Investigation of a mutual interaction force at different pressure amplitudes in sulfuric acid

查看全文 作　　者：Nastaran [1,2]Rezaee;Rasoul Sadighi-[1]Bonabi;Mona [1,2]Mirheydari;Homa [1]Ebrahimi

机构地区：[1]Department of Physics,Sharif University of Technology,11365-91,Tehran,Iran;[2]Department of Physics,Islamic Azad University Central Tehran Branch,Tehran,Iran

出　　处：《Chinese Physics B》索引2011年第20卷第8期,共6页

基　　金：Project supported by Sharif University of Technology 摘　　要：This paper investigates the secondary Bjerknes force for two oscillating bubbles in various pressure amplitudes in a concentration of 95% sulfuric acid.The equilibrium radii of the bubbles are assumed to be smaller than 10 μm at a frequency of 37 kHz in various strong driving acoustical fields around 2.0 bars (1 bar=10 5 Pa).The secondary Bjerknes force is investigated in uncoupled and coupled states between the bubbles,with regard to the quasi-adiabatic model for the bubble interior.It finds that the value of the secondary Bjerknes force depends on the driven pressure of sulfuric acid and its amount would be increased by liquid pressure amplitude enhancement.The results show that the repulsion area of the interaction force would be increased by increasing the driven pressure because of nonlinear oscillation of bubbles. 关键词：相互作用力压力振幅硫酸酸相非线性振动人口调查内部模型液体压力

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Investigation of a mutual interaction force at different pressure amplitudes in sulfuric acid

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