On the Mechanisms of Sonoluminescence in Polar and Nonpolar Liquids

被引：1
|
作者：
Borisenok, V. A. [1 ]
Sedov, S. Yu [1 ,2 ]
机构：
[1] Natl Res Nucl Univ MEPhI, Sarov Branch SarPhTI, Sarov State Phys Tech Inst, Sarov 607182, Nizhny Novgorod, Russia
[2] All Russian Res Inst Expt Phys, Russian Fed Nucl Ctr, Sarov 607183, Nizhny Novgorod, Russia
来源：
PHYSICS OF ATOMIC NUCLEI | 2020年 / 83卷 / 11期
关键词：
polar and nonpolar liquids; sonoluminescence; electric field; double electric layer; flexoelectric effect; thermoelectric effect; free electrons; electric breakdown; SINGLE-BUBBLE SONOLUMINESCENCE; FLEXOELECTRIC POLARIZATION; THERMODYNAMIC PARAMETERS; WATER; BREMSSTRAHLUNG; IONIZATION; NITROGEN; COLLAPSE; SPECTRA; ARGON;
D O I：
10.1134/S106377882009001X
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The results of the estimation of the strength of the electric field that is formed in polar liquid near the liquid-gas interface of a collapsing gas bubble are presented. A double electric layer and flexo- and thermoelectric effects are considered as field sources. It is shown that the field strength in water can reach 10(9) V/m, and the dimensions of the strong field area can be up to several tens of micrometers. These results are an argument for the earlier made assumption that there may be two sources of luminescence in polar liquid-gas systems: adiabatically heated gas inside the bubble and channels of electrical breakdowns in the liquid. In the case of nonpolar liquid, no second source is formed. The experiment for testing the model is proposed.
引用
收藏
页码：1575 / 1584
页数：10
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