ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Axial acoustic radiation force on a fluid sphere between two impedance boundaries for Gaussian beam |
Yuchen Zang(臧雨宸)1, Yupei Qiao(乔玉配)1, Jiehui Liu(刘杰惠)1, Xiaozhou Liu(刘晓宙)1,2 |
1 Key Laboratory of Modern Acoustics, Institute of Acoustics and School of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China;
2 Key Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, Beijing 100190, China |
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Abstract The acoustic radiation force on a fluid sphere immersed in water between two boundaries given by a Gaussian beam is theoretically and numerically investigated in this work. Based on the finite series method, the Gaussian beam is expressed in terms of Bessel function and a weighting parameter. The effects of the two boundaries concerned in our study is worked out by the image theory. This work also provides a reference when considering the effects of certain factors such as the radius of the sphere and the distance between the sphere and two boundaries. The contrast with the acoustic radiation force on a fluid sphere near only one boundary is also made in this paper. Our study can offer a theoretical basis for acoustics manipulation, acoustic sensors in the field of biomedical ultrasound and material science.
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Received: 14 December 2018
Revised: 15 January 2019
Accepted manuscript online:
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PACS:
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43.25.Qp
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(Radiation pressure?)
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43.35.Wa
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(Biological effects of ultrasound, ultrasonic tomography)
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43.80.Gx
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(Mechanisms of action of acoustic energy on biological systems: physical processes, sites of action)
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Fund: Project supported by the National Key Research and Development Program of China (Grant No. 2016YFF0203000), State Key Program of National Natural Science of China (Grant No. 11834008), National Natural Science Foundation of China (Grant No. 11774167), State Key Laboratory of Acoustics, Chinese Academy of Science (Grant No. SKLA201809), and Administration of Quality Supervision, Inspection and Quarantine (AQSIQ) Technology Research and Development Program, China (Grant No. 2017QK125). |
Corresponding Authors:
Xiaozhou Liu
E-mail: xzliu@nju.edu.cn
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Cite this article:
Yuchen Zang(臧雨宸), Yupei Qiao(乔玉配), Jiehui Liu(刘杰惠), Xiaozhou Liu(刘晓宙) Axial acoustic radiation force on a fluid sphere between two impedance boundaries for Gaussian beam 2019 Chin. Phys. B 28 034301
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