Abstract

A brief overview of some recent developments and future challenges in spray modelling is presented. The focus is on the comparative analysis of Lagrangian and Fully Lagrangian (Osiptsov) approaches to spray modelling and the applications of the latter approach and its generalisations to the solution of engineering problems, recent developments in modelling the heating and evaporation of spherical and non-spherical droplets and films, and application of the method of integral manifolds in the analysis of spray heating, evaporation and ignition in Internal Combustion (IC) engine-like conditions. Future challenges described in the paper include the generalisation of the Fully Lagrangian approach to enable it to model realistic turbulent sprays, further development of the models of heating and evaporation of deformed droplets, modelling of heating and evaporation of droplets in trance- and super-critical conditions and further development of the integral manifold methods to enable their application to the solution of realistic engineering problems, with particular focus on IC engines. All models are expected to be developed in formats that enable their relatively simple implementation into commercial Computational Fluid Dynamics (CFD) codes.

Highlights

  • The modelling of sprays has been extensively studied for over 100 years, and the results have been summarised in numerous publications including [1]

  • The focus is on the comparative analysis of Lagrangian and Fully Lagrangian (Osiptsov) approaches to spray modelling and the applications of the latter approach and its generalisations to the solution of engineering problems, recent developments in modelling the heating and evaporation of spherical and non-spherical droplets and films, and application of the method of integral manifolds in the analysis of spray heating, evaporation and ignition in Internal Combustion (IC) engine-like conditions

  • Future challenges described in the paper include the generalisation of the Fully Lagrangian approach to enable it to model realistic turbulent sprays, further development of the models of heating and evaporation of deformed droplets, modelling of heating and evaporation of droplets in trance- and super-critical conditions and further development of the integral manifold methods to enable their application to the solution of realistic engineering problems, with particular focus on IC engines

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Summary

Introduction

The modelling of sprays has been extensively studied for over 100 years, and the results have been summarised in numerous publications including [1]. Future challenges described in the paper include the generalisation of the Fully Lagrangian approach to enable it to model realistic turbulent sprays, further development of the models of heating and evaporation of deformed droplets, modelling of heating and evaporation of droplets in trance- and super-critical conditions and further development of the integral manifold methods to enable their application to the solution of realistic engineering problems, with particular focus on IC engines.

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