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Journal of Applied Sciences
  Year: 2011 | Volume: 11 | Issue: 11 | Page No.: 1885-1894
DOI: 10.3923/jas.2011.1885.1894
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Generating Gas Turbine Component Maps Relying on Partially Known Overall System Characteristics

A.L. Tamiru, F.M. Hashim and C. Rangkuti

This study presents the result of an attempt to develop compressor and turbine maps for a 5.2 MW rated industrial gas turbine. The research is motivated by the need to study load accepting and load rejection characteristics of cooperating gas turbines. Only overall performance parameters of the gas turbine are provided by the manufacture and that made it difficult to carry out such studies. This work proposes the use of scaling method in the fixed geometry region and stage-stacking method in the variable geometry region. Generalized stage and overall component performance curves, all from literature, are used in presenting the performance maps. Characteristics of compressors whose actual maps are known are first used to choose a reference map. Relying on the selected map, predicted performance curves are obtained for the aforesaid gas turbine. The variable geometry is demonstrated considering actual data from literature. Having the design point parameters from limited overall performance data, the proposed approach has managed to get the key performance maps. The results can be used for stability, performance optimization and condition monitoring studies.
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How to cite this article:

A.L. Tamiru, F.M. Hashim and C. Rangkuti, 2011. Generating Gas Turbine Component Maps Relying on Partially Known Overall System Characteristics. Journal of Applied Sciences, 11: 1885-1894.

DOI: 10.3923/jas.2011.1885.1894






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