Evaluation of the Eulerian-Lagrangian spray atomisation (ELSA) in spray simulations Online publication date: Thu, 16-Oct-2014
by Sergio Hoyas; J.M. Pastor; Dung Khuong-Anh; Juan Manuel Mompó-Laborda; Frederic Ravet
International Journal of Vehicle Systems Modelling and Testing (IJVSMT), Vol. 6, No. 3/4, 2011
Abstract: Many approaches have been used to simulate the spray structure especially in modelling fuel sprays, i.e., Eulerian, Lagrangian, Lagrangian-Eulerian, Eulerian-Eulerian and Eulerian-Lagrangian approaches. The present study uses an Eulerian-Lagrangian spray atomisation (ELSA) method which is an integrated model for capturing the whole spray evolution starting directly from injector nozzle till the end. Our goal in this study is to evaluate the ELSA model which is implementing into the commercial software Star-CD, for numerical modelling of diesel sprays. There are two key studies in these validations, at first we examine the turbulent parameters through the three different scenarios and then we study mesh dependency. The results show in form of liquid penetrations, droplet velocity, and axial velocity profiles. All numerical results are compared with experimental data from our research institute, CMT-Motores Térmicos.
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