JAPANESE JOURNAL OF MULTIPHASE FLOW
Online ISSN : 1881-5790
Print ISSN : 0914-2843
ISSN-L : 0914-2843
Papers:
Numerical Simulation of Cavitation in a Nozzle and Liquid Jet Using Moving Particle Semi-implicit Method
Akihiro SEKINESeiichi KOSHIZUKAKazuki YOSHIMURAEiji ISHII
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2017 Volume 31 Issue 4 Pages 427-436

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Abstract

The fact that the spray characteristics of automotive fuel injectors of direct injection type are substantially influenced by cavitation in the nozzles is widely known. Many researchers have been engaged in understanding the relation between a cavitating flow and characteristics of fuel spray using a numerical simulation till now. In a free surface flow analysis and a multiphase flow analysis, advantages of using a particle-based meshless method are utilized. However, particle-based meshless methods have not been used to simulate cavitation. In this study, the cavitation in a two-dimensional nozzle and the water jet were simulated using Moving Particle Semi-implicit (MPS) method employing a cavitation model. The simulation results are relatively close to experimental data.

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© 2017 by The Japanese Society for Multiphase Flow
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