摘要
以磷酸和丙二醇两种黏滞系数不同的液体为实验对象,利用磁力加热搅拌器,观测到比较集中和稳定的多泡声致发光现象.通过测量三维和二维结构谐振腔中磷酸和丙二醇液体的声致发光强度,验证了多泡声致发光的周期性.实验结果表明,液体的声致发光强度对谐振腔电压、驱动信号频率、电感等可控参数非常敏感,并且与液体黏滞性和谐振腔结构有关.黏滞性大的液体不利于气泡脉动,发光强度较弱;三维结构的谐振腔比二维结构更容易实现声致发光,并且发光强度较强;在二维结构谐振腔中,磷酸的发光强度与液体厚度有关,而丙二醇的声致发光现象不容易观测到.
The two kinds of phosphoric acid and propylene glycol viscosity of different liquids sonolu- minescence subjects, using a magnetic stirrer,observed more concentrated and stable multi-bubble sonolu- minescence, measured by the three-dimensional and two-dimensional structures phosphoric acid and propyl- ene glycol sonoluminescence intensity, cyclical characteristics to verify the most glowing bubbles. Experi- mental results show that the emission intensity is very sensitive to the voltage of the resonant cavity, the drive signal frequency, the inductor and the other controllable parameters are outside of the liquid viscosi- ty,the resonator structure. Viscosity liquid luminous intensity is weak, the viscosity is not conducive to bubble pulse, and loss of acoustic energy; three-dimensional structure can be observed the phenomenon of sonoluminescence, but in the two-dimensional structure is very easy to observe acoustic glycol luminescence phenomena, in addition to the acoustic measurement of two-dimensional structure of phosphate-lumines- cent liquid thickness.
出处
《内蒙古师范大学学报（自然科学汉文版）》
CAS
北大核心
2014年第1期56-59,共4页
Journal of Inner Mongolia Normal University(Natural Science Edition)
基金
内蒙古自治区高等学校科学技术研究项目(NJZY13323)
呼伦贝尔学院项目(YJYBZC201202)
关键词
多泡声致发光
磷酸
丙二醇
光强
黏滞性
谐振腔
multi-bubble sonoluminescence
phosphoric acid
propanediol
intensity
viscosity
resonant cavity
