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Stall margin evaluation and data mining based multi-objective optimization design of casing treatment for an axial compressor rotor

The Physics of Fluids, 2023
Casing treatment is an effective passive technology for improving the compressor stability. However, the current design methods for the casing treatment rely excessively on trial and error experiences, presenting significant challenges to actual ...
Z. Chi   +3 more
semanticscholar   +1 more source

Mechanism study on the effect of self-circulating casing treatment with different circumferential coverage ratios on the axial compressor stability

The Physics of Fluids, 2023
To reveal the mechanisms underlying the effect of self-circulating casing treatment with different circumferential coverage ratios on the stability of the axial compressor, a three-dimensional unsteady numerical was hereby conducted on Rotor 35.

semanticscholar   +1 more source

Optimized Casing Treatment to Improve Stall Margin Under Circumferential Pressure Distortion in a High-Speed Axial Flow Fan

Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, 2023
Aviation fans often suffer from the negative effect of distorted inflow on the stall margin. An effective way to solve the aforementioned problem is to apply casing treatment for extending the stall margin.
Yihan Li   +5 more
semanticscholar   +1 more source

Integrated Design of Axial Slot Casing Treatment and Blades in a Low-Speed Single Stage Axial Compressor

Journal of Engineering For Gas Turbines and Power, 2023
Casing treatment has been used to enhance the stability of axial-flow compressor by extending the stall margin; it also induces strong interaction with compressor blades as demonstrated in the open literature.
Zhong-gang Fan   +4 more
semanticscholar   +1 more source

Stability analysis of axial compressors with wire mesh casing treatment

The Physics of Fluids, 2023
Experimental results indicate that wire mesh casing treatment (WMCT) enhances the stability of low-speed compressors with little reduction in efficiency. The flow resistance on the surface of the grooves, which are formed by the wire mesh, provides a new
Ming Zhang   +6 more
semanticscholar   +1 more source

Stall Inception Prediction of Transonic Compressor with Wire Mesh Casing Treatment

AIAA Journal, 2023
A wire mesh casing treatment is proposed and numerically tested on the transonic axial compressor (Rotor 37). A theoretical stall inception prediction model was developed to account for the wire mesh casing treatment, which was modeled as an impedance ...
Dakun Sun   +6 more
semanticscholar   +1 more source

CASING TREATMENT: ITS POTENTIAL AND LIMITATIONS

Journal of turbomachinery, 2022
Casing treatment is an advanced design feature to improve the stability of a compressor. Various investigations over the last fifty years have demonstrated that a careful design can substantially improve the stall margin of a tip-limited compressor ...
Sung-Kee Yoon, P. Cargill
semanticscholar   +1 more source

STALL MARGIN IMPROVEMENT IN A TRANSONIC COMPRESSOR WITH A CASING TREATMENT: FLOW MECHANISM

Journal of turbomachinery, 2022
A compressor casing treatment with circumferential casing grooves (CCGs) is studied in detail. The primary objective of the current paper is to unearth the main driving fluid mechanism that changes the stall margin in a transonic compressor with CCGs ...
C. Hah
semanticscholar   +1 more source

Unsteady Interaction Mechanisms of Axial-Slot Casing Treatment with Tip Region Flow in a Highly-Loaded Mixed-Flow Compressor

Journal of Engineering For Gas Turbines and Power, 2022
The influences of axial-slot casing treatment (CT) on the performance and unsteady interaction mechanisms between slots and blade tip region are investigated in a mixed-flow compressor.
Juan Du   +5 more
semanticscholar   +1 more source

Triglycerides

Current Opinion in Cardiology, 2012
To discuss the relevance of triglycerides to cardiovascular disease (CVD) risk.Triglycerides are a commonly measured component of lipid profiles. Raised triglycerides are a component of the metabolic syndrome and are strongly associated with future risk of diabetes as well as cardiovascular disease.
Adie Viljoen   +3 more
openaire   +2 more sources

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