Study of High-Pressure Waterjet Characteristics Based on CFD Simulation

Author:

Cao Li Ping1,Liu Shi1,Huang Yao Song1,Liu Qian1,Li Zhi Hong1

Affiliation:

1. North China Electric Power University

Abstract

Nozzle spacing is an important factor influencing the effect of high-pressure water jet cleaning. When the nozzle incidence angle, the deflection angle and the target distance are determined, the size of the nozzle spacing determines the overlap of the water jet, the overlap is too large or too small will reduce the cleaning effect. In this paper ,using CFD software to simulate the flow field inside and outside of the high-pressure water jet nozzle, analysis the jet axial velocity, pressure distribution, and discussed this changes in the case of different spacing between the nozzles when the nozzle structure are same, and choose an reasonable spacing to ensure the cleaning effect.

Publisher

Trans Tech Publications, Ltd.

Reference6 articles.

1. Lu Xiao-jiang, He Ying-chun, LAI Wei. Application of High Pressure Water Jet Cleaning Technique[M]. Chemical Industry Publishing House, (2006), pp.2-3.

2. Cui Jun-kai, Zhao Jun, et al. Flow field simulation and experiment of pre-mixed abrasive water jets outside the nozzle[J], Journal of China Coal Society, (2009), pp.410-414.

3. Wang Fujun. Computational fluid dynamics analysis . Beijing: Tsinghua University Press, (2004), pp.21-122.

4. Sun Jiajun. Water jet cutting technology[M]. XuZhou: China University Of Mining And Technology Press , (1992).

5. Wang Honglun, Gong Liehang, Yao di. Study of high pressure Water jet cutting nozzles technology [J] . Machine Tool and hydraulics pressure, (2005), pp.42-43.

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