赵金瑜,关国业,林方

• 1:四川大学物理科学与技术学院

摘要(Abstract)：

一束激光照射到自由下落的稳恒射流与水平硬质阻隔板接触点处,可在液柱表面观察到亮暗相间的光环。液柱表面毛细波和激光在接触点处的漫反射是光环出现的必要条件,二者缺一不可。本文通过理论推导得到了表面毛细波波长的隐性表达式并对该式进行了定量实验验证;通过多组实验探究了不同参量对光环形态的影响;最后运用数值仿真分析了光场分布和光环成因。

关键词(KeyWords)： 光环;毛细波;垂直水流;漫反射;光场分布

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 赵金瑜,关国业,林方

参考文献(References)：

• [1]Wada Y.On the steady surface ripples of a cylindrical flow[J].Journal of the Physical Society of Japan,1950(5):259-262.
• [2]Lienhard J H.Capillary Action in Small Jets Impinging on Liquid Surfaces[J].Journal of Basic Engineering,1968,90(1):137.
• [3]Ji W,Setterwall F.On the instabilities of vertical falling liquid films in the presence of surface-active solute[J].J Fluid Mech,1994,278:297-323.
• [4]Ji W,Setterwall F.Effects of heat transfer additives on the instabilities of an absorbing falling film[J].Chem Engng Sci,1995,50:3077-3097.
• [5]Awati K M,Howes T.Stationary waves on cylindrical fluid jets[J].American Journal of Physics,1996,64:808-811.
• [6]Adachi K.Laminar jets of a plane liquid sheet falling vertically in the atmosphere[J].Journal of Non-Newtonian Fluid Mechanics,1987,24(1):11-30.
• [7]Hancock M J,John W,Bush M.Fluid pipes[J].Journal of Fluid Mechanics,2002,466:285-304.
• [8]Eggers J,Villermaux E.Physics of liquid jets[J].Reports on Progress in Physics,2008,71(3):36601-36680.
• [9]Massalha T,Digilov R M.The shape function of a free-falling laminar jet:Making use of Bernoulli’s equation[J].American Journal of Physics,2013,81:733-737.
• [10]巩欣亚,张煜,张永战,等.竖直液柱与水平液面作用激起毛细波探究[J].实验室研究与探索,2015,34(2),29-33.Gong X Y,Zhang Y,Zhang Y Z,et,al.Capillary waves on vertical jets impinging upon different types of liquid surfaces[J].Research and Exploration in Laboratory,2015,34(2):29-33.(in Chinese)
• [11]Problems of IYPT,URL:http://archive.iypt.org/problems/
• [12]吴望一.流体力学[M].北京:北京大学出版社,2015:267-269.
• [13]李椿,章立源,钱尚武.热学[M].北京:高等教育出版社,2014:253-255.
• [14]吴崇试.数学物理方法[M].北京:北京大学出版社,2015:264-267