Computational Fluid Dynamics (CFD) analysis is used to numerically study the structure and dynamics of a high-pressure, high-speed jet of a gas/liquid mixture through a gaseous medium close to the nozzle region. The complex structure of the jet near the nozzle region is captured before it breaks-up downstream. A new multiphase model based on a mixture formulation of the conservation laws for a multiphase flows is used in the simulation. The model does not require ad-hoc closure for the variation of mixture density with pressure and yields thermodynamically accurate acoustic propagation for multiphase mixtures. The numerical formulation has been implemented to 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. The Roe’s approximate Riemann solver is used to allow capturing of shock waves and contact discontinuities. For a very steep gradient, an HLLC scheme is used to resolved the isolated shock and contact waves. The developed flow solver provides a general coupled incompressible-compressible multiphase framework that can be applied to a variety of supersonic jet flow problems including fuel injection systems, thermal and plasma spray coating, and liquid-jet machining. Preliminary results for shock tube analysis and gas/liquid free surface jet flow through a gaseous medium are presented and discussed.
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ASME 2004 International Mechanical Engineering Congress and Exposition
November 13–19, 2004
Anaheim, California, USA
Conference Sponsors:
- Fuels and Combustion Technologies Division
ISBN:
0-7918-4708-X
PROCEEDINGS PAPER
Numerical Simulation of a High Pressure Supersonic Multiphase Jet Flow Through a Gaseous Medium Available to Purchase
Randy S. Lagumbay,
Randy S. Lagumbay
University of Colorado at Boulder
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Oleg V. Vasilyev,
Oleg V. Vasilyev
University of Colorado at Boulder
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Andreas Haselbacher,
Andreas Haselbacher
University of Illinois at Urbana-Champaign
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Jin Wang
Jin Wang
Argonne National Laboratory
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Randy S. Lagumbay
University of Colorado at Boulder
Oleg V. Vasilyev
University of Colorado at Boulder
Andreas Haselbacher
University of Illinois at Urbana-Champaign
Jin Wang
Argonne National Laboratory
Paper No:
IMECE2004-61008, pp. 97-106; 10 pages
Published Online:
March 24, 2008
Citation
Lagumbay, RS, Vasilyev, OV, Haselbacher, A, & Wang, J. "Numerical Simulation of a High Pressure Supersonic Multiphase Jet Flow Through a Gaseous Medium." Proceedings of the ASME 2004 International Mechanical Engineering Congress and Exposition. Energy Conversion and Resources: Fuels and Combustion Technologies, Energy, Nuclear Engineering. Anaheim, California, USA. November 13–19, 2004. pp. 97-106. ASME. https://doi.org/10.1115/IMECE2004-61008
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