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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Randy, S. Lagumbay Oleg, V. Vasilyev Haselbacher, Andreas Wang, Jin |
| Copyright Year | 2005 |
| Abstract | A new multiphase mathematical model based on a mixture formulation of the laws of conservation for a multiphase flow is used to simulate a supersonic three-phase cavitating jet flow through a gaseous medium. The model does not require an adhoc closure for the variation of mixture density with regards to the attendant pressure and yields a thermodynamically accurate value for the acoustical propagation generated by the process. A source term for cavitation is added into the equations of the mixture formulation and the resultant cavitation is mathematically modeled accordingly. The new numerical formulation has been incorporated into a multi-physics unstructured code “RocfluMP” that solves the modified three-dimensional time-dependent Euler/Navier-Stokes equations for a multiphase framework in integral form. A modified form of the Harten, Lax and van Leer approximate Riemann equations are used to resolve the isolated shock and contact waves. The newly developed multiphase flow equations provide a general framework for analyzing coupled incompressible-compressible multiphase flows that can be applied to a variety of supersonic multiphase jet flow problems such as fuel injection systems and liquid-jet machining. Preliminary results for three-phase cavitating jet flow through a gaseous medium in injection nozzle are presented and discussed. |
| Sponsorship | Power Division |
| Starting Page | 351 |
| Ending Page | 363 |
| Page Count | 13 |
| File Format | |
| ISBN | 0791842185 |
| DOI | 10.1115/IMECE2005-82948 |
| e-ISBN | 0791837696 |
| Volume Number | Energy Conversion and Resources |
| Conference Proceedings | ASME 2005 International Mechanical Engineering Congress and Exposition |
| Language | English |
| Publisher Date | 2005-11-05 |
| Publisher Place | Orlando, Florida, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Navier-stokes equations Computer simulation Multiphase flow Machining Conservation laws (physics) Acoustics Fuels Cavitation Density Pressure Waves Physics Jets Nozzles Shock (mechanics) |
| Content Type | Text |
| Resource Type | Article |
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