| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2015: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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| Outline of Final Research Achievements |
The present study aims at investigating and improving the mathematical well-posedness of two fluid model equation for a bubbly flow, which has been realized to be mathematically ill-posed for a long time. To achieve this aim, effects of invariance under the Galilean transformation of added inertia force term on mathematical well-posedness of two fluid model equation was clarified on the basis of eigenvalue analysis. Furthermore, expansion or contraction process of a vapor bubble was analyzed considering nonequilibrium evaporation and condensation to be accurately incorporated into the model equation.
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