Phase linear encoding in multi-line transmit imaging: Towards crosstalk artifact removal [0.03%]
相位线性编码在多行发射成像中的应用:消除交叉干扰伪影的方法
Nazli Javadi Eshkalak,Courtney Cassidy,Pei-Ni Jone et al.
Nazli Javadi Eshkalak et al.
Acquiring ultrasound images with high temporal resolution is essential for capturing motion in dynamic environments such as the heart. Conventional high-frame-rate approaches accelerate acquisition but often compromise image quality, reduci...
Baw-induced Streaming, Faraday Waves, and atomization on a paper substrate [0.03%]
声学驱动的流动、法拉第波和纸基气雾装置
Vivek Karma,S Pushpavanam
Vivek Karma
Acoustofluidics offers contactless manipulation, high versatility, and good biocompatibility. Microfluidic paper-based analytical devices (μPAD) have key advantages like multiplexing, rapid response, and portability. The present study is a...
Plane-wave-like laser ultrasonic inspection of multilayer delaminations using beam-expanded excitation and migration-based reconstruction [0.03%]
基于光束发散激励和波束迁徙重建的多层分层缺陷类平面波激光超声检测方法研究
Shuxiao Zhang,Jiagan Wang,Wei Feng et al.
Shuxiao Zhang et al.
Multilayer structures are widely used in energy, aerospace, and microelectronic packaging owing to their high structural efficiency and functional integration. However, their reliability is often compromised by planar interfacial defects su...
Morphology engineering of vertically aligned carbon nanotubes for enhanced photoacoustic emission [0.03%]
垂直排列碳纳米管的形貌工程以增强光声发射性能
Er-Tao Hu,Weiye He,Yongpeng Li et al.
Er-Tao Hu et al.
The vertically aligned carbon nanotube (VACNT) array, characterized by a vertical arrangement of carbon nanotubes at the bottom and a chaotic crown-like structure at the top, is commonly employed in optical ultrasound emitters due to its hi...
Volumetric ultrasound via 3D Null Subtraction Imaging with matrix array [0.03%]
具有矩阵阵列的3D零陷消除成像体积超声波技术
Bingze Dai,Xi Zhang,Wei-Ning Lee
Bingze Dai
This study introduces three-dimensional Null Subtraction Imaging (3D NSI), a nonlinear beamforming framework designed to extend the computationally efficient null-subtraction process to volumetric imaging with matrix arrays. This is accompl...
Analysis of mechanical dynamics in acoustofluidics: assessing the impact of frequency sweeping on PZT performance and acoustic phenomena [0.03%]
声学流体动力学中的机械动力学分析:评估频率扫掠对PZT性能和声学现象的影响
Antonio Maisto,Remco G P Sanders,Amaury de Hemptinne et al.
Antonio Maisto et al.
In this work, we combine acoustic streaming measurements, direct vibration measurements and the theory of wave dispersion to interpret changes in acoustic streaming. The vibration dynamics of the PZT are studied under frequency sweeping act...
Ultrasonic vibration-assisted laser directed energy deposition: influence of vibration frequencies on thermal and mechanical characteristics [0.03%]
超声振动辅助激光直接能量沉积成形:振动频率对热特性和力学特性的影响
Sarower Kabir,Shah Rumman Ansary,Cynthia Nnokwe et al.
Sarower Kabir et al.
The part produced via Laser Directed Energy Deposition (LDED) generates defects such as lack of fusion, porosity, cracking, inhomogeneous microstructure etc. Thermal behavior of the molten pool and solidification procedures plays a vital ro...
Circular orbital manipulation of positive-acoustic-contrast particles employing double-ring perfect acoustic-vortex beams [0.03%]
双环完美声涡束对正对比度粒子的轨道操控
Qi Zhang,Li Gu,Yihao Ni et al.
Qi Zhang et al.
Non-contact acoustic-vortex (AV) tweezers have gained prominence for high-precision manipulation. However, conventional AV beams are limited by their topological charge (TC)-dependent radii. While perfect AV beams address this radius issue,...
Manon Favre,Simon Dagois-Bohy,Sophie Miralles et al.
Manon Favre et al.
The dispersion of nanoparticles in polymer melts is a major challenge in composite processing, especially in highly viscous systems where conventional extrusion provides poor mixing. Concomitantly, ultrasound has proven effective to dispers...
Modeling and simulation of enhanced pipe detection performance via zero group velocity combined harmonics generated by counter-directional guided waves mixing [0.03%]
反向传播导波混频零群速度组合谐波的增强型管道检测数值仿真研究
Xiewen Liu,Wujun Zhu,Yanxun Xiang et al.
Xiewen Liu et al.
Pipes typically suffer from material degradation during service, necessitating reliable nondestructive inspection. Recently, zero group velocity (ZGV) combined harmonic generated by guided waves mixing was recognized as a potential mode for...