| 文丘里管反应器空化泡的动力学特性 |
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| 引用本文： | 沈壮志,柳楠.文丘里管反应器空化泡的动力学特性[J].陕西师范大学学报,2012(1):23-28. |
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| 作者姓名： | 沈壮志 柳楠 |
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| 作者单位： | 陕西师范大学物理学与信息技术学院;陕西省物理研究所陕西省超声学重点实验室 |
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| 基金项目： | 国家自然科学基金资助项目(11174191);陕西省自然科学基金资助项目(2011JM1002);国家大学生创新实验计划基金资助项目(CX10022) |
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| 摘 要： | 应用四阶Runge-Kutta法,对空泡径向非线性方程进行数值模拟,分析了文丘里管反应器内空泡的成长与溃灭特性以及湍流作用、空化泡初始半径、入口压力对空化泡运动特性与形成压力脉冲的影响规律.结果表明:在湍流作用下,气泡崩溃时压力脉冲远大于非湍流的效果,初始半径越小,压力脉冲越大,入口压力变化对压力脉冲影响有一最佳值.
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| 关 键 词： | 湍流 水力空化 气泡动力学 文丘里管 |
Bubble dynamical behaviors in the Venturi cavitation reactor |
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| SHEN Zhuang-zhi,LIU Nan.Bubble dynamical behaviors in the Venturi cavitation reactor[J].Journal of Shaanxi Normal University: Nat Sci Ed,2012(1):23-28. |
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| Authors: | SHEN Zhuang-zhi LIU Nan |
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| Institution: | 1(1 College of Physics and Information Technology,Shannxi Normal University, 2 Shaanxi Physics Institute,Shaanxi Key Laboratory of Ultrasonics, Xi′an 710062,Shaanxi,China) |
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| Abstract: | Numerical simulation on dynamical behaviors of the growth and collapse of bubble in Venturi cavitation reactor is obtained by the fourth Rung-Kutta method.The effect of turbulence,initial radius of cavitation bubble and upstream pressure on the cavitation bubble dynamics and the pressure pulse caused by collapse of cavitation bubble are analysed.The results show that pressure pulse amplitude is more bigger with turbulence than that to without turbulence;the smaller initial radius,the bigger pressure pulse is;and the inlet pressure variation on pressure pulse influence has a optimal value. |
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| Keywords: | turbulence hydrodynamic cavitation bubble dynamics Venturi |
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