Numerical methodology for the assessment of relative and absolute deterministic flow structures in the analysis of impeller-tongue interactions for centrifugal fans

Abstract

The authors acknowledge the financial support from the Research Projects ‘‘Tecnologías ecológicas para el transporte Urbano, ecoTRANS’’ (CDTI), and ‘‘Characterization and Prediction of Aeroacoustic Noise Generation in Wind Turbine Airfoils’’, ref. DPI-2011- 25419, sponsored by the Spanish Ministry of Science and Innovation (MICINN)