Influence of the S-shaped transition duct on stability and performance of an adjustable compressor with an annular clearance

Yimin Zhang, Shuaitong Chen, Longye Zheng, Pengcheng Yang, Shaowen Chen, School of Energy Science and Engineering, Harbin Institute of Technology

Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering

Published online on March 12, 2026

Abstract

Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, Ahead of Print.
The impact of inlet distortion induced by the S-shaped transition duct on an adjustable compressor was investigated, which has an annular clearance inside the stator flow passage. Steady and unsteady RANS numerical method was adopted and the results show ...