The influence of wedge diffuser blade number and divergence angle on the performance of a high pressure ratio centrifugal compressor View Full Text


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Article Info

DATE

2018-02

AUTHORS

Yi Wang, Ge Han, Xingen Lu, Junqiang Zhu

ABSTRACT

Wedge diffuser is widely used in centrifugal compressors due to its high performance and compact size. This paper is aimed to research the influence of wedge diffuser blade number and divergence angle on centrifugal compressor performance. The impact of wedge diffuser blade number on compressor stage performance is investigated, and then the wedge diffusers with different divergence angle are studied by varying diffuser wedge angle and blade number simultaneously. It is found that wedge diffuser with 27 blades could have about 0.8% higher adiabatic efficiency and 0.14 higher total pressure ratio than the wedge diffuser with 19 blades and the best compressor performance is achieved when diffuser divergence angle is 8.3°.These results could give some advices on centrifugal compressor design. More... »

PAGES

17-24

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s11630-018-0979-2

DOI

http://dx.doi.org/10.1007/s11630-018-0979-2

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1100716134


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