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Ultralow-frequency tunable acoustic metamaterials through tuning gauge pressure and gas temperature
期刊论文
EXTREME MECHANICS LETTERS, 2021, 卷号: 44, 页码: 9
作者:
Ning, Shaowu
;
Yan, Ziming
;
Chu, Dongyang
;
Jiang H(姜恒)
;
Liu, Zhanli
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浏览/下载:37/0
  |  
提交时间:2021/05/31
Tunable acoustic metamaterials
Gauge pressure
Gas temperature
Anti-symmetric and symmetric Lamb mode
Strong localization of an acoustic wave in a sub-wavelength slot between two plates
期刊论文
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 2015
作者:
Feiyan Cai
;
Fei Li
;
Long Meng
;
Junru Wu
;
Hairong Zheng
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  |  
浏览/下载:18/0
  |  
提交时间:2016/01/27
Experimental investigation of symmetry properties of second harmonic Lamb waves
期刊论文
应用物理杂志, 2012
Liu, Yu
;
Kim, Jin-Yeon
;
Jacobs, Laurence J.
;
Qu, Jianmin
;
Li, Zheng
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浏览/下载:3/0
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提交时间:2015/11/10
ELASTIC PLATE
GENERATION
PROPAGATION
TRANSFORM
DAMAGE
Multi-parameters decoupling method with Lamb wave sensor for improving the selectivity of label-free liquid detection (EI CONFERENCE)
会议论文
2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11, June 5, 2011 - June 9, 2011, Beijing, China
Zhou L.
;
Xuan M.
;
Wu Y.
;
Manceau J.-F.
;
Bastien F.
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浏览/下载:22/0
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提交时间:2013/03/25
The anti-symmetric modes (A01 mode for low frequency
A 03 mode for high frequency) and symmetric modes (S0 mode) produced by Lamb wave sensor are used to detect multi-parameters of a liquid
such as its density
sound velocity and viscosity. These modes are found to be very different to the parameters. For example
the A01 mode is very sensitive to the liquid's density but the A03 mode is sensitive to its sound velocity. The measurements of the attenuation with S0 mode can give out liquid's viscosity after its density been determined by A 01 mode. That could be a way to distinguish an unknown liquid with high sensitivity or to solve the problem of the selectivity of label free detection on biosensors. 2011 IEEE.
Multi-Parameter sensing in liquid using a lamb wave based microsensor (EI CONFERENCE)
会议论文
2008 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications, SPAWDA 2008, December 5, 2008 - December 8, 2008, Nanjing, China
Li F.
;
Wu Y.-H.
;
Manceau J. F.
;
Bastien F.
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浏览/下载:13/0
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提交时间:2013/03/25
The characters of zero anti-symmetric (A0) and zero symmetric modes (S0) of Lamb wave sensor loaded with liquid were investigated and compared in the paper. It was found that due to the their different acoustic penetration depths inside the liquid the changes of the surface characteristics of the sensor and the characteristics of liquid near the surface can be identified respectively by combined A0 and S0 modes simultaneously. At the same time
the mass sensitivities of both A0 mode and S0 mode of a 2m Lamb wave sensor were demonstrated experimentally. It was proved that S0 mode has higher sensitivity to surface mass changes and the mass sensitivity of the acoustic sensor can be improved further.
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