A numerical study on a baseline and a 25% trimmed compressor is presented in this paper. The CFD results are compared with the test results and good agreements are reached. Both CFD and test results show that flow trimming reduces the compressor efficiency and flow range. For compressors with specific speed lower than 0.038, flow trimming is not recommended.
A CFD Study on a Base and a Flow-Trimmed Low Specific Speed Centrifugal Compressor
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Zhang, D, Di Liberti, J, & Cave, M. "A CFD Study on a Base and a Flow-Trimmed Low Specific Speed Centrifugal Compressor." Proceedings of the ASME 2010 International Mechanical Engineering Congress and Exposition. Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and B. Vancouver, British Columbia, Canada. November 12–18, 2010. pp. 89-94. ASME. https://doi.org/10.1115/IMECE2010-40561
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