Centrifugal Compressor Sidestream Sectional Performance Prediction Methodology
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The objective of this paper is to demonstrate the sensitivity of sidestream sectional performance curves to the volume flow ratio, sidestream loss coefficient and section inlet conditions. A model to determine sectional performance is outlined. This model is then used to conduct a sensitivity analysis, which is based on current ASME PTC-10 guidelines. The model is validated by comparing test results to those predicted by the model. The model is used to show the sensitivity of test results based on the mentioned parameters. The subsequent variations are also compared with current API-617 guarantees and based on this study additional guidelines are recommended to be added to the ASME PTC-10 code. The improved prediction and testing methodology is expected to provide more accurate sectional curves to clients for sidestream applications.
Fakhri, Syed A. K.; Pacheco, Jorge E.; Koch, Jay M. (2012). Centrifugal Compressor Sidestream Sectional Performance Prediction Methodology. Texas A&M University. Turbomachinery Laboratories. Available electronically from