURING THE ROTATING STALL THROUGH A SINGLE-STAGE AXIAL COMPRESSOR BY A 2-D FINITE-VOLUME APPROACH,” INTERNATIONAL JOURNAL OF ENGINEERING, vol. 26, no. 7 (TRANSACTIONS A: BASICS), pp. 761–770, 2013, [Online]. Available: https://sid.ir/paper/598714/en

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