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Alternative TitleStudy of the applicability of the phase-change coefficients in cavitation model for different headforms
王超; 林扬; 胡志强; 衣瑞文
Source Publication舰船科学技术
Contribution Rank1
Funding Organization中国科学院国防创新基金资助项目(CXJJ-14-Z67) ; 机器人学国家重点实验室自主课题资助项目(2014-Z08)
Keyword空化 相变系数 计算流体动力学 空化模型 相变


Other Abstract

The applicability of the phase-change coefficients in Zwart cavitation model for different types of cylindrical cavitation problems are studied by numerical calculation method based on computational fluid method (CFD). Phasechange coefficients setting rules are got by comparing surface pressure coefficients calculated in streamlined and non-streamlined cylinders under different cavitation numbers with experimental data, when calculating different types of cylindrical cavitation problems. The results show that, for streamlined cylinders, evaporation coefficients and condensation coefficients should be increased due to flow separation effect is very weak. For non-streamlined cylinders, the sensitivity of numerical results for phase-change coefficients is relatively low due to flow separation effect is very strong. Only the magnitude relationship between the evaporation coefficient and condensation coefficient should be ensured, and then cavitation phenomena can be simulated accurately.

Document Type期刊论文
Corresponding Author王超
Recommended Citation
GB/T 7714
王超,林扬,胡志强,等. 空化模型中的相变系数对不同头型的适用性研究[J]. 舰船科学技术,2018,40(3):39-45.
APA 王超,林扬,胡志强,&衣瑞文.(2018).空化模型中的相变系数对不同头型的适用性研究.舰船科学技术,40(3),39-45.
MLA 王超,et al."空化模型中的相变系数对不同头型的适用性研究".舰船科学技术 40.3(2018):39-45.
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