Numerical Analysis of the Vaned Diffuser of a Transonic Centrifugal Compressor

作者：Marconcini Michele^*; Rubechini Filippo; Arnone Andrea; Ibaraki Seiichi

来源：Journal of Turbomachinery, 2010, 132(4): 041012.

DOI：10.1115/1.2988481

• blades
• centrifuges
• compressors
• flow measurement
• impellers
• multiphase flow
• Navier-Stokes equations
• numerical analysis
• subsonic flow
• transonic flow
• velocimeters

A three-dimensional Navier-Stokes solver is used to investigate the flow field of a high pressure ratio centrifugal compressor for turbocharger applications. Such a compressor consists of a double-splitter impeller followed by a vaned diffuser. Particular attention is focused on the analysis of the vaned diffuser, designed for high subsonic inlet conditions. The diffuser is characterized by a complex three-dimensional flow field and influenced by the unsteady interaction with the impeller. Detailed particle image velocimetry flow measurements within the diffuser are available for comparison purposes. [DOI: 10.1115/1.2988481]

• 出版日期2010-10