A Study of Hollow Jet on Spray Forming

Abstract:

In order to improve the atomization quality of spray forming, the cylindrical hollow jet technology was applied in the atomization process of spray forming, and a numerical simulation for the structure of hollow flow field in front of jet outlet was carried out, the distribution of hollow jet flow field was simulated under different inlet velocities and outflow technologies, and then the experimental verification was performed. The simulation results of single-phase flow field show that with increasing the liquid inlet velocity, the back flow are a can get enlarged, and the lower negative pressure can be generated, which is beneficial for the out flow of liquid metal. The simulation results of two-phase flow field show that the hollow jet can be produced a hollow part. The conclusion basically accords with the experimental result of water flow.

• Periodical: Applied Mechanics and Materials (Volumes 217-219)
• Pages: 2042-2045
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.217-219.2042
• Online since: November 2012
• Authors: Ying Dong Qu*, Xiao Hong Li, Chong Jiang, Rui Ming Su, Rong De Li
• Keywords: Atomization Technology, Hollow Jet, Numerical Simulation, Spray Forming

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