25. Xie H, Song M, Liu XL, et al. Research on the simplified design of a centrifugal compressor impeller based on meridional plane modification. Appl Sci 2018; 1339(8): 1–16. 26. Kim DS, Jean SG, ...
Static pressure measurement holes are fitted along the outer contour of the impeller to follow the pressure build ... sound generation mechanisms and noise characteristics of centrifugal compressors.