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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Chang, Chih-Hao Sushchikh, Svetlana Nguyen, Loc Liou, Meng-Sing Theofanous, Theo |
| Abstract | The hyperbolicity boundaries of a (droplet) disperse, two-phase flow model at high flow speeds and relative velocities are found, the role of interfacial pressure on regularization is discussed, and the effects on integrability of the system of equations, solver robustness, and convergence properties are determined as a function of position relative to hyperbolic boundaries. We find good agreement between model and physics in that both exhibit a “sensitive” behavior in the transonic region (relative Mach number ∼1, hereafter omitting “relative” for brevity), and in that regularization requires increasing the interfacial pressure coefficient consistently with flow peculiarities in this region. The result is a two-phase flow model that is unconditionally hyperbolic and robust to grid refinement even in the most sensitive numerical tests with no dissipative terms in the equations. |
| Sponsorship | Fluids Engineering Division |
| Starting Page | 635 |
| Ending Page | 644 |
| Page Count | 10 |
| File Format | |
| ISBN | 0791842886 |
| DOI | 10.1115/FEDSM2007-37338 |
| e-ISBN | 0791838056 |
| Volume Number | Volume 1: Symposia, Parts A and B |
| Conference Proceedings | ASME/JSME 2007 5th Joint Fluids Engineering Conference |
| Language | English |
| Publisher Date | 2007-07-30 |
| Publisher Place | San Diego, California, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Fluids Two-phase flow Drops Robustness Flow (dynamics) Pressure Physics Mach number |
| Content Type | Text |
| Resource Type | Article |
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