Implementation of velocity and pressure non-equilibrium in gas-liquid two-phase flow computations
A set of fully hyperbolic and fully conservative mixture conservation laws that treat the relative motion in gas-liquid two-phase flows are presented. These laws are based on compressible gas-liquid two-phase flow with velocity and pressure non-equilibrium. The resulting theoretical model accounts f...
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| المؤلف الرئيسي: | |
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| مؤلفون آخرون: | , |
| التنسيق: | article |
| منشور في: |
2014
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| الوصول للمادة أونلاين: | http://hdl.handle.net/10725/8445 http://libraries.lau.edu.lb/research/laur/terms-of-use/articles.php http://www.dl.begellhouse.com/journals/71cb29ca5b40f8f8,4e57a03372cc6b9e,0b857dae12ab66b6.html |
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| الملخص: | A set of fully hyperbolic and fully conservative mixture conservation laws that treat the relative motion in gas-liquid two-phase flows are presented. These laws are based on compressible gas-liquid two-phase flow with velocity and pressure non-equilibrium. The resulting theoretical model accounts for the interaction between the gas and liquid phases with more reasonable physical meaning. Within this framework, the distinctness of the model conservation laws enables a straightforward extension and application of single-phase fluid dynamics numerical methods. Computations for a set of rarefaction waves test problem show that the interfacial friction source term has a strong influence on both the flow parameters and the wave structure in non-equilibrium two-phase flows. |
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