Recent advances in transonic axial compressor aerodynamics

R Biollo, E Benini - Progress in Aerospace Sciences, 2013 - Elsevier
Transonic axial flow compressors are fundamental components in aircraft engines as they
make it possible to maximize pressure ratios per stage unit. This is achieved through a …

Rotating stall observations in a high speed compressor—Part II: Numerical study

J Dodds, M Vahdati - Journal of Turbomachinery, 2015 - asmedigitalcollection.asme.org
In this two-part paper the phenomenon of part span rotating stall is studied. The objective is
to improve understanding of the physics by which stable and persistent rotating stall occurs …

Comparison of DDES and URANS for unsteady tip leakage flow in an axial compressor rotor

Y Liu, L Zhong, L Lu - Journal of Fluids Engineering, 2019 - asmedigitalcollection.asme.org
Tip leakage vortex (TLV) has a large impact on compressor performance and should be
accurately predicted by computational fluid dynamics (CFD) methods. New approaches of …

In situ distribution guided analysis and visualization of transonic jet engine simulations

S Dutta, CM Chen, G Heinlein… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
Study of flow instability in turbine engine compressors is crucial to understand the inception
and evolution of engine stall. Aerodynamics experts have been working on detecting the …

[HTML][HTML] Review on internal flow mechanism and control methods of axial flow compressor at low Reynolds number

REN Xuyang, LU Xingen, W Mingyang, HAN Ge… - Chinese Journal of …, 2024 - Elsevier
With the continuous increase of aeroengine flight ceiling (> 20 km), the thin atmosphere at
high altitudes and the size effect all cause the compressor component inlet Reynolds …

Validation of numerical simulation for rotating stall in a transonic fan

M Choi, NHS Smith, M Vahdati - Journal of …, 2013 - asmedigitalcollection.asme.org
This paper addresses a comparison of numerical stall simulations with experimental data at
60%(subsonic) and 95%(supersonic) of the design speed in a modern transonic fan rig. The …

Detailed measurements of spike formation in an axial compressor

S Weichert, I Day - Journal of Turbomachinery, 2014 - asmedigitalcollection.asme.org
This paper presents new experimental measurements of spike-type stall inception. The
measurements were carried out in the single stage Deverson compressor at the Whittle …

Study on static and dynamic characteristics of an axial fan with abnormal blade under rotating stall conditions

L Zhang, R He, X Wang, Q Zhang, S Wang - Energy, 2019 - Elsevier
Abstract Based on Reynolds averaged Navier-Stokes (RANS) equation and Realizable k-ε
turbulence model, the influence of abnormal deflection of two adjacent moving blades in an …

Effects of double-leakage tip clearance flow on the performance of a compressor stage with a large rotor tip gap

C Hah - Journal of Turbomachinery, 2017 - asmedigitalcollection.asme.org
Effects of a large rotor tip gap on the performance of a one and a half stage axial compressor
are investigated in detail with a numerical simulation based on large eddy simulation (LES) …

Casing treatment for desensitization of compressor performance and stability to tip clearance

M Cevik, H Duc Vo, H Yu - Journal of …, 2016 - asmedigitalcollection.asme.org
This paper presents the development of a novel casing treatment to reduce compressor
performance and stall margin sensitivities to tip clearance increase. A linked research …