Transient flow in a compressor blade row for a periodic vibration motion
The goal of this work is to conduct a transient compressor blade row flow simulation as part of blade flutter modeling. An integral step of blade flutter modeling is the calculation of the aerodynamic damping factor as a function of the possible vibration mode shapes. Using Fourier method, the nu...
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| Main Authors: | , , |
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| 格式: | Conference or Workshop Item |
| 語言: | English English |
| 出版: |
IOP Publishing
2018
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| 主題: | |
| 在線閱讀: | http://irep.iium.edu.my/61996/13/61996_Transient%20flow%20in%20a%20compressor%20blade%20row_scopus.pdf http://irep.iium.edu.my/61996/19/61996_Transient%20flow%20in%20a%20compressor%20blade%20row%20for%20a%20periodic.pdf http://irep.iium.edu.my/61996/ http://iopscience.iop.org/article/10.1088/1757-899X/290/1/012055/pdf |
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| 總結: | The goal of this work is to conduct a transient compressor blade row flow simulation
as part of blade flutter modeling. An integral step of blade flutter modeling is the calculation of
the aerodynamic damping factor as a function of the possible vibration mode shapes. Using
Fourier method, the number of blade passages required for transient flow analysis is kept to a
minimum of two for all vibration modes. In this work, a compressor rotor blade row is
considered. The vibration modes are obtained using ANSYS mechanical, then, unsteady flow
is obtained for vibrating blades with a harmonic motion. Work of the flow on the blade is
calculated and hence the aerodynamic damping is obtained. |
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