期刊
PHYSICS OF FLUIDS
卷 34, 期 5, 页码 -出版社
AIP Publishing
DOI: 10.1063/5.0091260
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- GNFM of Italian INDAM
In this study, the linear stability of a flow down an incline is investigated when the fluid is modeled as a regularized Bingham-like fluid. The theoretical analysis using the long-wave approximation method reveals the existence of a critical condition for the onset of instability, which depends on the tilt angle and rheological parameters. The comparison with experimental studies shows satisfactory results.
We investigate the linear stability of a flow down an incline when the fluid is modeled as a regularized Bingham-like fluid, i.e., a material whose constitutive equation is smoothed out. We perform a theoretical analysis by using the long-wave approximation method. The results show the existence of a critical condition for the onset of instability, which arises when the Reynolds number is above a critical threshold that depends on the tilt angle and on rheological parameters. The comparison of our findings with experimental studies is rather satisfactory. Published under an exclusive license by AIP Publishing.
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