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Heat Transfer Research
Facteur d'impact: 0.404 Facteur d'impact sur 5 ans: 0.8 SJR: 0.264 SNIP: 0.504 CiteScore™: 0.88

ISSN Imprimer: 1064-2285
ISSN En ligne: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v43.i1.10
pages 1-17

NONEQUILIBRIUM DIFFUSION COMBUSTION OF LIQUID FUEL DROPLETS AND SPRAYS MODELING

Nickolay N. Smirnov
M. V. Lomonosov Moscow State University, Moscow 119992, Russia ; Scientific Research Institute for System Analysis of the Russian Academy of Sciences, Moscow 117218, Russia
V. F. Nikitin
M. V. Lomonosov Moscow State University, Moscow 119992, Russia ; Scientific Research Institute for System Analysis of the Russian Academy of Sciences, Moscow 117218, Russia
V. V. Tyurenkova
M. V. Lomonosov Moscow State University, Moscow 119992, Russia ; Scientific Research Institute for System Analysis of the Russian Academy of Sciences, Moscow 117218, Russia

RÉSUMÉ

A mathematical model is developed for simulating the non-equilibrium combustion of a single droplet surrounded by a diffusion microflame. The model takes into account non-equilibrium phase transitions. The formulas obtained for droplet burning out are used to simulate spray injection into a heated chamber. It is demonstrated that a scenario of fuel spray injection and self-ignition in a heated air inside the combustion chamber has three characteristic stages.

RÉFÉRENCES

  1. Betelin, V. B., Nikitin, V. F., Kushnirenko, A. G., Nerchenko, V. A., and Smirnov, N. N. , Spray injection and ignition in a heated chamber modeling.

  2. Dushin, V. R., Smirnov, N. N., Kulchitskiy, A. V., Nerchenko, V. A., Nikitin, V. F., Osadchaya, E. S., and Phylippov, Yu. G. , Mathematical simulation for nonequilibrium droplet evaporation.

  3. Miller, R. S., Harstad, K., and Bellan, J. , Evaluation of equilibrium and nonequilibrium models for many-droplet gas-liquid flow simulations.

  4. Smirnov, N. N. and Kulchitski, A. V. , Unsteady-state evaporation in weightlessness.

  5. Smirnov, N. N., Pushkin, V. N., Dushin, V. R., and Kulchitskiy, A. V. , Microgravity investigation of laminar flame propagation in monodisperse gas-droplet mixtures.

  6. Smirnov, N. N. and Zverev, I. N. , Heterogeneous Combustion.

  7. Vargraftik, N. B. , Handbook on Thermophysical Properties for Fluids and Gases.

  8. Williams, F. A. , Combustion Theory.


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