Detailed experimental investigation was carried out to document the effects of vaneless diffuser diameter and width ratios on the fundamental characteristics of flow perturbation in the vaneless diffuser of a centrifugal blower. In addition, a benchmark set of experimental data will be provided to aid numerical investigation of instabilities in the vaneless diffuser flowfield in particular and the entire compression system in general. The current data showed that a decrease of the diffuser width, at constant impeller angular speed, resulted in a decrease of the critical flow coefficient. The data further revealed that a decrease in the diffuser diameter ratio, resulted in an increase in the frequency of rotating stall. Variation of the diffuser width does not have any appreciable effect on the frequency of rotating stall. The effects of flow coefficient on stall characteristics are also reported.
Skip Nav Destination
2002 4th International Pipeline Conference
September 29–October 3, 2002
Calgary, Alberta, Canada
Conference Sponsors:
- Pipeline Division
ISBN:
0-7918-3620-7
PROCEEDINGS PAPER
Effects of Vaneless Diffuser Geometries on Rotating Stall
K. B. Abidogun
K. B. Abidogun
SABIC Technology Center, Jubail Industrial City, Saudi Arabia
Search for other works by this author on:
K. B. Abidogun
SABIC Technology Center, Jubail Industrial City, Saudi Arabia
Paper No:
IPC2002-27203, pp. 1165-1172; 8 pages
Published Online:
February 24, 2009
Citation
Abidogun, KB. "Effects of Vaneless Diffuser Geometries on Rotating Stall." Proceedings of the 2002 4th International Pipeline Conference. 4th International Pipeline Conference, Parts A and B. Calgary, Alberta, Canada. September 29–October 3, 2002. pp. 1165-1172. ASME. https://doi.org/10.1115/IPC2002-27203
Download citation file:
12
Views
Related Proceedings Papers
Related Articles
A 3D Compressible Flow Model for Weak Rotating Waves in Vaneless Diffusers—Part II: Detailed Results
J. Turbomach (July,2012)
Clearance Effects on the Evolution of the Flow in the Vaneless Diffuser of a Centrifugal Compressor at Part Load Condition
J. Turbomach (July,2008)
Effects of Nonaxisymmetric Volute on Rotating Stall in the Vaneless Diffuser of Centrifugal Compressors
J. Eng. Gas Turbines Power (May,2022)
Related Chapters
Vaneless Diffuser Design
Centrifugal Compressors: A Strategy for Aerodynamic Design and Analysis
Other Components and Variations
Axial-Flow Compressors
Dynamic Behavior of Pumping Systems
Pipeline Pumping and Compression Systems: A Practical Approach