| 金属熔池往复搅拌流场中气泡运动特性数值模拟研究 |
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| 引用本文： | 刘红,解茂昭,于静,王德庆.金属熔池往复搅拌流场中气泡运动特性数值模拟研究[J].大连理工大学学报,2011,51(3):331-337. |
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| 作者姓名： | 刘红 解茂昭 于静 王德庆 |
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| 作者单位： | 大连理工大学能源与动力学院;大连交通大学材料工程学院; |
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| 基金项目： | 国家自然科学基金资助项目(50876017) |
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| 摘 要： | 应用基于体跟踪的VOF方法对金属熔池往复搅拌流场中单个气泡的运动及变形特征进行了数值模拟研究.分析了搅拌流场的往复运动频率、气泡初始尺寸、表面张力以及奥托斯数Eo和莫顿数Mo等因素对气泡运动与变形的影响.数值模拟结果表明,气泡上升轨迹与气泡直径、流场平动频率及Mo有关,气泡直径越大,其螺旋上升趋势越强;在分析范围内,平...
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| 关 键 词： | 气液两相流 气泡 平行往复运动 VOF方法 |
Numerical simulation study of bubble behavior in molten metal flow field with reciprocating stirring |
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| LIU Hong,XIE Maozhao,YU Jing,WANG Deqing.Numerical simulation study of bubble behavior in molten metal flow field with reciprocating stirring[J].Journal of Dalian University of Technology,2011,51(3):331-337. |
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| Authors: | LIU Hong XIE Maozhao YU Jing WANG Deqing |
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| Institution: | LIU Hong*1,XIE Mao-zhao1,YU Jing1,WANG De-qing2(1.School of Energy and Power Engineering,Dalian University of Technology,Dalian 116024,China,2.School of Materials Science and Engineering,Dalian Jiaotong University,Dalian 116028,China) |
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| Abstract: | Numerical simulations of movement and deformation of a single bubble in a liquid metal flow field with reciprocating stirring were conducted using the volume of fluid(VOF) method.The influences of reciprocating frequency,initial bubble diameter,surface tension,Eotvos number(Eo) and Morton number(Mo) on the behavior of bubble movement and deformation in the flow field were discussed.The results show that bubble movement trajectory is related to the bubble diameter,the reciprocating frequency of the injector ... |
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| Keywords: | gas-liquid flow bubble reciprocating motion volume of fluid(VOF) method |
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