Perturbation solution of the compressible annular Poiseuille flow of a viscous fluid |
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Authors: | Savina Joseph Lina Joseph Georgios C Georgiou |
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Institution: | 1. China Railway Guangzhou Administration Group Co.,Ltd., No.151 Zhongshanyi Road, Guangzhou 510088, China |
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Abstract: | The isothermal annular Poiseuille flow of a weakly compressible Newtonian liquid with constant shear and bulk viscosities is considered. A linear equation of state is assumed and a perturbation analysis in terms of the primary flow variables is performed up to the first order using the isothermal compressibility as the perturbation parameter. The effects of compressibility, the bulk viscosity, the radii ratio, the aspect ratio, and the Reynolds number on the velocity and pressure fields are studied. |
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