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전산해석을 통한 원심압축기용 디퓨저의 폭변화에 따른 성능 연구
이상철(S.C. Lee),이원석(W.S. Lee),신유환(Y.H. Shin),정진택(J.T. Chung) 한국전산유체공학회 2010 한국전산유체공학회 학술대회논문집 Vol.2010 No.5
This study describes effects of width contraction in vaneless diffuser on the performance of centrifugal compressors using commercial CFD code. Numerical analysis for three different diffusers such as Parallel, half contraction, and full contraction was performed. The results show that the performance of the centrifugal compressor is improved through the use of the diffusers with width parallel in high flow rate. The width contraction of diffusers is influenced static pressure rises. Comparison with the experimental data shows agreement.