Boundary conditions and Fourier series truncation errors with 3-D inverse method for radial and mixed flow turbomachines
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Boundary conditions and Fourier series truncation errors with 3-D inverse method for radial and mixed flow turbomachines
Vol. 28, Issue 2, (2013)
作者机构:
北京航空航天大学 能源与动力工程学院,北京,100191
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Published:2013
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TIAN Xiao-pei, SHAN Peng. Boundary conditions and Fourier series truncation errors with 3-D inverse method for radial and mixed flow turbomachines[J]. 2013, 28(2).
DOI:
TIAN Xiao-pei, SHAN Peng. Boundary conditions and Fourier series truncation errors with 3-D inverse method for radial and mixed flow turbomachines[J]. 2013, 28(2).DOI:
Boundary conditions and Fourier series truncation errors with 3-D inverse method for radial and mixed flow turbomachines
Different kinds of the inlet and outlet boundary conditions were studied in theory and different specifications of the endwall boundary condition were compared. The impacts of the inlet
outlet
endwall boundary conditions and the series truncation errors on the blade design by a steady Reynolds averaged Navier-Stokes (RANS) solver were studied numerically. The results show that the impacts of the inlet and outlet boundary conditions on the blade design are neglectable
while those of the endwall boundary conditions are relative large. The impacts of the series truncation errors could be neglected if the number of Fourier series terms is more than 15.