Analytical and numerical results on the attenuation and dispersion of an acoustic wave through a two-phase flow
Presents validation of the Eulerian approach for unsteady two-phase flows, whose behaviour depends on the coupling between the two phases, on the basis of the study of attentuation and dispersion of an acoustic wave propagating into a one dimensional two-phase flow. This approach and the correspondi...
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| Veröffentlicht in: | International journal of numerical methods for heat & fluid flow 1997-11, Vol.7 (7), p.722-736 |
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| container_end_page | 736 |
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| container_issue | 7 |
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| container_title | International journal of numerical methods for heat & fluid flow |
| container_volume | 7 |
| creator | Basset, T Daniel, E Loraud, J.C |
| description | Presents validation of the Eulerian approach for unsteady two-phase flows, whose behaviour depends on the coupling between the two phases, on the basis of the study of attentuation and dispersion of an acoustic wave propagating into a one dimensional two-phase flow. This approach and the corresponding numerical aspects are accurate enough for later applications in more complex geometries, where "vortex shedding" phenomena take place. Attenuation and dispersion of a pressure wave in a two-phase medium of rest was previously studied by Temkin and Dobbins. Present work is an extension of this theory to the case of a two-phase flow. This theoretical approach leads to a numerical solution of the problem. Compares the derived results with those obtained from a direct numerical simulation based on MacCormack scheme in a finite volume formulation. Verifies that analytical and numerical approaches are in good agreement. |
| doi_str_mv | 10.1108/09615539710185604 |
| format | Article |
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| ispartof | International journal of numerical methods for heat & fluid flow, 1997-11, Vol.7 (7), p.722-736 |
| issn | 0961-5539 1758-6585 |
| language | eng |
| recordid | cdi_emerald_primary_10_1108_09615539710185604 |
| source | Emerald A-Z Current Journals |
| subjects | Acoustics Flow control Mathematical analysis Mathematical models Multiphase flow Numerical analysis Studies |
| title | Analytical and numerical results on the attenuation and dispersion of an acoustic wave through a two-phase flow |
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