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The three-dimensional multi-stage turbomachinery flow simulation is calculated on the PC cluster environment in NCHC. The UTRC large-scale turbine is employed here as the baseline configuration. A compressible viscous finite volume algorithm solving Reynolds averaged Navier-Stokes equations with artificial dissipation terms similar to Jameson's method is adopted circumferential average is performed between the interface of rotor and stator. The master/slave algorithm is employed for the parallel implementation, and a processor calculates a blade row. Three, five, seven and nine blade rows are used to demonstrate the performance of parallel computation on the PC cluster. Those results are shown that the performance is very well, especially for more blade rows, i.e., nine blade rows, have the super speedup efficiency.