Results 171 to 180 of about 10,179 (211)

Ultrasonic-Based Quantification and Process Parameter Optimization of Anisotropy and Heterogeneity in WAAM 2319 Aluminum Alloy. [PDF]

Materials (Basel)
Li C, Liu H, Wang X, He J, Guan X.
europepmc   +1 more source

Photothermal bubble: Dynamics, manipulation, and applications

Droplet, EarlyView.
As a versatile platform for bubble manipulation, photothermal techniques empower diverse operations: planar translation by scanning the laser spot, sustained periodic bouncing from competing thermal and hydrodynamic flows, and even guided 3D trajectories achieved by tailoring the heating configuration.
Man Hu, Feng Wang, Daosheng Deng
wiley   +1 more source

A Novel Nickel-Foam/Tungsten-Powder/Epoxy-Resin Backing Material for Medical Ultrasound Transducers. [PDF]

Sensors (Basel)
Wang H, Li Y, Zhu K, Zheng C, Ma J, Sun E, Qi X, Zhang R.   +7 more
europepmc   +1 more source

Dynamics of cavitation bubbles in a liquid layer

Droplet, EarlyView.
The dynamics of cavitation bubbles within a liquid layer is studied experimentally. Due to the combined effect of the rigid wall and free surface, the bubbles exhibit a significant downward migration. The confinement effect of the rigid wall significantly affects the bubble's collapse morphology, leading to different post‐collapse phenomena of free ...
Jinzhao Liu, Tianyou Wang, Zhizhao Che
wiley   +1 more source

Analysis of Strength and Homogeneity of Different Concrete Specimens Prepared Under a High-Frequency and Low-Power Piezoelectric Excitation System. [PDF]

Materials (Basel)
İbadov N, Çetin G, Güvenç E, Çevikbaş M, Üncü İS, İlhan KF.   +5 more
europepmc   +1 more source

Localized 3D acoustic streaming in microdroplets using high‐frequency micro‐beam IDTs

Droplet, EarlyView.
Miniaturized 160 MHz acoustic microbeam transducers, with a size much smaller than droplets, enable precise localized actuation, generating complex three‐dimensional streaming and tunable particle aggregation. This concept provides high‐resolution, non‐contact fluid manipulation for biosensing, lab‐on‐chip diagnostics, and targeted drug screening ...
D. Sánchez‐Saldaña, M. Fernandino, C.A. Dorao   +2 more
wiley   +1 more source

Simultaneous extraction of photoelastic constants and strain profiles from picosecond ultrasonic echoes via spectral analysis. [PDF]

Photoacoustics
Tomoda M, Matsuda O, Tachizaki T, Wiltshaw R, Ogi H, Wright OB.   +5 more
europepmc   +1 more source

The damage and failure mechanism of prestatically loaded rock during medium‐strain rate cyclic impact loading

Deep Underground Science and Engineering, EarlyView.
Based on experimental results and theoretical analysis, an established rock damage accumulation model that comprehensively considers the preapplied static load, impact peak value, impact frequency, and impact times. Abstract To study the rock damage mechanism under high static loading and superimposed medium strain rate cyclic impact loading, a series ...
Wei Wang, Hanpeng Wang, Zicheng Wang, Xinyuan Xie, Yunhao Wu, Jinhou Zhang, Dekang Sun   +6 more
wiley   +1 more source

Cathode Design and Flow Field Optimization in Electrochemical Machining of Square Holes. [PDF]

Micromachines (Basel)
Liu X, Guo Z, Du F, Su G, Chen H, Zhang C.   +5 more
europepmc   +1 more source

Numerical and experimental study on P‐wave propagation across a rock joint with different orientations

Deep Underground Science and Engineering, EarlyView.
Joint orientation significantly affects P‐wave velocity, with the highest velocity at zero‐degree angles, decreasing to 30° as the angle increases. The velocity increases slightly from 30 to 45 degrees but sharply decreases from 45 to 90 degrees. Abstract Determination of the required parameters in different science contexts using the ultrasonic wave ...
Yaghoob Zarei, Mojtaba D. fallahi, Ali Uromeihy, Mohammad R. Nikoodel, Mohammad Fathollahy   +4 more
wiley   +1 more source