摘要: A commercial computational fluid dynamics (CFD) software package is used to model the oscillating flow inside a pulse tube cryocooler. Capabilities for modeling tubes are demonstrated with preliminary case studies and results presented. The 2D axi‐symmetric simulations demonstrate time varying temperature velocity fields in along computation of heat fluxes at hot cold exchangers. only externally imposed boundary conditions cyclically moving piston wall one end constant or flux boundaries external walls
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