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Effective Performance Prediction of Axial Flow Compressors Using a Modified Stage-Stacking Method
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 Title & Authors
Effective Performance Prediction of Axial Flow Compressors Using a Modified Stage-Stacking Method
Song, Tae-Won; Kim, Jae-Hwan; Kim, Tong-Seop; Ro, Sung-Tack;
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 Abstract
In this work, a modified stage-stacking method for the performance prediction of multi-stage axial flow compressors is proposed. The method is based on a simultaneous calculation of all interstage variables (temperature, pressure, flow velocity) instead of the conventional sequential stage-by-stage scheme. The method is also very useful in simulating the effect of changing angles of the inlet guide vane and stator vanes on the compressor operating characteristics. Generalized stage performance curves are used in presenting the performance characteristics of each stage. General assumptions enable determination of flow path data and stage design performance. Performance of various real compressors is predicted and comparison between prediction and field data validates the usefulness of the present method.
 Keywords
Multi-Stage Axial Flow Compressor;Stage-Stacking;Perform-ance;Design;Off-Design;Fixed Geometry;Variable Geometry;Simultaneous Calculation;
 Language
Korean
 Cited by
1.
가스터빈의 설계 성능과 부분부하 성능 사이의 상관관계 분석,김동섭;

대한기계학회논문집B, 2002. vol.26. 8, pp.1164-1171 crossref(new window)
2.
해석적 방법을 이용한 가스터빈 축류 압축기의 파울링 현상 해석,송태원;김동섭;김재환;손정락;노승탁;

대한기계학회논문집B, 2001. vol.25. 12, pp.1721-1729 crossref(new window)
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