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Volume 13
Issue 3
10.3390/lubricants13030132
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Article

Effect of Nozzle Geometry on Erosion Characteristics in Abrasive Water Jet: Experimental and Numerical Analysis

by
Xuhong Chen
,
Haihong Pan
* and
Lin Chen
*
Precision Polishing and Measuring Laboratory, Guangxi University, Nanning 530000, China
*
Authors to whom correspondence should be addressed.
Lubricants 2025, 13(3), 132; https://doi.org/10.3390/lubricants13030132
Submission received: 16 December 2024 / Revised: 1 March 2025 / Accepted: 17 March 2025 / Published: 19 March 2025
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Abstract

In the field of abrasive-water-jet polishing technology, the influence of nozzle geometry on nozzle wear and internal-structure erosion in abrasive-water-jet polishing technology is studied, and the nozzle design is optimized through experiments and a numerical simulation to improve the stability and efficiency of the abrasive jet. The mathematical model between the cross-sectional area of the nozzle and the dimensionless length of the nozzle is established, as well as the variation in the static pressure of the nozzle and the length of the nozzle. Through Fluent simulation, it is found that when the nozzle length is 12 mm, the abrasive-phase acceleration is sufficient and the erosion intensity is minimal. After 480 h of erosion experiments, the erosion profile of nozzle cavity was detected. The results show that the erosion strength of the 12 mm nozzle is the least, followed by the 6 mm nozzle, and the 18 mm nozzle is the strongest, which is consistent with the simulation results.
Keywords: abrasive water jet; liquid–solid flow; MATLAB; fluent; nozzle geometry abrasive water jet; liquid–solid flow; MATLAB; fluent; nozzle geometry

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MDPI and ACS Style

Chen, X.; Pan, H.; Chen, L. Effect of Nozzle Geometry on Erosion Characteristics in Abrasive Water Jet: Experimental and Numerical Analysis. Lubricants 2025, 13, 132. https://doi.org/10.3390/lubricants13030132

AMA Style

Chen X, Pan H, Chen L. Effect of Nozzle Geometry on Erosion Characteristics in Abrasive Water Jet: Experimental and Numerical Analysis. Lubricants. 2025; 13(3):132. https://doi.org/10.3390/lubricants13030132

Chicago/Turabian Style

Chen, Xuhong, Haihong Pan, and Lin Chen. 2025. "Effect of Nozzle Geometry on Erosion Characteristics in Abrasive Water Jet: Experimental and Numerical Analysis" Lubricants 13, no. 3: 132. https://doi.org/10.3390/lubricants13030132

APA Style

Chen, X., Pan, H., & Chen, L. (2025). Effect of Nozzle Geometry on Erosion Characteristics in Abrasive Water Jet: Experimental and Numerical Analysis. Lubricants, 13(3), 132. https://doi.org/10.3390/lubricants13030132

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