D107 MEASUREMENT AND PREDICTION OF RADIUS FOR A SONOLUMINESCING GAS BUBBLE(Multiphase flow measurement)
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概要
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Accurate measurement of the radius of a sonoluminescing gas bubble by a light scattering method was suggested. This can be achieved because of the remarkable stability of a sonoluminescing gas bubble, which has the same shape variation sequence in every oscillation cycle with only 50 ps jitter in the time between flashes, which enables sequential measurement of the bubble radius by the light scattering method and direct imaging technique for the first time. The measured light scattering data with an appropriate proportionality index value can be well fitted to the direct observation for the bubble radius-time curve. However, the observed value of the proportionality index is different from the one predicted by the Mie scattering theory. The theoretical prediction for the instantaneous radius of a bubble under ultrasound was also discussed.
- 一般社団法人日本機械学会の論文
- 2000-10-01
著者
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KWAK Ho-Young
Mechanical Engineering Department, Chung-Ang University
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Yang Ik-jun
Mechanical Engineering Department Chung-ang University
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Kwak H‐y
Chung-ang Univ. Seoul Kor
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Kwak Ho-young
Mechanical Engineering Department Chung-ang University
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Jeon Jin-seok
Mechanicl Engineering Department Chung-ang University
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Jeon Jin-Seok
Korea Gas Corp.
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Karng Sarng
KIST(Korea Institute of Science and Technology)
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Karng S
Korea Inst. Sci. And Technol. Seoul Kor
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Karng Sarng-woo
Mechanical Engineering Department Chung-ang University
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Jeon J‐s
Chung‐ang Univ. Seoul Kor
関連論文
- Measurement of Pulse Width of Sonoluminescing Gas Bubble in Sulfuric Acid Solution(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
- Molecular Dynamics Simulation of Collapsing Phase for a Sonoluminescing Gas Bubble in Sulfuric Acid Solutions : A Comparative Study with Theoretical Results(Atomic and molecular physics)
- Possibility of Upscaling for Single Bubble Sonoluminescence at a Low Driving Frequency
- Possibility of Upscaling for Single Bubble Sonoluminescence at a Low Driving Frequency
- D107 MEASUREMENT AND PREDICTION OF RADIUS FOR A SONOLUMINESCING GAS BUBBLE(Multiphase flow measurement)
- Radius Measurement of a Sonoluminescing Gas Bubble
- Radiation Mechanism for a Single Bubble Sonoluminescence : Classical Phenomenology and Applications
- Stability and Selective Bifurcation for a Gas Bubble Oscillating under Ultrasound
- Shock Pulse from a Sonoluminescing Gas Bubble
- Pressure Wave Propagation inside a Sonoluminescing Gas Bubble
- Characteristics of Sonoluminescing Bubbles in Aqueous Solutions of Sulfuric Acid(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
- An Aspect of Sonoluminescence from Hydrodynamic Theory
- Quantum Nucleation of Bubbles in Liquid Heliums
- Relaxation Behavior of Microbubbles in Ultrasonic Field
- Bubble Evolution and Radiation Mechanism for Laser-Induced Collapsing Bubble in Water