Results 181 to 190 of about 23,815 (306)

Optimization of Magnetic Milli‐Spinner for Robotic Endovascular Intervention

Advanced Robotics Research, EarlyView.
This work presents the design optimization of a multifunctional magnetic milli‐spinner for high‐speed propulsion and efficient clot debulking. The optimized design achieves an ultrafast swimming velocity of 55 cm/s (≈175 body lengths/s) in saline water, enabling stable upstream swimming against strong physiological flows and establishing magnetic milli‐
Lu Lu, Luca Higgins, Jack Bernardo, Ruike Renee Zhao   +3 more
wiley   +1 more source

Numerical identification of fast structural growth in stratified turbulence [PDF]

We investigate a type of instability observed in the presence of two counter rotating vortex columns in a highly stratfied fluid, Fr < 1. This instability causes the vortex columns to be bent and stretched out in the horizontal direction eventually ...
Parmar, Amar S.
core  

Bio-convective and chemically reactive hybrid nanofluid flow upon a thin stirring needle with viscous dissipation. [PDF]

Sci Rep, 2021
Khan A, Saeed A, Tassaddiq A, Gul T, Kumam P, Ali I, Kumam W.   +6 more
europepmc   +1 more source

In Situ X‐Ray Tomography and Acoustic Emission Monitoring of Damage Evolution in C/C‐SiC Composites Fabricated by Liquid Silicon Infiltration

Advanced Science, EarlyView.
This study investigates how the internal structure of fiber‐reinforced ceramic composites affects their resistance to damage. By combining 3D X‐ray imaging with acoustic emission monitoring during mechanical testing, it reveals how silicon distribution influences crack formation.
Yang Chen, Renato S. M. Almeida, Stefan Flauder, Guillaume Couégnat, Kamen Tushtev, Jürgen Horvath, Peter Wriggers, Kurosch Rezwan   +7 more
wiley   +1 more source

Chemically reactive nanofluid flow past a thin moving needle with viscous dissipation, magnetic effects and hall current. [PDF]

PLoS One, 2021
Khan A, Kumam W, Khan I, Saeed A, Gul T, Kumam P, Ali I.   +6 more
europepmc   +1 more source

Physical Origin of Temperature Induced Activation Energy Switching in Electrically Conductive Cement

Advanced Science, EarlyView.
The temperature‐induced Arrhenius activation energy switching phenomenon of electrical conduction in electrically conductive cement originates from structural degradation within the biphasic ionic‐electronic conduction architecture and shows percolation‐governed characteristics: pore network opening dominates the low‐percolation regime with downward ...
Jiacheng Zhang, Xinyuan Ke, Andrew Heath, Richard J. Ball, Jiawei Xie, Jinchen Fan, Guisheng Li, Kevin Paine   +7 more
wiley   +1 more source

Thermal radiation and viscous dissipation impact on 2D MHD Williamson ternary hybrid nanofluid flow over a stretching surface. [PDF]

Discov Nano
Rehman A, Inc M, Saad AA, Abas SS, Sudarmozhi K, Khashi'ie NS.   +5 more
europepmc   +1 more source

Harnessing Phase Separation for the Development of High‐Performance Hydrogels

Advanced Science, EarlyView.
ABSTRACT Hydrogels are indispensable for the development of next‐generation bioelectronics, soft robotics, and biomedical devices, where their mechanical properties determine performance and reliability. Among strategies to enhance hydrogel mechanics, phase separation enables controlled heterogeneity resulting in gel networks that are reinforced by ...
Yue Shao, Yiming Ma, Baihao Shao, Molly M. Stevens   +3 more
wiley   +1 more source

Thermal efficiency in hybrid (Al₂O₃-CuO/H₂O) and tri-hybrid (Al₂O₃-CuO-Cu/H₂O) nanofluids between converging/diverging channel with viscous dissipation function: Numerical analysis. [PDF]

Front Chem, 2022
Adnan, Guedri K, Raizah Z, Tag-Eldin E, Ashraf W, Khan U, M Galal A.   +6 more
europepmc   +1 more source

Synchronization‐Dissipation in the Cardiorespiratory System

Advanced Science, EarlyView.
By modeling central nervous coupling and viscoelastic interactions in the cardiorespiratory system we show that synchronization produces a 10% gain in cardiac efficiency in humans. It is surmised that respiratory sinus arrhythmia improves cardiac pumping efficiency by reducing dynamic stress and power dissipation in the pulmonary vasculature.
Joshua R. Border, Alain Nogaret, Andrew Lefevre, Vishal Jain   +3 more
wiley   +1 more source