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分层流体中运动物体与自由面相互作用的实验研究
引用本文:马晖扬,麻柏坤,张人杰.分层流体中运动物体与自由面相互作用的实验研究[J].实验流体力学,2000,14(3):7-11.
作者姓名:马晖扬  麻柏坤  张人杰
作者单位:中国科学技术大学研究生院,北京,100039
基金项目:国家自然科学基金资助项目(19772055)
摘    要:在静水槽中进行了分层流体中运动物体生成的内重力波与自由面相互作用的实验研究。分层介质为水-盐水以及柴油-盐水两种情形。研究的重点是物体在密度突跃层附近运动时导致的自由面的特定变形,讨论了物体的位置和运动速度等因素对变形形态的影响。对密度突跃层本身的变形特征也作了描述。

关 键 词:内重力波  密度突跃层  尾迹
文章编号:1007-3124(2000)03-0007-05
修稿时间:1999-08-30

The experimental research on the interaction of a moving body with a free surface in the stratified fluid
MA Hui-yang,MA Bai-kun,ZHANG Ren-jie.The experimental research on the interaction of a moving body with a free surface in the stratified fluid[J].Experiments and Measur in Fluid Mechanics,2000,14(3):7-11.
Authors:MA Hui-yang  MA Bai-kun  ZHANG Ren-jie
Institution:MA Hui-yang ,MA Bai-kun ,ZHANG Ren-jie ;(Graduate School, University of Science and Technology of China, Beijing 100039,China)
Abstract:The experimental research of the interaction between a free surface an d the internal wave generated by a towed sphere in a stratified fluid is conduct ed in the water tank. The stratified fluids are composed by watersalt solution or salt waterdiesel oil. The emphasis of this research is on the typical defo rmation of the free surface as the small sphere is towed near this thermocline. The eff ects of sphere's position and its moving speed on the deformation is discussed. The thermocline's deformation is described. .
Keywords:internal waves  thermocline  wake
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