A comprehensive overview of fluid dynamic models and experimental results that can help
solve problems in centrifugal compressors and modern techniques for a more efficient …

This paper presents an experimental analysis of the unsteady phenomena developing in a
vaneless diffuser of a radial flow pump. Partial flow operating conditions were investigated …

We report a numerical study on the vaneless diffuser core flow instability in centrifugal
compressors. The analysis is performed for the purpose of better understanding of the …

An accurate estimation of rotating stall is one of the key points for high-pressure centrifugal
compressors, as it is often connected with the onset of detrimental subsynchronous …

In the current industrial research on centrifugal compressors, manufacturers are showing
increasing interest in the extension of the minimum stable flow limit in order to improve the …

To study the stall mechanism in a wide vaneless diffuser, a three-dimensional centrifugal
compressor model was established. The numerical simulation method was used to study the …

An accurate characterization of rotating stall in terms of inception modality, flow structures,
and stabilizing force is one of the key goals for high-pressure centrifugal compressors. The …

An accurate estimation of rotating stall is one of the key technologies for high-pressure
centrifugal compressors, as it is often connected with the onset of detrimental …

Stall is a common flow phenomenon in the rotating machinery under partial load conditions.
The stall phenomenon can seriously affect the operation efficiency and stability of the …

Seven different vaneless diffuser designs varying in diffuser width are studied
experimentally. One design is the basic design with the diffuser width and impeller exit and …