Numerical simulation of hydrodynamic cavitation in acetic acid solutions with different concentrations

3rd International Conference on Energy Engineering and Environmental Protection

能源学;生态环境科学

Zhang, Lili^1 ; Mao, Ning^1 ; Kang, Can^1^2 ; Zou, Ziwen^1

School of Energy and Power Engineering, Jiangsu University, Zhenjiang

212013, China^1

Key Laboratory of China Machinery Industry for Centrifugal Pumps, Zhenjiang

212013, China^2

关键词: Cavitation characteristics;    Cavitation clouds;    Cavitation intensity;    Cavitation phenomenon;    Computational Fluid Dynamics codes;    Environmental efficiency;    Hydrodynamic cavitations;    Solution concentration;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/227/4/042026/pdf
DOI  :  10.1088/1755-1315/227/4/042026

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

To investigate cavitation phenomenon in acetic acid solution, numerical simulation was performed using the commercial computational fluid dynamics code of ANSYS Fluent. A comparison for acetic acid solutions of different concentrations flowing in a Venturi tube was implemented, focusing on the effect of the solution concentration on cavitation. Distributions of velocity, static pressure as well as the volume fraction of cavitation in the Venturi tube were analyzed. Flow and cavitation characteristics were explained. The results show that the non-uniformity of pressure distribution is enhanced with the increase of the solution concentration. Cavitation in the Venturi tube is featured by cavitation clouds. As the solution concentration rises, the length of the cavitation cloud decreases, and the cavitation intensity decays continuously. The results of this study can contribute to raise the effectivity and environmental efficiency of cleaning applications of acetic acid solutions.