Theoretical analysis of acoustic separation characteristics in rayleigh/mie channel within a standing acoustic wave [0.03%]
驻振声场中基于瑞利/米氏散射的声学分离特性理论分析
Pengqi Li,Weirui Lei,Chunqiu Zhang et al.
Pengqi Li et al.
Acoustic tweezers provide a versatile approach for contactless particle manipulation by harnessing acoustic radiation forces with acoustic-streaming-induced transport. Although the size-dependent competition between these two mechanisms is ...
Ultrasonic attenuation-based assessment of interlayer slip in pre-tightened cushion structures [0.03%]
基于超声衰减的预紧垫层滑移评估方法研究
Chenjun Gao,Zhanrui Yang,Jinsong Yang et al.
Chenjun Gao et al.
Interlayer slip in pre-tightened cushion structures changes the local interfacial contact state within enclosed metal-polymer interfaces. Existing ultrasonic studies mainly address discrete defects or spatially homogeneous imperfect interfa...
An ultrasonic method for lubrication film thickness measurement at elliptical contacts [0.03%]
椭圆接触面润滑膜厚度的超声波测量方法研究
Yanbo He,Yuze Mao,Jianyun Wang et al.
Yanbo He et al.
An ultrasonic effective reflection coefficient method is proposed for measuring the lubrication film thickness at the elliptical contact region. The effect of the acoustic main lobe with a larger radius is analyzed, where the superposition ...
Monitoring autogenous shrinkage in cellulose microfiber-reinforced GGBFS composites using ultrasonic interferometry [0.03%]
基于超声干涉法的纤维素微纤维护砂膏自收缩监测研究
Geetanjali Chandam,Yanchen Oinam,Eunsan Cho et al.
Geetanjali Chandam et al.
This study investigates the applicability of ultrasonic wave interferometry for monitoring the shrinkage of GGBFS composites and the mitigating role of cellulose microfibers (CMFs) through internal curing. Prismatic specimens were prepared ...
Logarithmic scaling law of broadband acoustic transmission in compressed core-shell granular metamaterials [0.03%]
压缩核心-壳层颗粒超材料中宽带声学传输的对数尺度定律
Yanji Lin,Pingfa Feng,Yujiang Guo et al.
Yanji Lin et al.
Conventional static acoustic materials struggle to adapt to complex environments with varying loads. While granular media possess the potential for pressure-sensitive tuning due to their adjustable contact stiffness, their acoustic response...
Enhanced baseline-free damage imaging in composites via broadband adaptive-compensation multipath virtual time reversal method [0.03%]
基于宽带自适应补偿多路径虚拟时反法的复合材料免基线损伤成像增强技术
Xuelei Fu,Hongwei Wang,Yuliang Wu et al.
Xuelei Fu et al.
Baseline-free damage imaging is a promising approach for guided wave-based structural health monitoring of composite structures, but its performance under sparse actuator-receiver sensing configurations is often limited by insufficient path...
Numerical investigation of ultrasonically driven multi-particle transport in microchannels using a strongly coupled PD-IB-CLBM framework [0.03%]
基于PD-IB-CLBM耦合框架的微通道中超声驱动多颗粒输运的数值研究
Ya Zhang,Yu Yang,Juan Tu et al.
Ya Zhang et al.
To investigate the transport behavior of multiple particles in microchannels under ultrasonic actuation, a strongly coupled PD-IB-CLBM framework is developed in this work. In this framework, peridynamics (PD) is employed to describe the mot...
Non-Invasive liquid viscosity characterization in Fluid-Filled pipes using zero group velocity guided wave resonances [0.03%]
基于零群速管道导波共振的液体检漏与粘度无损检测方法研究
Tianchen Sheng,Hao Cong,Zaixuan Zhu et al.
Tianchen Sheng et al.
Non-invasive monitoring of liquid viscosity within sealed pipelines is important for industrial process control, yet conventional techniques require fluid sampling or sensor insertion. This study uses Zero Group Velocity (ZGV) guided-wave r...
Spatial-angular baseband delay multiply and sum beamforming with coherence factor for 3D power Doppler imaging [0.03%]
基于时空相位相干因子的三维功率多普勒成像延迟乘积波束形成算法研究
Zhiqiang Li,Zucheng Zhang,Jianwen Luo
Zhiqiang Li
Three-dimensional power Doppler imaging (3D PDI) provides volumetric visualization of microvascular networks, but 3D PDI using matrix arrays remains limited by the small effective aperture and low element sensitivity of matrix arrays. This ...
A global optimization method for designing resonant shapes in two-dimensional fluid domains with plane-wave superposition [0.03%]
基于平面波叠加的二维流体场共振形体全局优化设计方法研究
Shoki Ieiri,Takeshi Morita
Shoki Ieiri
Acoustic resonance has found applications in ultrasonic cleaning, sonochemistry, and particle manipulation. However, conventional approaches optimize resonant structures by performing finite element analysis while iteratively updating the s...