Abstract
Centrifugal compressors have been widely used in light-duty turboshaft engines and automotive turbochargers. One of the essential requirements for centrifugal compressors in these applications is to have adequate stable flow range. As the pressure ratio increases, the stable flow range drops dramatically, and this highlights the importance of stability improvement for centrifugal compressors. This paper first gives a brief review on the measures available for extending the stable flow range, and then focuses on the realization of self-recirculating casing treatment for a centrifugal compressor. The design principles of the casing treatment were introduced. Then the simulations were conducted to design and optimize the geometry of the casing treatment, and finally an optimum case was selected for experimental validation. The experiment results indicate that the designed casing treatment improve the stable flow range by about 5 percent at design speed, while keeping the efficiency almost identical.
References
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© 2018 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Effect of orifice spacing on twin circular parallel compressible jets
- Design and Experiment of Casing Treatment for a Centrifugal Compressor
- An Integrated Throughflow Method for the Performance Analysis of Variable Cycle Compression Systems
- Aerodynamic Performance Characteristics of NACA 0010 Cascade with Gurney Flaps
- Study on a Quasi-Two-Dimensional Fan Model for Variant Bypass-Ratio Condition
- Co-Flowing Jet Control Using Lip Thickness Variation
- Investigation on the Effect of Different Lands on Trailing Edge Slot Film Cooling
- Installation Characteristics of Variable Cycle Engine Based on Inlet Flow Matching
- Supersonic Jet Control by Tabs with Slanted Perforation
- Effect of Injection Angle on Performance of Full Coverage Film Cooling with Opposite Injection Holes
Articles in the same Issue
- Frontmatter
- Effect of orifice spacing on twin circular parallel compressible jets
- Design and Experiment of Casing Treatment for a Centrifugal Compressor
- An Integrated Throughflow Method for the Performance Analysis of Variable Cycle Compression Systems
- Aerodynamic Performance Characteristics of NACA 0010 Cascade with Gurney Flaps
- Study on a Quasi-Two-Dimensional Fan Model for Variant Bypass-Ratio Condition
- Co-Flowing Jet Control Using Lip Thickness Variation
- Investigation on the Effect of Different Lands on Trailing Edge Slot Film Cooling
- Installation Characteristics of Variable Cycle Engine Based on Inlet Flow Matching
- Supersonic Jet Control by Tabs with Slanted Perforation
- Effect of Injection Angle on Performance of Full Coverage Film Cooling with Opposite Injection Holes