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In this study, the numerical study was conducted to investigate the effect of cooling stream on the erosion to the flue gas turbine impeller by using the commercial CFD software NUMECA. The Spalart-Allamaras turbulence model was employed in this computation. It was found that with increasing the inlet pressure or the mass flow of the cooling steam, the erosion at the tip region of the impeller caused...
Numerical simulations of a flue gas turbine were conducted by using the software NUMECA. The influence of different moving blade installation angles was analyzed on the internal flow field, and the change of turbine's efficiency and mass flow rate was studied too. It is found that moving blade installation angle has great influences on turbine's performance. The results indicate that the optimal installation...
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