Results 201 to 210 of about 65,934 (262)

Multimodal Actuation and Environment Adaptive Strategies of Bio‐Inspired Micro/Nanorobots in Precision Medicine

Advanced Robotics Research, EarlyView.
An introduction for multidrive and environment‐adaptive micro/nanorobotics: design and fabrication strategies, intelligent actuation, and their applications. Various intelligent actuation approaches—magnetic, acoustic, optical, chemical, and biological—can be synergistically designed to enhance flexibility and adaptive behavior for precision medicine ...
Aiqing Ma, Han Gong, Jiacheng Ouyang, Liqi Chen, Tianfang Kang, Yiran He, Guojun Huang, Sidi Zheng, Ting Yin, Hong Pan, Lintao Cai   +10 more
wiley   +1 more source

Dynamics of non-self-similar earthquakes illuminated by a controlled fault asperity. [PDF]

Nat Commun
Okubo K, Yamashita F, Fukuyama E.
europepmc   +1 more source

Fluid-structure interaction and thermal performance: a numerical study on crossflow heat exchangers with aerodynamically optimised splitter elements. [PDF]

Sci Rep
Kaushik S, Singh H, Kumar A, Kishore C, Pati PR, Chamoli S, Giri J, Kanan M.   +7 more
europepmc   +1 more source

Online Friction Measurement and Wear-Life Determination for Textile Needle Hooks Based on Closed-Loop Tension Control and the Capstan Model. [PDF]

Sensors (Basel)
Chen Y, Zeng Y, Xu W, Gan H, Xiao M, Zhu J, Wu Y, Wang P, Mei S, Yu L.   +9 more
europepmc   +1 more source

Preparation and performance of composite agent with anti-seepage and friction reducing for pipe jacking in water-rich sand stratum. [PDF]

PLoS One
Gu H, Wu K, Zhang P, Yuan J, Zhang X, Shi K.   +5 more
europepmc   +1 more source

Friction and Wear Behaviors of PI/MoS₂ Bearing Cage Composite Under Elevated Temperature Conditions. [PDF]

Polymers (Basel)
Guo Q, Liu C, Lv J, Liu S.
europepmc   +1 more source

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Friction in production the coefficient of friction μ the factor of friction m

Proceedings of the 10th International Scientific and Expert Conference, 2022
Is given in the paper mathematical representation of friction. Bowden-Tabor Theory for cold forming and Bowden-Tabor Theory for hot forming Friction is sometimes helpful. For example, high friction on the punch surface helps increase reductions in deep drawing and ironing. In a few instances it has to have at least some small value, as in rolling where
Stoić, Antun, Starčević, Valnea, Opačak, Ivan, Bašić, Aleksandar, Grizelj, Branko, Stoić, Marija   +5 more
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On the Determination of the Coefficient of Friction and the Friction Factor by the Strip-Tension Friction Test

CIRP Annals, 1990
Abstract The strip tension friction test was used to investigate friction conditions in the forming of thin aluminum sheet without lubrication. In this test. which simulates metal flow around the leading face of a punch. the level of friction is judged based on tool-workpiece interaction when a metal strip, bent in the shape of a U.
K.J. Weinmann, S.R. Bhonsle, J. Gerstenberger   +2 more
openaire   +1 more source

Friction factor in nanochannel flows

Microfluidics and Nanofluidics, 2016
Non-equilibrium molecular dynamics simulations are employed in order to access the detailed atomic behavior of fluids moving in nanochannels and to quantify the associated energy dissipation. Nanochannels of various degrees of wall hydrophobicity/hydrophilicity and roughness are studied.
Antonios Liakopoulos, Filippos Sofos, Theodoros E. Karakasidis   +2 more
openaire   +1 more source