An LES model for sprays combines a four-equation equilibrium multiphase solver with a new phase-confined Eulerian Σ spray model and a Gibbs-free-energy-bounded finite-rate phase change model, showing good match to ECN Spray A experiments.
A positivity-preserving Eulerian two-phase approach with thermal relaxation for compressible flows with a liquid and gases.arXiv preprint arXiv:2208.04488, 2022
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The paper proves convexity of the admissible set for the four-equation model, introduces a robust solver for pressure-temperature equilibrium with arbitrary materials, and proves existence and uniqueness of the equilibrium solution under thermodynamic assumptions.
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An LES model with finite-rate phase change and subgrid spray based on a thermodynamically consistent four-equation multiphase model
An LES model for sprays combines a four-equation equilibrium multiphase solver with a new phase-confined Eulerian Σ spray model and a Gibbs-free-energy-bounded finite-rate phase change model, showing good match to ECN Spray A experiments.
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Analysis, thermodynamics, and a numeric solver for a pressure-temperature equilibrium closure of the four-equation model
The paper proves convexity of the admissible set for the four-equation model, introduces a robust solver for pressure-temperature equilibrium with arbitrary materials, and proves existence and uniqueness of the equilibrium solution under thermodynamic assumptions.