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10.3390/w16060850
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Article

Optimization of Composite Cavitation Nozzle Parameters Based on the Response Surface Methodology

by
Gao Huang
1,
Chengjun Qiu
1,2,3,*,
Mengtian Song
1,2,*,
Wei Qu
2,4,
Yuan Zhuang
1,
Kaixuan Chen
1,
Kaijie Huang
1,
Jiaqi Gao
1,
Jianfeng Hao
1 and
Huili Hao
1
1
College of Mechanical, Naval Architecture & Ocean Engineering, Beibu Gulf University, Qinzhou 535011, China
2
Eastern Michigan Joint College of Engineering, Beibu Gulf University, Qinzhou 535011, China
3
Guangxi Key Laboratory of Ocean Engineering Equipment and Technology, Qinzhou 535011, China
4
College of Electronics and Information Engineering, Beibu Gulf University, Qinzhou 535011, China
*
Authors to whom correspondence should be addressed.
Water 2024, 16(6), 850; https://doi.org/10.3390/w16060850
Submission received: 16 February 2024 / Revised: 8 March 2024 / Accepted: 11 March 2024 / Published: 15 March 2024
(This article belongs to the Special Issue Advanced Research on Hydraulic Engineering and Hydrological Modelling)
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Abstract

Cavitation is typically observed when high-pressure submerged water jets are used. A composite nozzle, based on an organ pipe, can increase shear stress on the incoming flow, significantly enhancing cavitation performance by stacking Helmholtz cavities in series. In the present work, the flow field of the composite nozzle was numerically simulated using Large Eddy Simulation and was paired with the response surface method for global optimizing the crucial parameters of the composite nozzle to examine their effect on cavitation behavior. Utilizing peak gas-phase volume percent as the dependent variable and the runner diameter, Helmholtz chamber diameter, and Helmholtz chamber length as independent variables, a mathematical model was constructed to determine the ideal parameters of the composite nozzle through response surface methodology. The optimized nozzle prediction had an error of only 2.04% compared to the simulation results, confirming the accuracy of the model. To learn more about the cavitation cloud properties, an experimental setup for high-pressure cavitation jets was also constructed. Impact force measurements and high-speed photography tests were among the experiments conducted. The simulated evolution period of cavitation cloud characteristics is highly consistent with the experimental period. In the impact force measurement experiment, the simulated impact force oscillates between 256 and 297 N, and the measured impact force oscillates between 260 N and 289 N, with an error between 1.5% and 2.7%. The simulation model was verified by experimental results. This study provides new insights for the development of cavitation jet nozzle design theory.
Keywords: composite submerged nozzle; large eddy simulation; response surface methodology; high-speed photography composite submerged nozzle; large eddy simulation; response surface methodology; high-speed photography

Share and Cite

MDPI and ACS Style

Huang, G.; Qiu, C.; Song, M.; Qu, W.; Zhuang, Y.; Chen, K.; Huang, K.; Gao, J.; Hao, J.; Hao, H. Optimization of Composite Cavitation Nozzle Parameters Based on the Response Surface Methodology. Water 2024, 16, 850. https://doi.org/10.3390/w16060850

AMA Style

Huang G, Qiu C, Song M, Qu W, Zhuang Y, Chen K, Huang K, Gao J, Hao J, Hao H. Optimization of Composite Cavitation Nozzle Parameters Based on the Response Surface Methodology. Water. 2024; 16(6):850. https://doi.org/10.3390/w16060850

Chicago/Turabian Style

Huang, Gao, Chengjun Qiu, Mengtian Song, Wei Qu, Yuan Zhuang, Kaixuan Chen, Kaijie Huang, Jiaqi Gao, Jianfeng Hao, and Huili Hao. 2024. "Optimization of Composite Cavitation Nozzle Parameters Based on the Response Surface Methodology" Water 16, no. 6: 850. https://doi.org/10.3390/w16060850

APA Style

Huang, G., Qiu, C., Song, M., Qu, W., Zhuang, Y., Chen, K., Huang, K., Gao, J., Hao, J., & Hao, H. (2024). Optimization of Composite Cavitation Nozzle Parameters Based on the Response Surface Methodology. Water, 16(6), 850. https://doi.org/10.3390/w16060850

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