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Effects of Axisymmetric Rotor Injection on the Aerodynamic Performances of a Single-Stage Transonic Axial Compressor

Pham, G.-D. and Nguyen, C.-T. and Le, X.-T. and Duong, V.-D. and Chu, H.-Q. and Nguyen, T.-K. and Dinh, C.-T. (2024) Effects of Axisymmetric Rotor Injection on the Aerodynamic Performances of a Single-Stage Transonic Axial Compressor. Lecture Notes in Mechanical Engineering. pp. 563-570. ISSN 21954356

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Abstract

Using 3D-RANS equations with the k- ε turbulence model, this paper shows four parametric studies of axisymmetric rotor injection on aerodynamic characteristics of a single-stage transonic axial compressor. The injection design variables, including mass flow rate, circumferential coverage angle, location, and width are established to find their effects on the compressor performances, comprising total pressure ratio, peak adiabatic efficiency, stall margin, and stable range extension. The simulation results confirm qualitatively and quantitatively that in most cases of the reference designs with the rotor injection, the compressor aerodynamic outcomes are improved considerably. The ideal design was found to augment the adiabatic efficiency, total pressure ratio, and stall margin by 0.67, 0.52 and 2.28, one-to-one. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2024.

Item Type: Article
Divisions: Offices > Office of International Cooperation
Identification Number: 10.1007/978-3-031-39090-6₆₂
Uncontrolled Keywords: Axial flow turbomachinery; Axial-flow compressors; Efficiency; Turbulence models, Adiabatic efficiency; Aero-dynamic performance; Axi-symmetric rotors; Axisymmetric rotor injection; NASA stage 37; RANS equation; Single stage; Stall margin; Total pressure ratio; Transonic axial compressors, NASA
Additional Information: Conference of 3rd International Annual Conference on Material, Machines and Methods for Sustainable Development, MMMS 2022 ; Conference Date: 10 November 2022 Through 13 November 2022; Conference Code:310249
URI: http://eprints.lqdtu.edu.vn/id/eprint/11193

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